message stringlengths 2 57.2k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 61 108k | cluster float64 22 22 | __index_level_0__ int64 122 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if <image> and <image>, where k is some integer nu... | instruction | 0 | 105,634 | 22 | 211,268 |
Tags: math
Correct Solution:
```
a, b = (int(x) for x in input().split())
ans = b*(b-1)*a//2 + b*(b-1)*b*(1 + a)*a//4
print(ans % 1000000007)
``` | output | 1 | 105,634 | 22 | 211,269 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if <image> and <image>, where k is some integer nu... | instruction | 0 | 105,635 | 22 | 211,270 |
Tags: math
Correct Solution:
```
#input
a,b=map(int,input().split())
#variables
nicesum=(b*(b-1)//2)*(a*(a+1)//2)*b+(b*(b-1)//2)*a
#main
print(int(nicesum%1000000007))
``` | output | 1 | 105,635 | 22 | 211,271 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if <image> and <image>, where k is some integer nu... | instruction | 0 | 105,636 | 22 | 211,272 |
Tags: math
Correct Solution:
```
a, b = map(int, input().split())
print((b * (a * (a + 1) // 2) * (b * (b - 1) // 2 ) + a * b * (b - 1) // 2) % 1000000007)
``` | output | 1 | 105,636 | 22 | 211,273 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if <image> and <image>, where k is some integer nu... | instruction | 0 | 105,637 | 22 | 211,274 |
Tags: math
Correct Solution:
```
a,b = map(int, input().split())
sum = 0
mod = 1000000007
def c(i):
mi = i * b + i
ma = i * b * a + i
return ((mi+ma) * a)//2
sum = (((c(1) + c(b-1))*(b-1))//2)%mod
print(sum)
``` | output | 1 | 105,637 | 22 | 211,275 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if <image> and <image>, where k is some integer nu... | instruction | 0 | 105,638 | 22 | 211,276 |
Tags: math
Correct Solution:
```
a = input()
a = a.split()
a,b = int(a[0]),int(a[1])
k2 = b*(b-1)*a // 2
k = (b-1)*b//2 * b* (1+a)*a // 2
res = (k + k2) % 1000000007
print(res)
``` | output | 1 | 105,638 | 22 | 211,277 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if <image> and <image>, where k is some integer nu... | instruction | 0 | 105,639 | 22 | 211,278 |
Tags: math
Correct Solution:
```
a, b = map(int, input().split())
r1 = (b - 1) * b // 2
r2 = (a * b + 1 + b + 1) * a // 2
print((r1 * r2) % 1000000007)
``` | output | 1 | 105,639 | 22 | 211,279 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if ... | instruction | 0 | 105,640 | 22 | 211,280 |
Yes | output | 1 | 105,640 | 22 | 211,281 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if ... | instruction | 0 | 105,641 | 22 | 211,282 |
Yes | output | 1 | 105,641 | 22 | 211,283 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if ... | instruction | 0 | 105,642 | 22 | 211,284 |
Yes | output | 1 | 105,642 | 22 | 211,285 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if ... | instruction | 0 | 105,643 | 22 | 211,286 |
Yes | output | 1 | 105,643 | 22 | 211,287 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if ... | instruction | 0 | 105,644 | 22 | 211,288 |
No | output | 1 | 105,644 | 22 | 211,289 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if ... | instruction | 0 | 105,645 | 22 | 211,290 |
No | output | 1 | 105,645 | 22 | 211,291 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if ... | instruction | 0 | 105,646 | 22 | 211,292 |
No | output | 1 | 105,646 | 22 | 211,293 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon loves summing up something for no reason. One day he obtains two integers a and b occasionally. He wants to calculate the sum of all nice integers. Positive integer x is called nice if ... | instruction | 0 | 105,647 | 22 | 211,294 |
No | output | 1 | 105,647 | 22 | 211,295 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya are playing a simple game. Vasya thought of number x between 1 and n, and Petya tries to guess the number.
Petya can ask questions like: "Is the unknown number divisible by number y?".
The game is played by the following ru... | instruction | 0 | 105,689 | 22 | 211,378 |
Tags: math, number theory
Correct Solution:
```
def SieveOfEratosthenes(n):
primes = []
prime = [True for i in range(n+1)]
p = 2
while (p * p <= n):
if (prime[p] == True):
for i in range(p * p, n+1, p):
prime[i] = False
p += 1
for p in range(2, n+1):
... | output | 1 | 105,689 | 22 | 211,379 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya are playing a simple game. Vasya thought of number x between 1 and n, and Petya tries to guess the number.
Petya can ask questions like: "Is the unknown number divisible by number y?".
The game is played by the following ru... | instruction | 0 | 105,690 | 22 | 211,380 |
Tags: math, number theory
Correct Solution:
```
n = int(input())
primes = []
is_prime = (n + 1) * [ True ]
is_prime[0] = is_prime[1] = False
pos = 0
while True:
while pos <= n and not is_prime[pos]:
pos += 1
if pos > n:
break
for i in range(2 * pos, n + 1, pos):
is_prime[i] = False
primes.append(po... | output | 1 | 105,690 | 22 | 211,381 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya are playing a simple game. Vasya thought of number x between 1 and n, and Petya tries to guess the number.
Petya can ask questions like: "Is the unknown number divisible by number y?".
The game is played by the following ru... | instruction | 0 | 105,692 | 22 | 211,384 |
Tags: math, number theory
Correct Solution:
```
def gen_prime():
num = [0 for i in range(10**3+1)]
num[2] = 1
num[3] = 1
for i in range(4, 10**3+1):
isprime = True
for j in range(2, int(i**0.5)+1):
if num[j]:
if not i%j:
isprime = False
break
if isprime:
num[i] = 1
prime = []
for i in ... | output | 1 | 105,692 | 22 | 211,385 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya are playing a simple game. Vasya thought of number x between 1 and n, and Petya tries to guess the number.
Petya can ask questions like: "Is the unknown number divisible by number y?".
The game is played by the following ru... | instruction | 0 | 105,693 | 22 | 211,386 |
Tags: math, number theory
Correct Solution:
```
def gen_prime():
num = [0 for i in range(10**3+1)]
num[2] = 1
num[3] = 1
for i in range(4, 10**3+1):
isprime = True
for j in range(2, int(i**0.5)+1):
if num[j]:
if not i%j:
isprime = False
break
if isprime:
num[i] = 1
prime = []
for i in r... | output | 1 | 105,693 | 22 | 211,387 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya are playing a simple game. Vasya thought of number x between 1 and n, and Petya tries to guess the number.
Petya can ask questions like: "Is the unknown number divisible by number y?".
The game is played by the following ru... | instruction | 0 | 105,695 | 22 | 211,390 |
Tags: math, number theory
Correct Solution:
```
def is_prime(n):
for i in range(2, n):
if ((n % i) == 0):
return 0
break
return 1
n = int(input())
if (n == 1):
print(0)
else:
q = []
for i in range(2, n + 1):
if (is_prime(i)):
q.append(i)
... | output | 1 | 105,695 | 22 | 211,391 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya and Petya are playing a simple game. Vasya thought of number x between 1 and n, and Petya tries to guess the number.
Petya can ask questions like: "Is the unknown number divisible by numb... | instruction | 0 | 105,697 | 22 | 211,394 |
Yes | output | 1 | 105,697 | 22 | 211,395 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya and Petya are playing a simple game. Vasya thought of number x between 1 and n, and Petya tries to guess the number.
Petya can ask questions like: "Is the unknown number divisible by numb... | instruction | 0 | 105,703 | 22 | 211,406 |
No | output | 1 | 105,703 | 22 | 211,407 |
Provide a correct Python 3 solution for this coding contest problem.
The sequence of n - 1 consecutive composite numbers (positive integers that are not prime and not equal to 1) lying between two successive prime numbers p and p + n is called a prime gap of length n. For example, (24, 25, 26, 27, 28) between 23 and 2... | instruction | 0 | 106,053 | 22 | 212,106 |
"Correct Solution:
```
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import math
def sieve_of_erastosthenes(num):
input_list = [False if i % 2 == 0 or i % 3 == 0 or i % 5 == 0 else True for i in range(num)]
input_list[0] = input_list[1] = False
input_list[2] = input_list[3] = input_list[5] = True
sqrt... | output | 1 | 106,053 | 22 | 212,107 |
Provide a correct Python 3 solution for this coding contest problem.
The sequence of n - 1 consecutive composite numbers (positive integers that are not prime and not equal to 1) lying between two successive prime numbers p and p + n is called a prime gap of length n. For example, (24, 25, 26, 27, 28) between 23 and 2... | instruction | 0 | 106,054 | 22 | 212,108 |
"Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 998244353
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def LI_(): return [int(x)-1 for x in sys.stdin.rea... | output | 1 | 106,054 | 22 | 212,109 |
Provide a correct Python 3 solution for this coding contest problem.
The sequence of n - 1 consecutive composite numbers (positive integers that are not prime and not equal to 1) lying between two successive prime numbers p and p + n is called a prime gap of length n. For example, (24, 25, 26, 27, 28) between 23 and 2... | instruction | 0 | 106,055 | 22 | 212,110 |
"Correct Solution:
```
def make_prime_table(n):
"""n以下の非負整数が素数であるかを判定したリストを出力する
計算量: O(NloglogN)
入出力例: 6 -> [False, False, True, True, False, True, False]
"""
is_prime = [True] * (n + 1)
is_prime[0] = False
is_prime[1] = False
for i in range(2, int(n ** 0.5) + 1):
if not is_prime... | output | 1 | 106,055 | 22 | 212,111 |
Provide a correct Python 3 solution for this coding contest problem.
The sequence of n - 1 consecutive composite numbers (positive integers that are not prime and not equal to 1) lying between two successive prime numbers p and p + n is called a prime gap of length n. For example, (24, 25, 26, 27, 28) between 23 and 2... | instruction | 0 | 106,056 | 22 | 212,112 |
"Correct Solution:
```
primes = [0, 0] + 1299709*[1]
for i in range(2, 1141):
if primes[i]:
for j in range(i*i, 1299710, i):
primes[j] = 0
while True:
n = int(input())
if n == 0:
break
if primes[n]:
print(0)
continue
a = b = n
while not primes[a]:
... | output | 1 | 106,056 | 22 | 212,113 |
Provide a correct Python 3 solution for this coding contest problem.
The sequence of n - 1 consecutive composite numbers (positive integers that are not prime and not equal to 1) lying between two successive prime numbers p and p + n is called a prime gap of length n. For example, (24, 25, 26, 27, 28) between 23 and 2... | instruction | 0 | 106,057 | 22 | 212,114 |
"Correct Solution:
```
def sieve():
L = 1299710
primes = []
isPrime = [ True for _ in range(L) ]
for i in range(2, L):
if isPrime[i]:
primes.append(i)
for j in range(i * i, L, i):
isPrime[j] = False
return primes
def getPrimeGap(num, primes):
if n... | output | 1 | 106,057 | 22 | 212,115 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The sequence of n - 1 consecutive composite numbers (positive integers that are not prime and not equal to 1) lying between two successive prime numbers p and p + n is called a prime gap of leng... | instruction | 0 | 106,058 | 22 | 212,116 |
No | output | 1 | 106,058 | 22 | 212,117 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The sequence of n - 1 consecutive composite numbers (positive integers that are not prime and not equal to 1) lying between two successive prime numbers p and p + n is called a prime gap of leng... | instruction | 0 | 106,059 | 22 | 212,118 |
No | output | 1 | 106,059 | 22 | 212,119 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blac... | instruction | 0 | 106,211 | 22 | 212,422 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
def divisors(M):
d=[]
i=1
while M>=i**2:
if M%i==0:
d.append(i)
if i**2!=M:
d.append(M//i)
i=i+1
return d
def popcount(x):
x = x - ((x >> 1) & 0x55555555)
x = (x & 0x333333... | output | 1 | 106,211 | 22 | 212,423 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then number a - x must also belong to set A.
* If ... | instruction | 0 | 106,540 | 22 | 213,080 |
Tags: 2-sat, dfs and similar, dsu, graph matchings, greedy
Correct Solution:
```
class DisjointSet:
def __init__(self, n):
self._fa = list(range(n))
def union(self, x, y):
x = self.get_father(x)
y = self.get_father(y)
self._fa[x] = y
return y
def get_father(self, x)... | output | 1 | 106,540 | 22 | 213,081 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then number a - x must also belong to set A.
* If ... | instruction | 0 | 106,541 | 22 | 213,082 |
Tags: 2-sat, dfs and similar, dsu, graph matchings, greedy
Correct Solution:
```
import sys
import queue
sys.setrecursionlimit(100000)
# global constant
INF = int(1e7+1)
MAX = 100005
# For testing
#sys.stdin = open("INP.txt", 'r')
#sys.stdout = open("OUT.txt", 'w')
# global variables
parents = []
ranks = []
size = [... | output | 1 | 106,541 | 22 | 213,083 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then number a - x must also belong to set A.
* If ... | instruction | 0 | 106,542 | 22 | 213,084 |
Tags: 2-sat, dfs and similar, dsu, graph matchings, greedy
Correct Solution:
```
def process(X, a, b):
X1 = set(X)
Other = set([])
A = set([])
B = set([])
Both = set([])
for x in X:
if a-x in X1 and b-x not in X1:
A.add(x)
A.add(a-x)
elif a-x not in X1 an... | output | 1 | 106,542 | 22 | 213,085 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then number a - x must also belong to set A.
* If ... | instruction | 0 | 106,543 | 22 | 213,086 |
Tags: 2-sat, dfs and similar, dsu, graph matchings, greedy
Correct Solution:
```
# Problem from Codeforces
# http://codeforces.com/problemset/problem/468/B
parent = []
ranks = []
def make_set(N):
global parent, ranks
parent = [i for i in range(N + 5)]
ranks = [0 for i in range(N + 5)]
def find_set(u):... | output | 1 | 106,543 | 22 | 213,087 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then number a - x must also belong to set A.
* If ... | instruction | 0 | 106,544 | 22 | 213,088 |
Tags: 2-sat, dfs and similar, dsu, graph matchings, greedy
Correct Solution:
```
def findSet(u, parent):
if parent[u] != u:
parent[u] = findSet(parent[u], parent)
return parent[u]
def unionSet(u, v, parent):
up = findSet(u, parent)
vp = findSet(v, parent)
parent[up] = vp
if __name__ == '__... | output | 1 | 106,544 | 22 | 213,089 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then number a - x must also belong to set A.
* If ... | instruction | 0 | 106,545 | 22 | 213,090 |
Tags: 2-sat, dfs and similar, dsu, graph matchings, greedy
Correct Solution:
```
def findSet(u):
if parents[u] != u:
parents[u] = findSet(parents[u])
return parents[u]
def unionSet(u, v):
up = findSet(u)
vp = findSet(v)
if up == vp:
return
if ranks[up] > ranks[vp]:
parents[vp] = up
elif r... | output | 1 | 106,545 | 22 | 213,091 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then number a - x must also belong to set A.
* If ... | instruction | 0 | 106,546 | 22 | 213,092 |
Tags: 2-sat, dfs and similar, dsu, graph matchings, greedy
Correct Solution:
```
import sys
from collections import defaultdict as dd
input = sys.stdin.readline
I = lambda : list(map(int,input().split()))
n,a,b=I()
l=I()
dic=dd(int)
for i in range(n):
dic[l[i]]=1
bs=[]
pa=dd(int)
for i in range(n):
if dic[a-l[i]]==0... | output | 1 | 106,546 | 22 | 213,093 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then number a - x must also belong to set A.
* If ... | instruction | 0 | 106,547 | 22 | 213,094 |
Tags: 2-sat, dfs and similar, dsu, graph matchings, greedy
Correct Solution:
```
parent = [i for i in range(100002)]
def findSet(u):
if parent[u] != u:
parent[u] = findSet(parent[u])
return parent[u]
def unionSet(u, v):
up = findSet(u)
vp = findSet(v)
parent[up] = vp
if __name__ == '__main... | output | 1 | 106,547 | 22 | 213,095 |
Provide tags and a correct Python 2 solution for this coding contest problem.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then number a - x must also belong to set A.
* If ... | instruction | 0 | 106,548 | 22 | 213,096 |
Tags: 2-sat, dfs and similar, dsu, graph matchings, greedy
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
from itertools import permutations, combinations
raw_input = stdin.readline
pr = stdout.write
def in_num():
return int(raw_input())
def in_arr():
return... | output | 1 | 106,548 | 22 | 213,097 |
Provide tags and a correct Python 2 solution for this coding contest problem.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then number a - x must also belong to set A.
* If ... | instruction | 0 | 106,549 | 22 | 213,098 |
Tags: 2-sat, dfs and similar, dsu, graph matchings, greedy
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
from itertools import permutations, combinations
raw_input = stdin.readline
pr = stdout.write
def in_num():
return int(raw_input())
def in_arr():
return... | output | 1 | 106,549 | 22 | 213,099 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then n... | instruction | 0 | 106,550 | 22 | 213,100 |
Yes | output | 1 | 106,550 | 22 | 213,101 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then n... | instruction | 0 | 106,551 | 22 | 213,102 |
Yes | output | 1 | 106,551 | 22 | 213,103 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then n... | instruction | 0 | 106,552 | 22 | 213,104 |
Yes | output | 1 | 106,552 | 22 | 213,105 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then n... | instruction | 0 | 106,553 | 22 | 213,106 |
Yes | output | 1 | 106,553 | 22 | 213,107 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then n... | instruction | 0 | 106,554 | 22 | 213,108 |
No | output | 1 | 106,554 | 22 | 213,109 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then n... | instruction | 0 | 106,555 | 22 | 213,110 |
No | output | 1 | 106,555 | 22 | 213,111 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then n... | instruction | 0 | 106,556 | 22 | 213,112 |
No | output | 1 | 106,556 | 22 | 213,113 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little X has n distinct integers: p1, p2, ..., pn. He wants to divide all of them into two sets A and B. The following two conditions must be satisfied:
* If number x belongs to set A, then n... | instruction | 0 | 106,557 | 22 | 213,114 |
No | output | 1 | 106,557 | 22 | 213,115 |
Provide tags and a correct Python 3 solution for this coding contest problem.
For given n, l and r find the number of distinct geometrical progression, each of which contains n distinct integers not less than l and not greater than r. In other words, for each progression the following must hold: l ≤ ai ≤ r and ai ≠ aj... | instruction | 0 | 107,491 | 22 | 214,982 |
Tags: brute force, math, number theory
Correct Solution:
```
Primes = [2, 3, 5, 7]
def check (a, b) :
for pr in Primes :
if a % pr == 0 and b % pr == 0 :
return False
while (b) :
a %= b
a ^= b
b ^= a
a ^= b
return a == 1
n, l, r = map(int, input().split())
if n == 1 :
ans = r - l + 1
elif n == 2 :
a... | output | 1 | 107,491 | 22 | 214,983 |
Provide tags and a correct Python 3 solution for this coding contest problem.
For given n, l and r find the number of distinct geometrical progression, each of which contains n distinct integers not less than l and not greater than r. In other words, for each progression the following must hold: l ≤ ai ≤ r and ai ≠ aj... | instruction | 0 | 107,492 | 22 | 214,984 |
Tags: brute force, math, number theory
Correct Solution:
```
import math
small=[2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251... | output | 1 | 107,492 | 22 | 214,985 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given positive integer number n. You should create such strictly increasing sequence of k positive numbers a1, a2, ..., ak, that their sum is equal to n and greatest common divisor is maximal.
Greatest common divisor of sequence is ... | instruction | 0 | 107,497 | 22 | 214,994 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
from math import sqrt
n,k = map(int,input().split())
d = 10000000000000
if n < k*(k+1)//2:
print(-1)
else:
for i in range(1,int(sqrt(n))+1):
if n%i==0:
if i >= k*(k+1)//2:
d = i
break
... | output | 1 | 107,497 | 22 | 214,995 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.