src
stringlengths
95
64.6k
complexity
stringclasses
7 values
problem
stringclasses
256 values
from
stringclasses
1 value
public class D { public Object solve() { long N = sc.nextLong(), K = sc.nextLong() - 1; if (N >= 32) return print("YES", N-1); long A = 1L << (N-1), C = 4, T = (A*A - 1) / 3; while (A > 1 && K > T) { A /= 2; K -= (C-1); C *= 2; T += (C-3) * (A*A - 1) / 3; } if (K >= 0 && K <= T) retur...
logn
1080_D. Olya and magical square
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; import static java.util.Arrays.fill; import static java.lang.Math.*; import static java.util.Arrays.sort; import static java.util.Collections.sort; public class C35 { public static int mod = 1000000007; public static long INF = (1L << 60); static int n...
cubic
35_C. Fire Again
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public class...
nlogn
528_B. Clique Problem
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; import java.text.*; public class Main { static PrintWriter out; static Reader in; public static void main(String[] args) throws IOException { input_output(); Main solver = new Main(); solver.solve(); out.close(); ...
cubic
1497E2
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class A { public static void main(String[] args) { long fib[] = { 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, 17711, 28657, 46368, 75025, 121393, 196418, 317811, 514229, 832040, 1346269, 2178309,...
constant
199_A. Hexadecimal's theorem
CODEFORCES
/** * Created by IntelliJ IDEA. * User: Taras_Brzezinsky * Date: 8/14/11 * Time: 9:53 PM * To change this template use File | Settings | File Templates. */ import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.FileReader; import java.util.StringTokenizer; imp...
np
16_E. Fish
CODEFORCES
import java.awt.Point; import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; public class Contest35_3 { public static void main(String[] args) throws IOException { BufferedReader in = new Buffe...
cubic
35_C. Fire Again
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class Solution { private static int[] a; public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(), m = sc.nextInt(); a = new int[101]; for (int i = 0; i < m; i++) { ...
nlogn
1011_B. Planning The Expedition
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.Comparator; import java.util.StringTokenizer; import java.util.TreeSet; public class TheyAreEverywhere { static StringTokenizer st; static BufferedReader bf = new BufferedReade...
linear
701_C. They Are Everywhere
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.HashMap; import java.util.StringTokenizer; public class D { public static void main(String[] args){ FastScanner scan = new FastScanner(); PrintWri...
nlogn
903_D. Almost Difference
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.ArrayList; public class Task235A { public static void main(String... args) throws NumberFormatException, IOException { ...
constant
235_A. LCM Challenge
CODEFORCES
import java.util.*; import java.io.*; import static java.util.Arrays.*; import static java.lang.Math.*; import java.math.*; public class Main { void run() throws IOException { int n = in.nextInt(); char[] c = in.next().toCharArray(); int[][] t = new int[n][n]; int[][] h = n...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StreamTokenizer; public class A { private static StreamTokenizer in; private static PrintWriter out; private static int nextInt() throws Exception{ in.nextToken(); return (int)in...
constant
84_A. Toy Army
CODEFORCES
import java.util.Scanner; public class Flatwile { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int t = sc.nextInt(); int[] c = new int[n]; int[] a = new int[n]; for (int i=0; i<n; i++){ c[i] = sc.n...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.InputStreamReader; import java.io.IOException; import java.util.Arrays; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Writer; import java.util.StringTokenizer; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at...
nlogn
166_A. Rank List
CODEFORCES
import java.util.Scanner; public class SimpleTask { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int m = scan.nextInt(); boolean[][] graph = new boolean[n][n]; for (int i = 0; i < m; i++) { int u = scan.nextInt() - 1; int v = scan.nextInt() ...
np
11_D. A Simple Task
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; public class CFTest6 { static BufferedReader br; public static void main(String[] args) { br = new BufferedReader(new InputStreamReader(System.in)); try { int[] a1 = readIntArr(); int[]...
nlogn
257_A. Sockets
CODEFORCES
import java.io.BufferedWriter; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.Writer; import java.math.BigInteger; import java.util.ArrayLi...
nlogn
220_A. Little Elephant and Problem
CODEFORCES
import java.util.ArrayList; import java.util.Collections; import java.util.Scanner; public class A { static class Entity implements Comparable { public Entity(int x, int a) { this.x = x; this.a = a; } public int x, a; public int compareTo(Object t) { ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; public class C { static int N; static char[...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author Pradyumn */ public class M...
logn
1019_B. The hat
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main (String[] args) throws java.lang.Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); long n = Long.parseLong(st.nextT...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.*; import java.io.*; public class E { public static void main(String[] args) throws IOException {new E();} FastScanner in = new FastScanner(System.in); PrintWriter out = new PrintWriter(System.out); int n, m, oo = 1 << 28; int[] dp, cost; int[][] to; char[] w; E() throws IOException { ...
np
1238_E. Keyboard Purchase
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Main{ public static boolean check(BigInteger a, BigInteger b){ long n = 0; String aStr = a.toString(); for (int i=0; i < aStr.length() ;i++ ) { n += Long.valueOf(aStr.charAt(i)-'0'); } return a.subtract(BigInteger.valu...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.*; public class q1 { public static void main(String[] args) { Scanner s=new Scanner(System.in); int n=s.nextInt(); int[] arr1=new int[9]; int[] arr2=new int[9]; String ss; s.nextLine(); for(int i=0;i<n;i++) { ss=s.nextLine(); if(ss.equals("M")) arr1[0]++; else if(ss.equa...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.BufferedReader; import java.io.Closeable; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.math.BigInteger; import java.util.Arrays; import java.util.HashMap; import java.util.LinkedList; import java.util.Scanner; import java.util.StringTokenizer; pub...
quadratic
911_D. Inversion Counting
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Main { public static InputStream IN; public static OutputStream OUT; public static PrintWriter out; public static BufferedReader in; public static StringTokenizer st = null; public static int ni() throws Exception { ...
cubic
35_C. Fire Again
CODEFORCES
import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStream; import java.io.OutputStreamWriter; import java.util.Arrays; import java.util.Scanner; public class CF_2020_GlobalRound_E { static boolean verb=true; static void log(Object X){if (verb) System.err.println(X);} static void log(Obj...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Scanner; public class CodeForces { public static void main(String[] args) { Scanner input = new Scanner(new BufferedReader(new InputStreamReader(System.in))); System.out.println(input.nextInt() / 2 + 1); } }
constant
964_A. Splits
CODEFORCES
import java.util.*; public class ehab4 { public static void main( String[] args ) { Scanner in = new Scanner( System.in ); int a = 0, b = 0; System.out.println( "? 0 0 " ); System.out.flush(); int c = in.nextInt(); for ( int i = 29; i >= 0; i-- ) { System.out.println( "? " + ( a + ( 1 << i ) ) + ...
logn
1088_D. Ehab and another another xor problem
CODEFORCES
//package codeforces; import java.util.Scanner; public class ex5 { public static void main(String[] args) { Scanner scan = new Scanner(System.in); String S [] = new String[3]; int m=0,s=0,p=0; int temp=0; for (int i = 0; i < S.length; i++) { S[i]=scan.next(); if(S[i].indexOf('m')!=-1) m++; if(S[i].indexO...
constant
1191_B. Tokitsukaze and Mahjong
CODEFORCES
import java.util.*; import java.io.*; public class SolutionC{ public static void main(String[] args) throws Exception{ Scanner sc=new Scanner(System.in); PrintWriter out=new PrintWriter(System.out); int t=sc.nextInt(); int[] arr=new int[10000002]; for(int i=0;i<arr...
cubic
1497E2
CODEFORCES
import java.lang.*; import java.io.*; import java.util.*; import java.math.*; public class Solution implements Runnable{ private static BufferedReader br = null; private static PrintWriter out = null; private static StringTokenizer stk = null; public static void main(String[] args) { br =...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.StringTokenizer; public class Solver { StringTokeniz...
nlogn
169_A. Chores
CODEFORCES
//package arbuz; import java.util.Scanner; public class Arbuz { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); if (n % 4 == 0 || n % 7 == 0 || n % 47 == 0 || n % 74 == 0 || n % 444 == 0 || n % 447 == 0 || n % 474 == 0 || n % 477 == 0) {...
constant
122_A. Lucky Division
CODEFORCES
//2021 global14 // jzzhao import java.util.*; import java.io.*; public class Solution { public static void main(String[] args) { FastScanner sc = new FastScanner(); PrintWriter pw = new PrintWriter(System.out); int tc = sc.ni(); for (int rep = 0; rep < tc; rep++) { ...
linear
1515_B. Phoenix and Puzzle
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; /** * Date 22.11.2011 * Time 17:49:45 * Author Woodey * $ */ public class A15 { final double eps = 10e-9; class Pair implements Comparable<Pair>{ int x; ...
nlogn
15_A. Cottage Village
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.HashMap; import java.util.HashSet; import java.util.Set; import java.util.StringTokenizer; public class C_138B { private static BufferedReader i...
linear
224_B. Array
CODEFORCES
import java.util.*; public class Main { public static void main(String[]args) { Scanner input=new Scanner (System.in); while(input.hasNext()) { long n=input.nextLong(); if(n==1||n==2) System.out.println(n); else if(n%2==1) ...
constant
235_A. LCM Challenge
CODEFORCES
import java.util.*; public class A { int n; int[] arr; void run(){ Scanner s = new Scanner(System.in); n = s.nextInt(); arr = new int[n]; int even, odd; even = 0; odd = 0; for (int i = 0; i < n; i++) { arr[i] = s.nextInt(); ...
linear
25_A. IQ test
CODEFORCES
import java.io.*; import java.util.*; public class Main { static class FastScanner { private BufferedReader bufferedReader; private StringTokenizer stringTokenizer; public FastScanner(InputStream inputStream) { bufferedReader = new BufferedReader(new InputStreamReader(inputStre...
logn
1195_B. Sport Mafia
CODEFORCES
/** * Created by IntelliJ IDEA. * User: piyushd * Date: 3/26/11 * Time: 10:53 PM * To change this template use File | Settings | File Templates. */ public class TaskB { int[] levels; int[] loyalty; int n, k, A; double ans = Double.NEGATIVE_INFINITY; void rec(int ix, int sweets, int[] loya...
np
105_B. Dark Assembly
CODEFORCES
/* * Created on 17.05.2019 */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; /** * @author Wolfgang Weck */ public class C01Easy { public static void main(String[] args) { try (BufferedReader r = new BufferedReader(new InputStreamReader(System.in))) { final Strin...
linear
958_C1. Encryption (easy)
CODEFORCES
import java.util.Scanner; public class Iq { static void metod() throws Exception { Scanner in = new Scanner(System.in); int n = in.nextInt(); int[] m = new int[n]; for (int i = 0; i < n; i++) m[i] = in.nextInt(); byte k = 0; if (m[0] % 2 == 0) { ...
linear
25_A. IQ test
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @autho...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.io.FilterInputStream; import java.io.BufferedInputStream; import java.util.Random; import java.io.InputStream; /** * @author khokharnikunj8 */ public class Main { ...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.util.Scanner; public class Main { /** * @param args */ public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); while (n-- > 0) { int a = in.nextInt(); int b = in.nextInt(); int k = 0; while (a != 0 && b != 0) { if (a > b) { int ...
constant
267_A. Subtractions
CODEFORCES
import java.io.*; import java.util.*; import java.math.*; import java.awt.geom.*; import static java.lang.Math.*; public class Main implements Runnable { int n; boolean inBound (int x, int y) { return x >= 1 && y >= 1 && x <= n && y <= n; } void solve() throws Exception { n = sc.nextInt(); int y = sc....
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.io.BufferedReader; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Locale; import java.util.StringTokenizer; public class Main implements Runnable { ...
np
16_E. Fish
CODEFORCES
import java.util.*; import java.io.*; public class Songs { static class Reader { final private int BUFFER_SIZE = 1 << 16; private DataInputStream din; private byte[] buffer; private int bufferPointer, bytesRead; public Reader() { din = new D...
np
1185_G1. Playlist for Polycarp (easy version)
CODEFORCES
import java.io.*; import java.util.*; public class CF1141F { static class V { int l, r, a; V(int l, int r, int a) { this.l = l; this.r = r; this.a = a; } } public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); PrintWriter p...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class B { BufferedReader reader; StringTokenizer tokenizer; PrintWriter out; public void solve() throws IOException { int N = nextInt(); int...
linear
468_B. Two Sets
CODEFORCES
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) { FastScanner sc=new FastScanner(); PrintWriter pw=new PrintWriter(System.out); double eps=1e-12; while(sc.hasNext()){ int n=sc.nextInt(); int r=sc.nextInt(); ...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.*; import static java.lang.Math.*; import java.lang.reflect.Array; import java.util.*; import java.lang.*; public class Main { final static boolean debug = false; final static String fileName = ""; final static boolean useFiles = false; public static void main(String[] args) throws Fil...
constant
630_A. Again Twenty Five!
CODEFORCES
import java.awt.geom.Point2D; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class C { public static void main(String[] args) throws IOException{ BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); String[] line = in.readLine().split(" ");...
quadratic
908_C. New Year and Curling
CODEFORCES
import java.io.*; import java.util.*; public class B { BufferedReader br; PrintWriter out; StringTokenizer st; boolean eof; long f(int x, int y, int sz) { if (x > y) { int tmp = x; x = y; y = tmp; } if (sz <= x) return (long) sz * (sz + 1) / 2; if (sz >= x + y - 1) return (long) x * y; ...
logn
256_B. Mr. Bender and Square
CODEFORCES
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long n = sc.nextLong(); long k = sc.nextLong(); System.out.println(solve(n, k)); sc.close(); } static long solve(long n, long k) { return Math.max(0, Math.min(n, k - 1) - ((k + ...
constant
1023_B. Pair of Toys
CODEFORCES
import java.util.Scanner; /** * @author Alexander Grigoryev * Created on 01.08.11 */ public class Main { static Scanner in = new Scanner(System.in); public static void main(String[] args) { String s = in.nextLine(); int k, ans = 0; for(int i = 0; i < s.length(); i++...
cubic
23_A. You're Given a String...
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Main { public static void main(String[] args)throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb = new StringBuilder(); //idea 1 : K/2번까지만 ...
cubic
1517_D. Explorer Space
CODEFORCES
import java.util.*; public class A { static Scanner sc = new Scanner(System.in); public static void main(String[] args) { String s = sc.next(); for (int l = s.length(); l > 0; --l) { HashSet<String> set = new HashSet<String>(); for (int i = 0; i < s.length() - l + 1; +...
cubic
23_A. You're Given a String...
CODEFORCES
import java.util.*; import java.io.*; public class CFEdu23C { static long sum(long n) { long ans=0; while(n>0) { ans+=(n%10); n/=10; } return ans; } static long BS(long l,long h,long s) { if(l<=h) { long m=(l+h)/2l; if(m-sum(m)>=s && (m==1 || (m-1)-sum(m-1)<s)) return m; else if(...
logn
817_C. Really Big Numbers
CODEFORCES
import java.util.*; import java.io.*; public class EdF { static long[] mods = {1000000007, 998244353, 1000000009}; static long mod = mods[0]; public static MyScanner sc; public static PrintWriter out; public static void main(String[] havish) throws Exception{ // TODO Auto-generated method stub sc = new MyS...
cubic
1523_C. Compression and Expansion
CODEFORCES
import java.io.*; import java.util.*; public class C { void run() throws IOException { int n = ni(), m = ni(), k = ni(), q = n * m, h = 0, t = 0, inf = 123456; int[] x = new int[q], y = new int[q]; int[][] d = new int[n][m]; for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) d[i][j] = inf; for ...
cubic
35_C. Fire Again
CODEFORCES
/* * Hello! You are trying to hack my solution, are you? =) * Don't be afraid of the size, it's just a dump of useful methods like gcd, or n-th Fib number. * And I'm just too lazy to create a new .java for every task. * And if you were successful to hack my solution, please, send me this test as a message or to Abr...
nlogn
15_A. Cottage Village
CODEFORCES
import java.util.Scanner; public class GenerateLogin { public static void main(String[] args) { Scanner scan = new Scanner(System.in); String a = scan.next(); String b = scan.next(); char last = b.charAt(0); String ans = ""+a.charAt(0); for(int i = 1;i<a.length();i++){ if(a.charAt(i)>=last)break; a...
linear
909_A. Generate Login
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.*; public class KingEscape { public static void main(String[] args) { Reader read = new Reader(); int n = read.nextInt(); int a1 = read.nextInt(); ...
constant
1033_A. King Escape
CODEFORCES
import java.util.Scanner; public class Main{ static final double eps = 1e-10; public static void main(String []args){ Scanner cin = new Scanner(System.in); double a,v; double l,d,w; double time; a = cin.nextDouble(); v = cin.nextDouble(); l = cin.nextDouble(); d = cin.nextDouble(); w = cin.ne...
constant
5_D. Follow Traffic Rules
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.BufferedWriter; import java.util.HashMap; import java.util.InputMismatchException; import java.io.IOException; import java.util.ArrayList; import java.util.List; i...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
//Author: Patel Rag //Java version "1.8.0_211" import java.util.*; import java.io.*; public class Main { static class FastReader { BufferedReader br; StringTokenizer st; public FastReader(){ br = new BufferedReader(new InputStreamReader(System.in)); } String next() { while (st == null |...
constant
1075_A. The King's Race
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class A { public static void main(String[] args) throws IOException { try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) { String input; while ((input = reader.readLine()) != n...
constant
472_A. Design Tutorial: Learn from Math
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.HashMap; import java.util.LinkedList; import java.util.StringTokenizer; import javafx.util.Pair; public class Solve6 { public static void main(String[] args) throws IOException...
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.*; import java.math.*; import java.security.*; import java.text.*; import java.util.*; import java.util.concurrent.*; import java.util.function.*; import java.util.regex.*; import java.util.stream.*; import static java.util.stream.Collectors.joining; import static java.util.stream.Collectors.toList; pu...
cubic
1515_E. Phoenix and Computers
CODEFORCES
import java.util.*; import java.io.*; import static java.lang.Math.*; public class Round1TaskB implements Runnable { static PrintWriter pw = null; static BufferedReader br = null; StringTokenizer st = null; public static void main(String[] args) throws IOException { pw = new PrintWriter(new Ou...
linear
1_B. Spreadsheets
CODEFORCES
// LM10: The next Ballon d'or import java.util.*; import java.io.*; import java.math.*; import javafx.util.Pair; public class Main { static class FastReader { private InputStream mIs;private byte[] buf = new byte[1024];private int curChar,numChars;public FastReader() { this(System.in); }public FastRead...
linear
1038_D. Slime
CODEFORCES
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; import java.util.TreeMap; import java.util.TreeSet; public class Main { static void insert(TreeMa...
nlogn
528_A. Glass Carving
CODEFORCES
import java.io.*; import java.math.*; import java.util.*; public class Main { private static final int MAX = 5000 + 10,mod = 1000000007; private static char [] S; private static int n; private static Integer [] [] dp = new Integer[MAX][MAX]; private static int solve(int pos,int open){ if...
quadratic
909_C. Python Indentation
CODEFORCES
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.StringTokenizer; public class A { static StringTokenizer st; static BufferedReader br; static PrintWriter pw; ...
linear
1004_A. Sonya and Hotels
CODEFORCES
import java.util.StringTokenizer; import java.io.BufferedReader; import java.io.BufferedOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.OutputStream; import java.util.HashSet; public class C { public static void main(Str...
linear
701_C. They Are Everywhere
CODEFORCES
import java.util.*; import java.io.*; public class solve { Scanner in; PrintWriter out; public void solve() throws IOException { int n = in.nextInt(); long k = in.nextLong(); int[] a = new int[n]; Set<Long> b = new TreeSet<Long>(); for (int i = 0; i < n; i++) { a[i] = in.nextInt(); } Arrays.sort(a...
nlogn
274_A. k-Multiple Free Set
CODEFORCES
import java.util.*; import java.io.*; public class e{ int n; double f[]; double a[][]; public void run(){ Locale.setDefault(Locale.US); Scanner in = new Scanner(System.in); n = in.nextInt(); a = new double[n][n]; for(int i=0;i<n;i++) for(int j=0;j<n;j++) a[i][j] = in.nextDouble(); f = ...
np
16_E. Fish
CODEFORCES
import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.util.Scanner; public class C2 { public static void main(String[] args) throws IOException{ Scanner sc = new Scanner(new File("input.txt")); PrintWriter pw = new PrintWriter(new File("output.txt")); in...
cubic
35_C. Fire Again
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.HashMap; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import java.util.StringTokenizer; import java.util.Map; import java....
quadratic
1141_F2. Same Sum Blocks (Hard)
CODEFORCES
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.Arrays; import java.io.IOException; import java.io.UncheckedIOException; import java.io.Closeable; import java.io.Writer; import java.io.OutputStreamWriter; import java.io.InputStream; /**...
np
1102_F. Elongated Matrix
CODEFORCES
import java.io.*; import java.util.*; public class Problem_A { public static void main(String[] args) { MyScanner scan = new MyScanner(); int n = scan.nextInt(); int[] elements = new int[n]; for (int i = 0; i < n; i++) elements[i] = scan.nextInt(); int x = 0; Arrays.sort(elements); while(n > ...
quadratic
1209_A. Paint the Numbers
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.Reader; import java.io.IOException; import java.util.StringTokenizer; /* * @author Tnascimento */ public class MaeDosDragoes { // public static StringTokenizer tokenizer; // public static BufferedReader rea...
np
839_E. Mother of Dragons
CODEFORCES
import java.io.*; import java.util.*; public class Solution { private static StringTokenizer st; private static int n; private static int k; private static boolean[][] graph; private static int[] dp; private static int maxCliqueSize; public static void main(String[] args) throws Exception { BufferedReader ...
np
839_E. Mother of Dragons
CODEFORCES
import java.util.*; import java.io.*; import java.math.*; public class Main { static class Reader { private InputStream mIs;private byte[] buf = new byte[1024];private int curChar,numChars;public Reader() { this(System.in); }public Reader(InputStream is) { mIs = is;} public int read() {if (nu...
logn
1019_B. The hat
CODEFORCES
import java.util.*; import java.io.*; import java.text.DecimalFormat; public class Main{ final long mod = (int)1e9+7, IINF = (long)1e19; final int MAX = (int)1e6+1, MX = (int)1e7+1, INF = (int)1e9; DecimalFormat df = new DecimalFormat("0.0000000000000"); FastReader in; PrintWriter out; static ...
logn
992_C. Nastya and a Wardrobe
CODEFORCES
/** * Created by IntelliJ IDEA. * User: Taras_Brzezinsky * Date: 9/16/11 * Time: 1:27 PM * To change this template use File | Settings | File Templates. */ import java.io.*; import java.lang.reflect.Array; import java.util.ArrayDeque; import java.util.HashSet; import java.util.Queue; import java.util.StringTok...
cubic
35_C. Fire Again
CODEFORCES
import java.io.*; import java.util.*; public class A { FastScanner in; PrintWriter out; void solve() { int tc = in.nextInt(); for (int t = 0; t < tc; t++) { int n = in.nextInt(); int m = in.nextInt(); O[] a = new O[n * m]; int[][] cols = new ...
np
1209_E2. Rotate Columns (hard version)
CODEFORCES
import java.util.*; public class Main{ public static void main(String[]args){ for(Scanner cin=new Scanner(System.in);cin.hasNextLong();System.out.println(Math.max(0,(Long.highestOneBit(cin.nextLong()^cin.nextLong())<<1)-1))); } }
logn
276_D. Little Girl and Maximum XOR
CODEFORCES
import java.util.*; import java.io.*; public class Solution{ public static long page(long p,long k){ return (p-1)/k; } public static void main(String[] args) throws Exception { Scanner sc = new Scanner(System.in); long n = sc.nextLong(); i...
linear
1191_C. Tokitsukaze and Discard Items
CODEFORCES
import java.util.*; public class A { static int [] reverse = new int [257]; public static void main (String [] arg) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int [] A =new int [n]; for (int i = 0; i<A.length; ++i) A[i] = sc.nextInt(); Arrays.sort(A); if (n == 1) { System.out.println(...
nlogn
135_A. Replacement
CODEFORCES
import java.util.Arrays; import java.util.Scanner; public class A { void run(){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] a = new int[n]; boolean dif = false; for(int i=0;i<n;i++)a[i]=sc.nextInt(); Arrays.sort(a); if(n==1){ ...
nlogn
135_A. Replacement
CODEFORCES
import java.io.*; import java.util.*; public class C { String line; StringTokenizer inputParser; BufferedReader is; FileInputStream fstream; DataInputStream in; void openInput(String file) { if(file==null)is = new BufferedReader(new InputStreamReader(System.in));//stdin else { try{ fstrea...
linear
46_C. Hamsters and Tigers
CODEFORCES
import java.util.*; import static java.lang.Math.*; import static java.util.Arrays.*; import static java.lang.Character.*; import static java.lang.Double.*; public class A { Scanner scan = new Scanner(System.in); void solve() { int n = scan.nextInt(); String[]A = new String[n]; String[]B = new String[n]...
linear
1000_A. Codehorses T-shirts
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; /** * Created with IntelliJ IDEA. * User: Alexey * Date: 16.09.12 * Time: 19:29 * To change this template use File | Settings | File Templates. */ public clas...
linear
224_B. Array
CODEFORCES
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; public class Main { /** * @param args * @throws IOException */ public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System...
nlogn
169_A. Chores
CODEFORCES
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Comparator; import java.util.LinkedList; import java.util.StringTokenizer; import java.util.TreeMap; import java.util.TreeSet; import java.util.Vector; public class Solution { class...
nlogn
166_A. Rank List
CODEFORCES
import java.io.PrintStream; import java.util.Scanner; public class Cfbra { public static void main(String[] args) { Scanner in = new Scanner(System.in); PrintStream out = System.out; out.println(in.nextInt() / 2 * 3); } }
constant
84_A. Toy Army
CODEFORCES