message stringlengths 2 433k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 113 108k | cluster float64 12 12 | __index_level_0__ int64 226 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a frequency operation in the conversion operation of a finite number sequence. The conversion result of the sequence $ S = \\ {s_1, s_2, ... s_n \\} $ is a sequence of the same length. ... | instruction | 0 | 44,563 | 12 | 89,126 |
No | output | 1 | 44,563 | 12 | 89,127 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a frequency operation in the conversion operation of a finite number sequence. The conversion result of the sequence $ S = \\ {s_1, s_2, ... s_n \\} $ is a sequence of the same length. ... | instruction | 0 | 44,564 | 12 | 89,128 |
No | output | 1 | 44,564 | 12 | 89,129 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a frequency operation in the conversion operation of a finite number sequence. The conversion result of the sequence $ S = \\ {s_1, s_2, ... s_n \\} $ is a sequence of the same length. ... | instruction | 0 | 44,565 | 12 | 89,130 |
No | output | 1 | 44,565 | 12 | 89,131 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a frequency operation in the conversion operation of a finite number sequence. The conversion result of the sequence $ S = \\ {s_1, s_2, ... s_n \\} $ is a sequence of the same length. ... | instruction | 0 | 44,566 | 12 | 89,132 |
No | output | 1 | 44,566 | 12 | 89,133 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are a given a list of integers a_1, a_2, …, a_n and s of its segments [l_j; r_j] (where 1 ≤ l_j ≤ r_j ≤ n).
You need to select exactly m segments in such a way that the k-th order statistic of the multiset of a_i, where i is contained i... | instruction | 0 | 44,626 | 12 | 89,252 |
Tags: binary search, dp
Correct Solution:
```
n, s, m, k = map(int, input().split())
a = list(map(int, input().split()))
nt = [-1 for i in range(n+1)]
for i in range(s):
l, r = map(int, input().split())
l-=1
for j in range(l, r):
nt[j] = max(nt[j], r)
dp = [[0 for i in range(m+1)] for i in range(n+1)]
sum = [0 f... | output | 1 | 44,626 | 12 | 89,253 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are a given a list of integers a_1, a_2, …, a_n and s of its segments [l_j; r_j] (where 1 ≤ l_j ≤ r_j ≤ n).
You need to select exactly m segments in such a way that the k-th order statistic... | instruction | 0 | 44,627 | 12 | 89,254 |
No | output | 1 | 44,627 | 12 | 89,255 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are a given a list of integers a_1, a_2, …, a_n and s of its segments [l_j; r_j] (where 1 ≤ l_j ≤ r_j ≤ n).
You need to select exactly m segments in such a way that the k-th order statistic... | instruction | 0 | 44,628 | 12 | 89,256 |
No | output | 1 | 44,628 | 12 | 89,257 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Drazil likes heap very much. So he created a problem with heap:
There is a max heap with a height h implemented on the array. The details of this heap are the following:
This heap contains exactly 2^h - 1 distinct positive non-zero integer... | instruction | 0 | 44,734 | 12 | 89,468 |
Tags: constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
import io, os
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
T = int(input())
for _ in range(T):
H, G = map(int, input().split())
A = [0] + list(map(int, input().split()))
N = len(A)
target_N = 2**G... | output | 1 | 44,734 | 12 | 89,469 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Drazil likes heap very much. So he created a problem with heap:
There is a max heap with a height h implemented on the array. The details of this heap are the following:
This heap contains exactly 2^h - 1 distinct positive non-zero integer... | instruction | 0 | 44,735 | 12 | 89,470 |
Tags: constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
import io
import os
import sys
# sys.stdin = open('input.txt', 'r')
# sys.stdout = open('output.txt', 'w')
fileno = sys.stdin.fileno()
input = io.BytesIO(
os.read(fileno, os.fstat(fileno).st_size)
).readline
T = int(input(... | output | 1 | 44,735 | 12 | 89,471 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Drazil likes heap very much. So he created a problem with heap:
There is a max heap with a height h implemented on the array. The details of this heap are the following:
This heap contains exa... | instruction | 0 | 44,736 | 12 | 89,472 |
No | output | 1 | 44,736 | 12 | 89,473 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Drazil likes heap very much. So he created a problem with heap:
There is a max heap with a height h implemented on the array. The details of this heap are the following:
This heap contains exa... | instruction | 0 | 44,737 | 12 | 89,474 |
No | output | 1 | 44,737 | 12 | 89,475 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Drazil likes heap very much. So he created a problem with heap:
There is a max heap with a height h implemented on the array. The details of this heap are the following:
This heap contains exa... | instruction | 0 | 44,738 | 12 | 89,476 |
No | output | 1 | 44,738 | 12 | 89,477 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Drazil likes heap very much. So he created a problem with heap:
There is a max heap with a height h implemented on the array. The details of this heap are the following:
This heap contains exa... | instruction | 0 | 44,739 | 12 | 89,478 |
No | output | 1 | 44,739 | 12 | 89,479 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a sequence of numbers. You are to find it's shor... | instruction | 0 | 44,863 | 12 | 89,726 |
Tags: constructive algorithms, greedy
Correct Solution:
```
import sys
from array import array # noqa: F401
def input():
return sys.stdin.buffer.readline().decode('utf-8')
n = int(input())
a = list(map(int, input().split()))
left_min = [(a[0], 0)] + [(10**9, -1)] * n
right_min = [(10**9, -1)] * (n - 1) + [(a[... | output | 1 | 44,863 | 12 | 89,727 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a sequence of numbers. You are to find it's shor... | instruction | 0 | 44,864 | 12 | 89,728 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n=int(input())
mas = list(map(int,input().split(" ")))
res=[1]
p=0
for i in range(n-1):
if mas[i]>mas[i+1]:
if p==-1:
res.append(i+1)
res.append(i+2)
p=1
if mas[i]<mas[i+1]:
if p==1:
res.a... | output | 1 | 44,864 | 12 | 89,729 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a sequence of numbers. You are to find it's shor... | instruction | 0 | 44,865 | 12 | 89,730 |
Tags: constructive algorithms, greedy
Correct Solution:
```
def main():
count=int(input())
arr=input().split(" ")
if count<=2:
print(0)
else:
base=int(arr[0])
bo=True
for x in range(1,count-1):
test=int(arr[x])
if test<base:
smalles... | output | 1 | 44,865 | 12 | 89,731 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a sequence of numbers. You are to find it's shor... | instruction | 0 | 44,866 | 12 | 89,732 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
b = list(sorted(a))
c = list(sorted(a, reverse=True))
if a == b or a == c:
print(0)
exit()
ans = []
for i in range(n):
if i < n - 1 and ans == [] and a[i] < a[i + 1]:
ans.append(i)
... | output | 1 | 44,866 | 12 | 89,733 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a sequence of numbers. You are to find it's shor... | instruction | 0 | 44,867 | 12 | 89,734 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
arr = [int(x) for x in str(input()).split()]
def issorted(a,b,c):
return a<=b<=c or a>=b>=c
def solve():
mn ,mx = arr[0],arr[0]
minind,maxind= 0,0
order = [(minind,mn),(maxind,mx)]
for i in range(1,n):
if not issorted(... | output | 1 | 44,867 | 12 | 89,735 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a sequence of numbers. You are to find it's shor... | instruction | 0 | 44,868 | 12 | 89,736 |
Tags: constructive algorithms, greedy
Correct Solution:
```
from sys import stdin, stdout, setrecursionlimit
input = stdin.readline
# import string
# characters = string.ascii_lowercase
# digits = string.digits
# setrecursionlimit(int(1e6))
# dir = [-1,0,1,0,-1]
# moves = 'NESW'
inf = float('inf')
from functools import... | output | 1 | 44,868 | 12 | 89,737 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a sequence of numbers. You are to find it's shor... | instruction | 0 | 44,869 | 12 | 89,738 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
index = [1]
flag = 0
for i in range(1, n):
m = len(index)
t = a[index[m - 1] - 1]
if a[i] > t:
if flag != -1:
flag = -1
index.append(i + 1)
else:
... | output | 1 | 44,869 | 12 | 89,739 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a sequence of numbers. You are to find it's shor... | instruction | 0 | 44,870 | 12 | 89,740 |
Tags: constructive algorithms, greedy
Correct Solution:
```
from sys import stdin, stdout
from random import randrange
n = int(stdin.readline())
challengers = list(map(int, stdin.readline().split()))
l, r = 0, len(challengers) - 1
ans = ''
if (n < 3 or sorted(challengers) == challengers or sorted(challengers) == cha... | output | 1 | 44,870 | 12 | 89,741 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a... | instruction | 0 | 44,871 | 12 | 89,742 |
Yes | output | 1 | 44,871 | 12 | 89,743 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a... | instruction | 0 | 44,872 | 12 | 89,744 |
Yes | output | 1 | 44,872 | 12 | 89,745 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a... | instruction | 0 | 44,873 | 12 | 89,746 |
Yes | output | 1 | 44,873 | 12 | 89,747 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a... | instruction | 0 | 44,874 | 12 | 89,748 |
Yes | output | 1 | 44,874 | 12 | 89,749 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a... | instruction | 0 | 44,875 | 12 | 89,750 |
No | output | 1 | 44,875 | 12 | 89,751 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a... | instruction | 0 | 44,876 | 12 | 89,752 |
No | output | 1 | 44,876 | 12 | 89,753 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a... | instruction | 0 | 44,877 | 12 | 89,754 |
No | output | 1 | 44,877 | 12 | 89,755 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The sequence is called ordered if it is non-decreasing or non-increasing. For example, sequnces [3, 1, 1, 0] and [1, 2, 3, 100] are ordered, but the sequence [1, 3, 3, 1] is not. You are given a... | instruction | 0 | 44,878 | 12 | 89,756 |
No | output | 1 | 44,878 | 12 | 89,757 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation of n numbers p1, p2, ..., pn. We perform k operations of the following type: choose uniformly at random two indices l and r (l ≤ r) and reverse the order of the elements pl, pl + 1, ..., pr. Your task is to find t... | instruction | 0 | 44,951 | 12 | 89,902 |
Tags: dp, probabilities
Correct Solution:
```
f = lambda: map(int, input().split())
g = lambda k: k * k - k >> 1
n, k = f()
p = list(f())
a = [[0] * n for i in range(n)]
for i in range(n):
for j in range(i + 1, n):
if p[i] > p[j]: a[i][j] = 1
else: a[j][i] = 1
for t in range(k):
b = [[0] * n ... | output | 1 | 44,951 | 12 | 89,903 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a permutation of n numbers p1, p2, ..., pn. We perform k operations of the following type: choose uniformly at random two indices l and r (l ≤ r) and reverse the order of the eleme... | instruction | 0 | 44,952 | 12 | 89,904 |
No | output | 1 | 44,952 | 12 | 89,905 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first element of a, push it into s and remove it from... | instruction | 0 | 45,119 | 12 | 90,238 |
Tags: constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
import sys
n,k = map(int,input().split())
a = list(map(int,input().split()))
setofa = set(a)
s = []
f= False
ai = 0
ans = []
for i in range(1, n+1):
if i in setofa:
while ai < k and (len(s)==0 or s[-1]!=i):
s.appe... | output | 1 | 45,119 | 12 | 90,239 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first element of a, push it into s and remove it from... | instruction | 0 | 45,120 | 12 | 90,240 |
Tags: constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
n, k = map(int, input().split(' '))
p = list(map(int, input().split(' ')))
i = 0
s = []
cur = 1
solution = list(p)
while True:
if len(s) > 0 and s[-1] == cur:
cur += 1
s.pop()
elif i < len(p):
i... | output | 1 | 45,120 | 12 | 90,241 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first element of a, push it into s and remove it from... | instruction | 0 | 45,121 | 12 | 90,242 |
Tags: constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
import sys
#f = open('input', 'r')
f = sys.stdin
n,k = list(map(int, f.readline().split()))
a = list(map(int, f.readline().split()))
aset = set(a)
st = []
failed = False
ai = 0
app = []
for p in range(1, n+1):
if p in aset:
... | output | 1 | 45,121 | 12 | 90,243 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first element of a, push it into s and remove it from... | instruction | 0 | 45,122 | 12 | 90,244 |
Tags: constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
import sys
input = sys.stdin.buffer.readline
n,k = map(int,input().split())
p = list(map(int,input().split()))
blocks = [[1,n]]
fail = 0
for i in range(k):
if blocks[-1][0] <= p[i] <= blocks[-1][1]:
if p[i] == bl... | output | 1 | 45,122 | 12 | 90,245 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first element of a, push it into s and remove it from... | instruction | 0 | 45,123 | 12 | 90,246 |
Tags: constructive algorithms, data structures, greedy, implementation
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**15
mod = 10**9+7
def LI(): return [int(x) for x in sys.stdin.re... | output | 1 | 45,123 | 12 | 90,247 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first element of a, push it into s and remove it from... | instruction | 0 | 45,124 | 12 | 90,248 |
Tags: constructive algorithms, data structures, greedy, implementation
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) & 0x55555... | output | 1 | 45,124 | 12 | 90,249 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first element of a, push it into s and remove it from... | instruction | 0 | 45,125 | 12 | 90,250 |
Tags: constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable ... | output | 1 | 45,125 | 12 | 90,251 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first element of a, push it into s and remove it from... | instruction | 0 | 45,126 | 12 | 90,252 |
Tags: constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
import sys
f=sys.stdin
n,k=map(int,f.readline().split())
s,t=[n+1],1
a=list(map(int,f.readline().split()))
for i in range(n):
if i>=k:
a+=[s[-1]-1]
s+=[a[i]]
while (len(s)!=0) and (s[-1]==t):
s.pop()
t+=1
if len(s):
p... | output | 1 | 45,126 | 12 | 90,253 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first ... | instruction | 0 | 45,127 | 12 | 90,254 |
Yes | output | 1 | 45,127 | 12 | 90,255 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first ... | instruction | 0 | 45,128 | 12 | 90,256 |
Yes | output | 1 | 45,128 | 12 | 90,257 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first ... | instruction | 0 | 45,129 | 12 | 90,258 |
Yes | output | 1 | 45,129 | 12 | 90,259 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first ... | instruction | 0 | 45,130 | 12 | 90,260 |
Yes | output | 1 | 45,130 | 12 | 90,261 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first ... | instruction | 0 | 45,131 | 12 | 90,262 |
No | output | 1 | 45,131 | 12 | 90,263 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first ... | instruction | 0 | 45,132 | 12 | 90,264 |
No | output | 1 | 45,132 | 12 | 90,265 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first ... | instruction | 0 | 45,133 | 12 | 90,266 |
No | output | 1 | 45,133 | 12 | 90,267 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's suppose you have an array a, a stack s (initially empty) and an array b (also initially empty).
You may perform the following operations until both a and s are empty:
* Take the first ... | instruction | 0 | 45,134 | 12 | 90,268 |
No | output | 1 | 45,134 | 12 | 90,269 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a permutation of 1,2,...,N: p_1,p_2,...,p_N. Determine if the state where p_i=i for every i can be reached by performing the following operation any number of times:
* Choose three elements p_{i-1},p_{i},p_{i+1} (2\leq i\leq N-1) such ... | instruction | 0 | 45,239 | 12 | 90,478 |
"Correct Solution:
```
def Split(a):
no = []
for i, x in a:
if no and (i == x) == (no[-1][0] == no[-1][1]):
yield no
no = []
no.append((i, x))
yield no
for sq in Split((i + 1, int(input())) for i in range(int(input()))):
tb = [0, 0]
for np, goal in sq:
... | output | 1 | 45,239 | 12 | 90,479 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a permutation of 1,2,...,N: p_1,p_2,...,p_N. Determine if the state where p_i=i for every i can be reached by performing the following operation any number of times:
* Choose three elements p_{i-1},p_{i},p_{i+1} (2\leq i\leq N-1) such ... | instruction | 0 | 45,240 | 12 | 90,480 |
"Correct Solution:
```
def Split(a):
no = []
for i, x in a:
if no:
is_ok = i == x
la_ok = no[-1][0] == no[-1][1]
if is_ok == la_ok:
yield no
no = []
no.append((i, x))
yield no
n = int(input())
p = list(enumerate((int(input(... | output | 1 | 45,240 | 12 | 90,481 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a permutation of 1,2,...,N: p_1,p_2,...,p_N. Determine if the state where p_i=i for every i can be reached by performing the following operation any number of times:
* Choose three elements p_{i-1},p_{i},p_{i+1} (2\leq i\leq N-1) such ... | instruction | 0 | 45,241 | 12 | 90,482 |
"Correct Solution:
```
import sys
def solve(ppp):
section_start = -1
moved_left_max = 0
moved_right_max = 0
prev = True
for i, p in enumerate(ppp, start=1):
if i == p:
if prev:
moved_left_max = 0
moved_right_max = 0
section_start... | output | 1 | 45,241 | 12 | 90,483 |
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