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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracketed sequence is called correct (regular) if by inserting "+" and "1" you can get a well-formed mathematical expression from it. For example, sequences "(())()", "()" and "(()(()))" are c...
instruction
0
67,435
21
134,870
Yes
output
1
67,435
21
134,871
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracketed sequence is called correct (regular) if by inserting "+" and "1" you can get a well-formed mathematical expression from it. For example, sequences "(())()", "()" and "(()(()))" are c...
instruction
0
67,436
21
134,872
Yes
output
1
67,436
21
134,873
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracketed sequence is called correct (regular) if by inserting "+" and "1" you can get a well-formed mathematical expression from it. For example, sequences "(())()", "()" and "(()(()))" are c...
instruction
0
67,437
21
134,874
Yes
output
1
67,437
21
134,875
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracketed sequence is called correct (regular) if by inserting "+" and "1" you can get a well-formed mathematical expression from it. For example, sequences "(())()", "()" and "(()(()))" are c...
instruction
0
67,438
21
134,876
No
output
1
67,438
21
134,877
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracketed sequence is called correct (regular) if by inserting "+" and "1" you can get a well-formed mathematical expression from it. For example, sequences "(())()", "()" and "(()(()))" are c...
instruction
0
67,439
21
134,878
No
output
1
67,439
21
134,879
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracketed sequence is called correct (regular) if by inserting "+" and "1" you can get a well-formed mathematical expression from it. For example, sequences "(())()", "()" and "(()(()))" are c...
instruction
0
67,440
21
134,880
No
output
1
67,440
21
134,881
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracketed sequence is called correct (regular) if by inserting "+" and "1" you can get a well-formed mathematical expression from it. For example, sequences "(())()", "()" and "(()(()))" are c...
instruction
0
67,441
21
134,882
No
output
1
67,441
21
134,883
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Nastya is a competitive programmer, but she is only studying now. Recently, Denis told her about the way to check if the string is correct bracket sequence. After that, unexpectedly, Nastya came...
instruction
0
67,442
21
134,884
No
output
1
67,442
21
134,885
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Nastya is a competitive programmer, but she is only studying now. Recently, Denis told her about the way to check if the string is correct bracket sequence. After that, unexpectedly, Nastya came...
instruction
0
67,443
21
134,886
No
output
1
67,443
21
134,887
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Nastya is a competitive programmer, but she is only studying now. Recently, Denis told her about the way to check if the string is correct bracket sequence. After that, unexpectedly, Nastya came...
instruction
0
67,444
21
134,888
No
output
1
67,444
21
134,889
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Nastya is a competitive programmer, but she is only studying now. Recently, Denis told her about the way to check if the string is correct bracket sequence. After that, unexpectedly, Nastya came...
instruction
0
67,445
21
134,890
No
output
1
67,445
21
134,891
Provide tags and a correct Python 3 solution for this coding contest problem. After bracket sequences Arthur took up number theory. He has got a new favorite sequence of length n (a1, a2, ..., an), consisting of integers and integer k, not exceeding n. This sequence had the following property: if you write out the su...
instruction
0
72,888
21
145,776
Tags: greedy, implementation, math, ternary search Correct Solution: ``` n, k = map(int, input().split()) arr = [[-2 * 10 ** 9] for i in range(k)] for i, j in enumerate(input().split()): arr[i % k].append(j) b = True for i in range(k): arr[i].append(2 * 10 ** 9) z, c = 1, 0 while z < len(arr[i]): ...
output
1
72,888
21
145,777
Provide tags and a correct Python 3 solution for this coding contest problem. After bracket sequences Arthur took up number theory. He has got a new favorite sequence of length n (a1, a2, ..., an), consisting of integers and integer k, not exceeding n. This sequence had the following property: if you write out the su...
instruction
0
72,889
21
145,778
Tags: greedy, implementation, math, ternary search Correct Solution: ``` import sys n, k = map(int, input().split()) a = input().split() INF = 10 ** 9 + 7 OK = True for i in range(n): if a[i] == "?": a[i] = INF else: a[i] = int(a[i]) for i in range(len(a)): if a[i] == INF: j = i +...
output
1
72,889
21
145,779
Provide tags and a correct Python 3 solution for this coding contest problem. After bracket sequences Arthur took up number theory. He has got a new favorite sequence of length n (a1, a2, ..., an), consisting of integers and integer k, not exceeding n. This sequence had the following property: if you write out the su...
instruction
0
72,890
21
145,780
Tags: greedy, implementation, math, ternary search Correct Solution: ``` import math n, k = map(int, input().split()) strings = list(input().split()) a = [] MIN = -1000 * 1000 * 1000 * 1000 def prove(pos): index = pos while index < len(a): if a[index] != MIN: return False; index ...
output
1
72,890
21
145,781
Provide tags and a correct Python 3 solution for this coding contest problem. After bracket sequences Arthur took up number theory. He has got a new favorite sequence of length n (a1, a2, ..., an), consisting of integers and integer k, not exceeding n. This sequence had the following property: if you write out the su...
instruction
0
72,891
21
145,782
Tags: greedy, implementation, math, ternary search Correct Solution: ``` INF = 1 << 60 Q = 1 << 58 def solve(): ans = [0] * n for i in range(k): b = [-INF] b.extend(a[i:n:k]) m = len(b) b.append(INF) lb = -INF p, q = 1, 0 while p < m: while b[...
output
1
72,891
21
145,783
Provide tags and a correct Python 3 solution for this coding contest problem. After bracket sequences Arthur took up number theory. He has got a new favorite sequence of length n (a1, a2, ..., an), consisting of integers and integer k, not exceeding n. This sequence had the following property: if you write out the su...
instruction
0
72,892
21
145,784
Tags: greedy, implementation, math, ternary search Correct Solution: ``` def foo(left, right, number): left += 1 right -= 1 if right - left + 1 < number: return 10 ** 10 num = number // 2 if number % 2: if num <= right and -num >= left: return -num else : if ...
output
1
72,892
21
145,785
Provide tags and a correct Python 3 solution for this coding contest problem. After bracket sequences Arthur took up number theory. He has got a new favorite sequence of length n (a1, a2, ..., an), consisting of integers and integer k, not exceeding n. This sequence had the following property: if you write out the su...
instruction
0
72,893
21
145,786
Tags: greedy, implementation, math, ternary search Correct Solution: ``` INF = 10000000001 def fill(s): s.insert(0, -INF) s.append(INF) i = 0 for j in filter(lambda x: s[x] != '?', range(1, len(s))): d = i - j s[j] = int(s[j]) if s[i] > s[j]+d: raise a = max(min(d//2, s[j]+d), s[i]) fo...
output
1
72,893
21
145,787
Provide tags and a correct Python 3 solution for this coding contest problem. After bracket sequences Arthur took up number theory. He has got a new favorite sequence of length n (a1, a2, ..., an), consisting of integers and integer k, not exceeding n. This sequence had the following property: if you write out the su...
instruction
0
72,894
21
145,788
Tags: greedy, implementation, math, ternary search Correct Solution: ``` #!/usr/bin/env python3 import sys, math N, K = input().split(' ') N = int(N) K = int(K) raw_a = input().split(' ') a = ['?'] * N known_idxs = set() # if (N, K) == (99941, 52): # print(' '.join(raw_a[500:600])) for i, e in enumerate(raw_a)...
output
1
72,894
21
145,789
Provide tags and a correct Python 3 solution for this coding contest problem. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters "1" and "+" between the original cha...
instruction
0
74,967
21
149,934
Tags: greedy Correct Solution: ``` n,k=map(int,input().split()) s=input() a=[] ans=0 for i in s: if k==0: break if i=='(' and k>0: a+=[i] ans+=1 k-=2 if i==')': a+=i ans-=1 for i in a: print(i,end='') for i in range(ans): print(')',end='') ```
output
1
74,967
21
149,935
Provide tags and a correct Python 3 solution for this coding contest problem. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters "1" and "+" between the original cha...
instruction
0
74,968
21
149,936
Tags: greedy Correct Solution: ``` n, k = map(int, input().split()) s = input() used = [False] * n index = [] cnt = 0 for i in range(n): if s[i] == '(': index.append(i) else: if len(index) > 0: j = index.pop() used[i] = True used[j] = True cnt += 2...
output
1
74,968
21
149,937
Provide tags and a correct Python 3 solution for this coding contest problem. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters "1" and "+" between the original cha...
instruction
0
74,969
21
149,938
Tags: greedy Correct Solution: ``` n , m = map(int , input().split()) s = str(input()) l = list(s) left = [] right = [] ans = "" c = 0 b = 0 for i in range(0 , n): if l[i] == '(' and c < m // 2: b += 1 ans += '(' c += 1 elif b : ans += ')' b -= 1 print(ans) ```
output
1
74,969
21
149,939
Provide tags and a correct Python 3 solution for this coding contest problem. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters "1" and "+" between the original cha...
instruction
0
74,970
21
149,940
Tags: greedy Correct Solution: ``` n,k=map(int,input().split()) A=input() p=0 for i in range(n): if p+i==k: print(A[:i]+")"*p) break if A[i]=="(": p+=1 else: p-=1 ```
output
1
74,970
21
149,941
Provide tags and a correct Python 3 solution for this coding contest problem. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters "1" and "+" between the original cha...
instruction
0
74,971
21
149,942
Tags: greedy Correct Solution: ``` n, k = map(int, input().strip().split()) s = input().strip() t = [i for i in s] for i in range(n): if k == n: break if t[i] == '(': t[i] = '' k += 2 p = 0 for i in range(n): if t[i] == '(': p += 1 elif t[i] == ')': p -= 1 i...
output
1
74,971
21
149,943
Provide tags and a correct Python 3 solution for this coding contest problem. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters "1" and "+" between the original cha...
instruction
0
74,972
21
149,944
Tags: greedy Correct Solution: ``` import sys # sys.setrecursionlimit(300000) # Get out of main functoin def main(): pass # decimal to binary def binary(n): return (bin(n).replace("0b", "")) # binary to decimal def decimal(s): return (int(s, 2)) # power of a number base 2 def pow2(n): p = 0 while n ...
output
1
74,972
21
149,945
Provide tags and a correct Python 3 solution for this coding contest problem. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters "1" and "+" between the original cha...
instruction
0
74,973
21
149,946
Tags: greedy Correct Solution: ``` n,k=map(int,input().split()) s=input() arr=[] for i in range(n): arr.append(s[i]) if n==k: print(s) else: count_open=0 count_close=0 for i in range(n): if s[i]=='(': count_open+=1 count_close+=1 print('(',end="") elif s[i]==')': count_close-=1 print(')',end="")...
output
1
74,973
21
149,947
Provide tags and a correct Python 3 solution for this coding contest problem. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters "1" and "+" between the original cha...
instruction
0
74,974
21
149,948
Tags: greedy Correct Solution: ``` #!/usr/bin/python3 def solve(N, K, S): pos = [-1] * N stk = [] for i, c in enumerate(S): if c == '(': stk.append(i) else: j = stk.pop() pos[j] = i pos[i] = j assert not stk kill = bytearray(N) ...
output
1
74,974
21
149,949
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting ...
instruction
0
74,975
21
149,950
Yes
output
1
74,975
21
149,951
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting ...
instruction
0
74,976
21
149,952
Yes
output
1
74,976
21
149,953
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting ...
instruction
0
74,977
21
149,954
Yes
output
1
74,977
21
149,955
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting ...
instruction
0
74,978
21
149,956
Yes
output
1
74,978
21
149,957
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting ...
instruction
0
74,979
21
149,958
No
output
1
74,979
21
149,959
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting ...
instruction
0
74,980
21
149,960
No
output
1
74,980
21
149,961
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting ...
instruction
0
74,981
21
149,962
No
output
1
74,981
21
149,963
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting ...
instruction
0
74,982
21
149,964
No
output
1
74,982
21
149,965
Provide tags and a correct Python 3 solution for this coding contest problem. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creative crisis. To improve the situation, Petya gif...
instruction
0
75,970
21
151,940
Tags: brute force, dp, greedy, implementation Correct Solution: ``` from collections import deque def getAnsRight(a): stack = deque() ans = 0 for i in range(len(a)): if a[i] == '(': stack.append(a[i]) else: stack.pop() if not le...
output
1
75,970
21
151,941
Provide tags and a correct Python 3 solution for this coding contest problem. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creative crisis. To improve the situation, Petya gif...
instruction
0
75,971
21
151,942
Tags: brute force, dp, greedy, implementation Correct Solution: ``` import sys input = sys.stdin.readline def matcher(correcti): open_=0 close_=0 count=0 excess=0 for i in range(len(correcti)): if correcti[i]=='(': open_+=1 if correcti[i]==')': close_+=1 ...
output
1
75,971
21
151,943
Provide tags and a correct Python 3 solution for this coding contest problem. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creative crisis. To improve the situation, Petya gif...
instruction
0
75,972
21
151,944
Tags: brute force, dp, greedy, implementation Correct Solution: ``` n=int(input()) s=list(input()) def call(x): if x=='(': return 1 else: return -1 s=list(map(call,s)) if sum(s)!=0: print(0) print(1,1) else: ans=0 pr=(1,1) for i in range(n-1): for j in range(i,n): ...
output
1
75,972
21
151,945
Provide tags and a correct Python 3 solution for this coding contest problem. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creative crisis. To improve the situation, Petya gif...
instruction
0
75,973
21
151,946
Tags: brute force, dp, greedy, implementation Correct Solution: ``` def beauty(tt): depth = 0 min_depth = 0 dd = [] for i, t in enumerate(tt): if t == '(': depth += 1 else: depth -= 1 dd.append(depth) if depth < min_depth: min_depth = d...
output
1
75,973
21
151,947
Provide tags and a correct Python 3 solution for this coding contest problem. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creative crisis. To improve the situation, Petya gif...
instruction
0
75,974
21
151,948
Tags: brute force, dp, greedy, implementation Correct Solution: ``` n = int(input()) s = [1 if c == '(' else -1 for c in input()] if s.count(1) != s.count(-1): print(0) print(1, 1) exit() ans = 0 pair = 1, 1 for i in range(n-1): for j in range(i, n): s[i], s[j] = s[j], s[i] min_p, cnt =...
output
1
75,974
21
151,949
Provide tags and a correct Python 3 solution for this coding contest problem. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creative crisis. To improve the situation, Petya gif...
instruction
0
75,975
21
151,950
Tags: brute force, dp, greedy, implementation Correct Solution: ``` #Code by Sounak, IIESTS #------------------------------warmup---------------------------- import os import sys import math from io import BytesIO, IOBase from fractions import Fraction import collections from itertools import permutations from collect...
output
1
75,975
21
151,951
Provide tags and a correct Python 3 solution for this coding contest problem. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creative crisis. To improve the situation, Petya gif...
instruction
0
75,976
21
151,952
Tags: brute force, dp, greedy, implementation Correct Solution: ``` n = int(input()) s = list(input()) r = -1 l = n root = [] def find_right(node): global l,r,s,n while n: r += 1 n -= 1 if s[r] == '(': node[2].append([r,-1,[]]) find_right(node[2][-1]) els...
output
1
75,976
21
151,953
Provide tags and a correct Python 3 solution for this coding contest problem. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creative crisis. To improve the situation, Petya gif...
instruction
0
75,977
21
151,954
Tags: brute force, dp, greedy, implementation Correct Solution: ``` n = int(input()) s = list(input()) best = 0 L = 1 R = 1 if n % 2: print(best) print(L, R) quit() def check(): calc = 0 min = 0 cntmin = 0 for ch in s: if ch == '(': calc += 1 else: calc -= 1 if min > calc: min = calc ...
output
1
75,977
21
151,955
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creat...
instruction
0
75,978
21
151,956
Yes
output
1
75,978
21
151,957
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creat...
instruction
0
75,979
21
151,958
Yes
output
1
75,979
21
151,959
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creat...
instruction
0
75,980
21
151,960
Yes
output
1
75,980
21
151,961
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creat...
instruction
0
75,981
21
151,962
Yes
output
1
75,981
21
151,963
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creat...
instruction
0
75,982
21
151,964
No
output
1
75,982
21
151,965
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creat...
instruction
0
75,983
21
151,966
No
output
1
75,983
21
151,967
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creat...
instruction
0
75,984
21
151,968
No
output
1
75,984
21
151,969
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem. In this version, n ≀ 500. Vasya is an experienced developer of programming competitions' problems. As all great minds at some time, Vasya faced a creat...
instruction
0
75,985
21
151,970
No
output
1
75,985
21
151,971