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Provide tags and a correct Python 3 solution for this coding contest problem. Billy investigates the question of applying greedy algorithm to different spheres of life. At the moment he is studying the application of greedy algorithm to the problem about change. There is an amount of n coins of different face values, ...
instruction
0
1,692
10
3,384
Tags: constructive algorithms Correct Solution: ``` __author__ = 'Darren' def solve(): n = int(input()) coins = list(map(int, input().split())) def greedy(amount): num = 0 for i in range(n): num += amount // coins[i] amount %= coins[i] return num resul...
output
1
1,692
10
3,385
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Billy investigates the question of applying greedy algorithm to different spheres of life. At the moment he is studying the application of greedy algorithm to the problem about change. There is ...
instruction
0
1,693
10
3,386
No
output
1
1,693
10
3,387
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Billy investigates the question of applying greedy algorithm to different spheres of life. At the moment he is studying the application of greedy algorithm to the problem about change. There is ...
instruction
0
1,694
10
3,388
No
output
1
1,694
10
3,389
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given n objects. Each object has two integer properties: val_i — its price — and mask_i. It is guaranteed that the sum of all prices is initially non-zero. You want to select a positive...
instruction
0
1,706
10
3,412
No
output
1
1,706
10
3,413
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given n objects. Each object has two integer properties: val_i — its price — and mask_i. It is guaranteed that the sum of all prices is initially non-zero. You want to select a positive...
instruction
0
1,707
10
3,414
No
output
1
1,707
10
3,415
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given n objects. Each object has two integer properties: val_i — its price — and mask_i. It is guaranteed that the sum of all prices is initially non-zero. You want to select a positive...
instruction
0
1,708
10
3,416
No
output
1
1,708
10
3,417
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given n objects. Each object has two integer properties: val_i — its price — and mask_i. It is guaranteed that the sum of all prices is initially non-zero. You want to select a positive...
instruction
0
1,709
10
3,418
No
output
1
1,709
10
3,419
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The warehouse in your shop has n shoe pairs. Each pair is characterized by two integers: its price ci and its size si. We know that on this very day all numbers si are different, that is, there ...
instruction
0
1,901
10
3,802
No
output
1
1,901
10
3,803
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The warehouse in your shop has n shoe pairs. Each pair is characterized by two integers: its price ci and its size si. We know that on this very day all numbers si are different, that is, there ...
instruction
0
1,902
10
3,804
No
output
1
1,902
10
3,805
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The warehouse in your shop has n shoe pairs. Each pair is characterized by two integers: its price ci and its size si. We know that on this very day all numbers si are different, that is, there ...
instruction
0
1,903
10
3,806
No
output
1
1,903
10
3,807
Provide a correct Python 3 solution for this coding contest problem. There is a simple undirected graph with N vertices and M edges. The vertices are numbered 1 through N, and the edges are numbered 1 through M. Edge i connects Vertex U_i and V_i. Also, Vertex i has two predetermined integers A_i and B_i. You will pla...
instruction
0
3,166
10
6,332
"Correct Solution: ``` import os import sys if os.getenv("LOCAL"): sys.stdin = open("_in.txt", "r") sys.setrecursionlimit(10 ** 9) INF = float("inf") IINF = 10 ** 18 MOD = 10 ** 9 + 7 # MOD = 998244353 class UnionFind: def __init__(self, size=None, nodes=None): """ size か nodes どっちか指定。 ...
output
1
3,166
10
6,333
Provide a correct Python 3 solution for this coding contest problem. There is a simple undirected graph with N vertices and M edges. The vertices are numbered 1 through N, and the edges are numbered 1 through M. Edge i connects Vertex U_i and V_i. Also, Vertex i has two predetermined integers A_i and B_i. You will pla...
instruction
0
3,167
10
6,334
"Correct Solution: ``` import os import sys if os.getenv("LOCAL"): sys.stdin = open("_in.txt", "r") sys.setrecursionlimit(10 ** 9) INF = float("inf") IINF = 10 ** 18 MOD = 10 ** 9 + 7 # MOD = 998244353 class UnionFind: def __init__(self, size=None, nodes=None): """ size か nodes どっちか指定。 ...
output
1
3,167
10
6,335
Provide a correct Python 3 solution for this coding contest problem. There is a simple undirected graph with N vertices and M edges. The vertices are numbered 1 through N, and the edges are numbered 1 through M. Edge i connects Vertex U_i and V_i. Also, Vertex i has two predetermined integers A_i and B_i. You will pla...
instruction
0
3,168
10
6,336
"Correct Solution: ``` class dsu: def __init__(self, n=0): self._n = n self.parent_or_size = [-1] * n def merge(self, a: int, b: int) -> int: x = self.leader(a) y = self.leader(b) if x == y: return x if self.parent_or_size[x] > self.parent_or_size...
output
1
3,168
10
6,337
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a simple undirected graph with N vertices and M edges. The vertices are numbered 1 through N, and the edges are numbered 1 through M. Edge i connects Vertex U_i and V_i. Also, Vertex i ...
instruction
0
3,169
10
6,338
No
output
1
3,169
10
6,339
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a simple undirected graph with N vertices and M edges. The vertices are numbered 1 through N, and the edges are numbered 1 through M. Edge i connects Vertex U_i and V_i. Also, Vertex i ...
instruction
0
3,170
10
6,340
No
output
1
3,170
10
6,341
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a simple undirected graph with N vertices and M edges. The vertices are numbered 1 through N, and the edges are numbered 1 through M. Edge i connects Vertex U_i and V_i. Also, Vertex i ...
instruction
0
3,171
10
6,342
No
output
1
3,171
10
6,343
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a simple undirected graph with N vertices and M edges. The vertices are numbered 1 through N, and the edges are numbered 1 through M. Edge i connects Vertex U_i and V_i. Also, Vertex i ...
instruction
0
3,172
10
6,344
No
output
1
3,172
10
6,345
Provide tags and a correct Python 3 solution for this coding contest problem. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are neighbours if n > 1. No bank is a neighbour of its...
instruction
0
3,796
10
7,592
Tags: constructive algorithms, data structures, greedy, sortings Correct Solution: ``` from collections import Counter c = Counter() n = int(input()) a = list(map(int, input().split())) for i in range(1, n): a[i] += a[i-1] c.update(a) print(n - c.most_common()[0][1]) ```
output
1
3,796
10
7,593
Provide tags and a correct Python 3 solution for this coding contest problem. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are neighbours if n > 1. No bank is a neighbour of its...
instruction
0
3,797
10
7,594
Tags: constructive algorithms, data structures, greedy, sortings Correct Solution: ``` n = int(input()) a = list(map(int, input().split())) s = [a[0]] for i in range(1, n): s.append(s[i - 1] + a[i]) d = {} for x in s: if x not in d: d[x] = 1 else: d[x] += 1 print(n - max(d.values())) ```
output
1
3,797
10
7,595
Provide tags and a correct Python 3 solution for this coding contest problem. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are neighbours if n > 1. No bank is a neighbour of its...
instruction
0
3,798
10
7,596
Tags: constructive algorithms, data structures, greedy, sortings Correct Solution: ``` n = int(input()) a = list(map(int, input().split())) x = dict() sum = 0 ans = n - 1 for i in range(n): sum += a[i] if sum in x: x[sum] += 1 else: x[sum] = 1 ans = min(ans, n - x[sum]) print(ans) ```
output
1
3,798
10
7,597
Provide tags and a correct Python 3 solution for this coding contest problem. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are neighbours if n > 1. No bank is a neighbour of its...
instruction
0
3,799
10
7,598
Tags: constructive algorithms, data structures, greedy, sortings Correct Solution: ``` # http://codeforces.com/contest/675/problem/C from collections import defaultdict n = int(input()) l = list(map(int, input().split())) # frequency of the most frequent cumulative sum, using hash d = defaultdict(int) cost = n-1 s ...
output
1
3,799
10
7,599
Provide tags and a correct Python 3 solution for this coding contest problem. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are neighbours if n > 1. No bank is a neighbour of its...
instruction
0
3,800
10
7,600
Tags: constructive algorithms, data structures, greedy, sortings Correct Solution: ``` n = int(input("")) l = input("").split(" ") for i in range(len(l)): l[i] = int(l[i]) s = 0 m = 0 ps = {} for i in range(len(l)): s += l[i] if (s in ps): ps[s] += 1 else: ps[s] = 1 if (ps[s] > m): ...
output
1
3,800
10
7,601
Provide tags and a correct Python 3 solution for this coding contest problem. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are neighbours if n > 1. No bank is a neighbour of its...
instruction
0
3,801
10
7,602
Tags: constructive algorithms, data structures, greedy, sortings Correct Solution: ``` n = int(input()) a = list(map(int, input().split())) d = dict() total = 0 for i in range(n): total += a[i] d[total] = 0 total = 0 ans = 0 for i in range(n): total += a[i] d[total] += 1 ans = max(ans, d[total]) print(n - ans) ...
output
1
3,801
10
7,603
Provide tags and a correct Python 3 solution for this coding contest problem. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are neighbours if n > 1. No bank is a neighbour of its...
instruction
0
3,802
10
7,604
Tags: constructive algorithms, data structures, greedy, sortings Correct Solution: ``` """ def sol(arr): n = len(arr) # avg = int(np.mean(arr)) # print(avg) # for i in range(n): # arr[i]-=avg for i in range(n-1): arr[i+1]+=arr[i] res = arr.count(max(set(arr),key=arr.count)) re...
output
1
3,802
10
7,605
Provide tags and a correct Python 3 solution for this coding contest problem. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are neighbours if n > 1. No bank is a neighbour of its...
instruction
0
3,803
10
7,606
Tags: constructive algorithms, data structures, greedy, sortings Correct Solution: ``` import sys input=sys.stdin.readline from collections import defaultdict as dd n=int(input()) a=list(map(int,input().split())) d=dd(int) sa=0 ans=10**9 for i in range(n): sa+=a[i] d[sa]+=1 ans=min(ans,n-d[sa]) print(ans) `...
output
1
3,803
10
7,607
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are nei...
instruction
0
3,804
10
7,608
Yes
output
1
3,804
10
7,609
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are nei...
instruction
0
3,805
10
7,610
Yes
output
1
3,805
10
7,611
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are nei...
instruction
0
3,806
10
7,612
Yes
output
1
3,806
10
7,613
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are nei...
instruction
0
3,807
10
7,614
Yes
output
1
3,807
10
7,615
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are nei...
instruction
0
3,808
10
7,616
No
output
1
3,808
10
7,617
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are nei...
instruction
0
3,809
10
7,618
No
output
1
3,809
10
7,619
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are nei...
instruction
0
3,810
10
7,620
No
output
1
3,810
10
7,621
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n banks in the city where Vasya lives, they are located in a circle, such that any two banks are neighbouring if their indices differ by no more than 1. Also, bank 1 and bank n are nei...
instruction
0
3,811
10
7,622
No
output
1
3,811
10
7,623
Provide a correct Python 3 solution for this coding contest problem. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. That is, to buy an apple pie priced at X yen before tax, yo...
instruction
0
4,841
10
9,682
"Correct Solution: ``` n = int(input()) for i in range(50001): if n == int(i*1.08): print (i) exit() print (":(") ```
output
1
4,841
10
9,683
Provide a correct Python 3 solution for this coding contest problem. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. That is, to buy an apple pie priced at X yen before tax, yo...
instruction
0
4,842
10
9,684
"Correct Solution: ``` n=int(input()) for i in range(1,n+1): if int(i*1.08)==n: print(i) exit() print(":(") ```
output
1
4,842
10
9,685
Provide a correct Python 3 solution for this coding contest problem. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. That is, to buy an apple pie priced at X yen before tax, yo...
instruction
0
4,843
10
9,686
"Correct Solution: ``` import math price = int(input()) if price%1.08<0.1: print(":(") else: print(math.ceil(price/1.08)) ```
output
1
4,843
10
9,687
Provide a correct Python 3 solution for this coding contest problem. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. That is, to buy an apple pie priced at X yen before tax, yo...
instruction
0
4,844
10
9,688
"Correct Solution: ``` n=int(input()) if n%27==13 or n%27==26: print(":(") else: print(int(float(n+1)//1.08)) ```
output
1
4,844
10
9,689
Provide a correct Python 3 solution for this coding contest problem. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. That is, to buy an apple pie priced at X yen before tax, yo...
instruction
0
4,845
10
9,690
"Correct Solution: ``` n = int(input()) for i in range(1, 50000): if i * 108 // 100 == n: print(i) exit() print(':(') ```
output
1
4,845
10
9,691
Provide a correct Python 3 solution for this coding contest problem. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. That is, to buy an apple pie priced at X yen before tax, yo...
instruction
0
4,846
10
9,692
"Correct Solution: ``` a=int(input()) b=0 for i in range(a+1): c=i c+=(i*8)//100 if c==a: b=i print(":("if b==0 else b) ```
output
1
4,846
10
9,693
Provide a correct Python 3 solution for this coding contest problem. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. That is, to buy an apple pie priced at X yen before tax, yo...
instruction
0
4,847
10
9,694
"Correct Solution: ``` N = int(input()) ans = ":(" for i in range(N+1): if int(i*1.08) == N: ans = i print(ans) ```
output
1
4,847
10
9,695
Provide a correct Python 3 solution for this coding contest problem. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. That is, to buy an apple pie priced at X yen before tax, yo...
instruction
0
4,848
10
9,696
"Correct Solution: ``` ng=":(" n=int(input()) for i in range(50000): if int(i*1.08)==n: ans=i print(ans);exit() print(ng) ```
output
1
4,848
10
9,697
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. Tha...
instruction
0
4,849
10
9,698
Yes
output
1
4,849
10
9,699
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. Tha...
instruction
0
4,850
10
9,700
Yes
output
1
4,850
10
9,701
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. Tha...
instruction
0
4,851
10
9,702
Yes
output
1
4,851
10
9,703
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. Tha...
instruction
0
4,852
10
9,704
Yes
output
1
4,852
10
9,705
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. Tha...
instruction
0
4,853
10
9,706
No
output
1
4,853
10
9,707
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. Tha...
instruction
0
4,854
10
9,708
No
output
1
4,854
10
9,709
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. Tha...
instruction
0
4,855
10
9,710
No
output
1
4,855
10
9,711
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. Tha...
instruction
0
4,856
10
9,712
No
output
1
4,856
10
9,713
Provide tags and a correct Python 3 solution for this coding contest problem. You are the head of a large enterprise. n people work at you, and n is odd (i. e. n is not divisible by 2). You have to distribute salaries to your employees. Initially, you have s dollars for it, and the i-th employee should get a salary f...
instruction
0
5,129
10
10,258
Tags: binary search, greedy, sortings Correct Solution: ``` def main(): def getLowestPossibleMedian(lr,n): lr.sort(key=lambda x:x[0]) # sort by l asc return lr[n//2][0] def checkPossibleMedian(lr,guess,n,s): potentialUpper=[] # potential candidates for the upper half l...
output
1
5,129
10
10,259