message stringlengths 2 15.4k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 45 107k | cluster float64 21 21 | __index_level_0__ int64 90 214k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters '1' and '+' betwe... | instruction | 0 | 45 | 21 | 90 |
Tags: implementation
Correct Solution:
```
from sys import stdin, stdout
import collections
import math
N = int(input())
s = input()
level = 0
L = [0]*N
for i in range(N):
if s[i]=='(':
level += 1
else:
level -= 1
L[i] = level
if level!=2 and level!=-2:
print(0)
quit()
... | output | 1 | 45 | 21 | 91 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters '1' and '+' betwe... | instruction | 0 | 46 | 21 | 92 |
Tags: implementation
Correct Solution:
```
n = int(input())
s = input().strip()
a = [0] * (n + 1)
m = [0] * (n + 1)
for i in range(n):
a[i] = a[i-1] + (1 if s[i] == "(" else -1)
m[i] = min(m[i-1], a[i])
ans = 0
mm = a[n - 1]
for j in range(n - 1, -1, -1):
mm = min(mm, a[j])
if s[j] == "(":
ans +... | output | 1 | 46 | 21 | 93 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters '1' and '+' betwe... | instruction | 0 | 47 | 21 | 94 |
Tags: implementation
Correct Solution:
```
n = int(input())
s = input()
diff, cura, curb = [], 0, 0
for item in s:
if item == '(':
cura += 1
else:
curb += 1
diff.append(cura - curb)
if diff[-1] == 2:
if min(diff) < 0:
print(0)
else:
ans = 0
for i in range(n-... | output | 1 | 47 | 21 | 95 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters '1' and '+' betwe... | instruction | 0 | 48 | 21 | 96 |
Tags: implementation
Correct Solution:
```
n = int(input())
s = input()
if n % 2 == 1:
print(0)
else:
a, b, diff = [], [], []
cura, curb = 0, 0
for item in s:
if item == '(':
cura += 1
else:
curb += 1
a.append(cura)
b.append(curb)
cur_diff... | output | 1 | 48 | 21 | 97 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters '1' and '+' betwe... | instruction | 0 | 49 | 21 | 98 |
Tags: implementation
Correct Solution:
```
import sys
def main():
_ = sys.stdin.readline()
s = sys.stdin.readline().strip()
prefix = [0] * (len(s) + 1)
canPrefix = [True] * (len(s) + 1)
count = 0
for i, c in enumerate(s):
count = count+1 if c == '(' else count-1
isPossible = Tr... | output | 1 | 49 | 21 | 99 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters '1' and '+' betwe... | instruction | 0 | 50 | 21 | 100 |
Tags: implementation
Correct Solution:
```
def ii():
return int(input())
def mi():
return map(int, input().split())
def li():
return list(mi())
n = ii()
s = input().strip()
a = [0] * (n + 1)
m = [0] * (n + 1)
for i in range(n):
a[i] = a[i - 1] + (1 if s[i] == '(' else -1)
m[i] = min(m[i - 1], a[i])... | output | 1 | 50 | 21 | 101 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters '1' and '+' betwe... | instruction | 0 | 51 | 21 | 102 |
Tags: implementation
Correct Solution:
```
# Created by nikita at 30/12/2018
n = int(input())
s = input()
prefBal = [0] * n
prefBal.append(0)
prefCan = [False] * n
prefCan.append(True)
suffBal = [0] * n
suffBal.append(0)
suffCan = [False] * n
suffCan.append(True)
currBal = 0
currCan = True
for i in range(n):
if ... | output | 1 | 51 | 21 | 103 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting characters '1' and '+' betwe... | instruction | 0 | 52 | 21 | 104 |
Tags: implementation
Correct Solution:
```
def main():
n = int(input())
s = ' ' + input()
a = [0] * (n + 1)
for i in range(1, n + 1):
if s[i] == '(':
a[i] = a[i - 1] + 1
else:
a[i] = a[i - 1] - 1
# print(a) # debug
if a[n] != 2 and a[n] != -2:
print(0)
return
if min(a) < -2:
print(0)
return
if... | output | 1 | 52 | 21 | 105 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expre... | instruction | 0 | 53 | 21 | 106 |
Yes | output | 1 | 53 | 21 | 107 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expre... | instruction | 0 | 54 | 21 | 108 |
Yes | output | 1 | 54 | 21 | 109 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expre... | instruction | 0 | 55 | 21 | 110 |
Yes | output | 1 | 55 | 21 | 111 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expre... | instruction | 0 | 56 | 21 | 112 |
Yes | output | 1 | 56 | 21 | 113 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expre... | instruction | 0 | 57 | 21 | 114 |
No | output | 1 | 57 | 21 | 115 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expre... | instruction | 0 | 58 | 21 | 116 |
No | output | 1 | 58 | 21 | 117 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expre... | instruction | 0 | 59 | 21 | 118 |
No | output | 1 | 59 | 21 | 119 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.
A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expre... | instruction | 0 | 60 | 21 | 120 |
No | output | 1 | 60 | 21 | 121 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alex was programming while Valentina (his toddler daughter) got there and started asking many questions about the round brackets (or parenthesis) in the code. He explained her a bit and when she... | instruction | 0 | 442 | 21 | 884 |
No | output | 1 | 442 | 21 | 885 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alex was programming while Valentina (his toddler daughter) got there and started asking many questions about the round brackets (or parenthesis) in the code. He explained her a bit and when she... | instruction | 0 | 443 | 21 | 886 |
No | output | 1 | 443 | 21 | 887 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alex was programming while Valentina (his toddler daughter) got there and started asking many questions about the round brackets (or parenthesis) in the code. He explained her a bit and when she... | instruction | 0 | 444 | 21 | 888 |
No | output | 1 | 444 | 21 | 889 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alex was programming while Valentina (his toddler daughter) got there and started asking many questions about the round brackets (or parenthesis) in the code. He explained her a bit and when she... | instruction | 0 | 445 | 21 | 890 |
No | output | 1 | 445 | 21 | 891 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, while ')(', '(()', and '(()))(' are not.
You are... | instruction | 0 | 1,083 | 21 | 2,166 |
Tags: constructive algorithms, greedy
Correct Solution:
```
from sys import stdin, stdout
t = int(stdin.readline())
for _ in range(t):
n = int(stdin.readline())
s = stdin.readline(n)
stdin.readline(1)
if s[0] == '0' or s[n-1] == '0':
stdout.write("NO\n")
continue
a = []
b =... | output | 1 | 1,083 | 21 | 2,167 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, while ')(', '(()', and '(()))(' are not.
You are... | instruction | 0 | 1,084 | 21 | 2,168 |
Tags: constructive algorithms, greedy
Correct Solution:
```
import sys,functools,collections,bisect,math,heapq
input = sys.stdin.readline
#print = sys.stdout.write
sys.setrecursionlimit(200000)
mod = 10**9 + 7
t = int(input())
for _ in range(t):
n = int(input())
s = input().strip()
if s[0] == '0' or s... | output | 1 | 1,084 | 21 | 2,169 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, while ')(', '(()', and '(()))(' are not.
You are... | instruction | 0 | 1,085 | 21 | 2,170 |
Tags: constructive algorithms, greedy
Correct Solution:
```
import sys
input = sys.stdin.readline
def main():
n = int(input())
S = input().strip()
l = S.count("1")
o = S.count("0")
if l % 2 == 1:
print("NO")
return
if S[0] == "0" or S[-1] == "0":
print("NO")
retu... | output | 1 | 1,085 | 21 | 2,171 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, while ')(', '(()', and '(()))(' are not.
You are... | instruction | 0 | 1,086 | 21 | 2,172 |
Tags: constructive algorithms, greedy
Correct Solution:
```
import sys
input=sys.stdin.readline
t=int(input())
for _ in range(t):
n=int(input())
s=input()
a=[]
b=[]
count1=0
for i in range(n):
if s[i]=='1':
count1+=1
count0=n-count1
if count0%2:
print('NO')
continue
leftbr0=count0... | output | 1 | 1,086 | 21 | 2,173 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, while ')(', '(()', and '(()))(' are not.
You are... | instruction | 0 | 1,087 | 21 | 2,174 |
Tags: constructive algorithms, greedy
Correct Solution:
```
import time
#start_time = time.time()
#def TIME_(): print(time.time()-start_time)
import os, sys
from io import BytesIO, IOBase
from types import GeneratorType
from bisect import bisect_left, bisect_right
from collections import defaultdict as dd, deque as d... | output | 1 | 1,087 | 21 | 2,175 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, while ')(', '(()', and '(()))(' are not.
You are... | instruction | 0 | 1,088 | 21 | 2,176 |
Tags: constructive algorithms, greedy
Correct Solution:
```
#------------------Important Modules------------------#
from sys import stdin,stdout
from bisect import bisect_left as bl
from bisect import bisect_right as br
from heapq import *
from random import *
input=stdin.readline
prin=stdout.write
from random import s... | output | 1 | 1,088 | 21 | 2,177 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, while ')(', '(()', and '(()))(' are not.
You are... | instruction | 0 | 1,089 | 21 | 2,178 |
Tags: constructive algorithms, greedy
Correct Solution:
```
t=int(input())
for t1 in range(0,t):
n=int(input())
s=input()
if s[0]=='0' or s[-1]=='0':
print("NO")
else:
same=[]
diff=[]
for i in range(0,n):
if s[i]=='1':
same.append(i)
... | output | 1 | 1,089 | 21 | 2,179 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, while ')(', '(()', and '(()))(' are not.
You are... | instruction | 0 | 1,090 | 21 | 2,180 |
Tags: constructive algorithms, greedy
Correct Solution:
```
import sys
lines = sys.stdin.readlines()
lineidx = 0
def readLine():
global lineidx
s = lines[lineidx].strip()
lineidx += 1
return s
t = int(readLine())
for testcase in range(t):
n = int(readLine())
s = readLine()
cntone = s.count('1')
c... | output | 1 | 1,090 | 21 | 2,181 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, wh... | instruction | 0 | 1,091 | 21 | 2,182 |
Yes | output | 1 | 1,091 | 21 | 2,183 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, wh... | instruction | 0 | 1,092 | 21 | 2,184 |
Yes | output | 1 | 1,092 | 21 | 2,185 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, wh... | instruction | 0 | 1,093 | 21 | 2,186 |
Yes | output | 1 | 1,093 | 21 | 2,187 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, wh... | instruction | 0 | 1,094 | 21 | 2,188 |
Yes | output | 1 | 1,094 | 21 | 2,189 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, wh... | instruction | 0 | 1,095 | 21 | 2,190 |
No | output | 1 | 1,095 | 21 | 2,191 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, wh... | instruction | 0 | 1,096 | 21 | 2,192 |
No | output | 1 | 1,096 | 21 | 2,193 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, wh... | instruction | 0 | 1,097 | 21 | 2,194 |
No | output | 1 | 1,097 | 21 | 2,195 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A sequence of brackets is called balanced if one can turn it into a valid math expression by adding characters '+' and '1'. For example, sequences '(())()', '()', and '(()(()))' are balanced, wh... | instruction | 0 | 1,098 | 21 | 2,196 |
No | output | 1 | 1,098 | 21 | 2,197 |
Provide a correct Python 3 solution for this coding contest problem.
A bracket sequence is a string that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A and B in this order, for some non-empty bracket sequences... | instruction | 0 | 1,444 | 21 | 2,888 |
"Correct Solution:
```
def f():
N = int(input())
UP = []
DOWN = []
for _ in range(N):
S = input()
c = 0
minC = 0
for s in S:
if s == '(':
c += 1
else:
c -= 1
minC = min(minC, c)
if c >= 0:... | output | 1 | 1,444 | 21 | 2,889 |
Provide a correct Python 3 solution for this coding contest problem.
A bracket sequence is a string that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A and B in this order, for some non-empty bracket sequences... | instruction | 0 | 1,445 | 21 | 2,890 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
n = int(input())
br = [input().rstrip() for i in range(n)]
ls = []
numsum = 0
charge = 0
for i in range(n):
s = br[i]
need = 0
num = 0
for t in s:
if t == "(":
num += 1
else:
num -= 1
need = max(need,-num)
numsum += num
if ... | output | 1 | 1,445 | 21 | 2,891 |
Provide a correct Python 3 solution for this coding contest problem.
A bracket sequence is a string that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A and B in this order, for some non-empty bracket sequences... | instruction | 0 | 1,446 | 21 | 2,892 |
"Correct Solution:
```
N = int(input())
Up = []
Down = []
for _ in range(N):
S = input()
L = [0]
mi = 0
now = 0
for __ in range(len(S)):
if S[__] == '(':
now += 1
else:
now -= 1
mi = min(mi, now)
if now > 0:
Up.append((mi, now))
els... | output | 1 | 1,446 | 21 | 2,893 |
Provide a correct Python 3 solution for this coding contest problem.
A bracket sequence is a string that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A and B in this order, for some non-empty bracket sequences... | instruction | 0 | 1,447 | 21 | 2,894 |
"Correct Solution:
```
N=int(input())
S=[]
L=0
R=0
for i in range(N):
s=input()
n=len(s)
data=[s[j] for j in range(n)]
l=0
r=0
yabai=float("inf")
for j in range(n):
l+=(s[j]=="(")
r+=(s[j]==")")
yabai=min(l-r,yabai)
S.append([yabai,l-r])
L+=l
R+=r
if L!=R... | output | 1 | 1,447 | 21 | 2,895 |
Provide a correct Python 3 solution for this coding contest problem.
A bracket sequence is a string that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A and B in this order, for some non-empty bracket sequences... | instruction | 0 | 1,448 | 21 | 2,896 |
"Correct Solution:
```
n = int(input())
left = []
mid = []
midminus = []
right = []
L = []
R = []
for i in range(n):
s = input()
l = 0
r = 0
for x in s:
if x == '(':
l += 1
else:
if l > 0:
l -= 1
else:
r += 1
if l >... | output | 1 | 1,448 | 21 | 2,897 |
Provide a correct Python 3 solution for this coding contest problem.
A bracket sequence is a string that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A and B in this order, for some non-empty bracket sequences... | instruction | 0 | 1,449 | 21 | 2,898 |
"Correct Solution:
```
N = int(input())
#INF = float('inf')
def check(A):
th = 0 #高さの合計
for i in range(len(A)):
b = A[i][0]
h = A[i][1]
if th + b < 0:
return False
else:
th += h
return True
L = []
R = []
goukei = 0
for i in range(N):
temp = str(input())
b= 0 #最下点
h = 0 #ゴ... | output | 1 | 1,449 | 21 | 2,899 |
Provide a correct Python 3 solution for this coding contest problem.
A bracket sequence is a string that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A and B in this order, for some non-empty bracket sequences... | instruction | 0 | 1,450 | 21 | 2,900 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
N = int(input())
D, E = [], []
t,l = 0, 0
res = 0
for _ in range(N):
S = input().rstrip()
x,y = 0,0
for s in S:
if s=="(": x+=1
else: x=max(x-1,0)
for s in reversed(S):
if s==")": y+=1
else: y=max(y-1,0)
D.a... | output | 1 | 1,450 | 21 | 2,901 |
Provide a correct Python 3 solution for this coding contest problem.
A bracket sequence is a string that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A and B in this order, for some non-empty bracket sequences... | instruction | 0 | 1,451 | 21 | 2,902 |
"Correct Solution:
```
n = int(input())
ls, rs = [], []
def check(sl):
h = 0
for t in sl:
b = h + t[0]
if b < 0:
return False
h += t[1]
return True
total = 0
for i in range(n):
b, h = 0, 0
S = input()
for s in S:
if s == '(':
h += 1
... | output | 1 | 1,451 | 21 | 2,903 |
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 that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A a... | instruction | 0 | 1,452 | 21 | 2,904 |
Yes | output | 1 | 1,452 | 21 | 2,905 |
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 that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A a... | instruction | 0 | 1,453 | 21 | 2,906 |
Yes | output | 1 | 1,453 | 21 | 2,907 |
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 that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A a... | instruction | 0 | 1,454 | 21 | 2,908 |
Yes | output | 1 | 1,454 | 21 | 2,909 |
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 that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A a... | instruction | 0 | 1,455 | 21 | 2,910 |
Yes | output | 1 | 1,455 | 21 | 2,911 |
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 that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A a... | instruction | 0 | 1,456 | 21 | 2,912 |
No | output | 1 | 1,456 | 21 | 2,913 |
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 that is one of the following:
1. An empty string;
2. The concatenation of `(`, A, and `)` in this order, for some bracket sequence A ;
3. The concatenation of A a... | instruction | 0 | 1,457 | 21 | 2,914 |
No | output | 1 | 1,457 | 21 | 2,915 |
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