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.
You are given an array a_1, a_2, ..., a_n and an array b_1, b_2, ..., b_n.
For one operation you can sort in non-decreasing order any subarray a[l ... r] of the array a.
For example, if a = [4... | instruction | 0 | 63,214 | 12 | 126,428 |
Yes | output | 1 | 63,214 | 12 | 126,429 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n and an array b_1, b_2, ..., b_n.
For one operation you can sort in non-decreasing order any subarray a[l ... r] of the array a.
For example, if a = [4... | instruction | 0 | 63,215 | 12 | 126,430 |
Yes | output | 1 | 63,215 | 12 | 126,431 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n and an array b_1, b_2, ..., b_n.
For one operation you can sort in non-decreasing order any subarray a[l ... r] of the array a.
For example, if a = [4... | instruction | 0 | 63,216 | 12 | 126,432 |
Yes | output | 1 | 63,216 | 12 | 126,433 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n and an array b_1, b_2, ..., b_n.
For one operation you can sort in non-decreasing order any subarray a[l ... r] of the array a.
For example, if a = [4... | instruction | 0 | 63,217 | 12 | 126,434 |
No | output | 1 | 63,217 | 12 | 126,435 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n and an array b_1, b_2, ..., b_n.
For one operation you can sort in non-decreasing order any subarray a[l ... r] of the array a.
For example, if a = [4... | instruction | 0 | 63,218 | 12 | 126,436 |
No | output | 1 | 63,218 | 12 | 126,437 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n and an array b_1, b_2, ..., b_n.
For one operation you can sort in non-decreasing order any subarray a[l ... r] of the array a.
For example, if a = [4... | instruction | 0 | 63,219 | 12 | 126,438 |
No | output | 1 | 63,219 | 12 | 126,439 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a_1, a_2, ..., a_n and an array b_1, b_2, ..., b_n.
For one operation you can sort in non-decreasing order any subarray a[l ... r] of the array a.
For example, if a = [4... | instruction | 0 | 63,220 | 12 | 126,440 |
No | output | 1 | 63,220 | 12 | 126,441 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blac... | instruction | 0 | 63,223 | 12 | 126,446 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
'''input
5
'''
from sys import stdin
import heapq
def check(arr):
arr = arr + arr
# print(arr)
myset = set()
temp = sum(arr[:n])
myset.add(temp)
for i in range(1, 2 *n):
temp -= arr[i]
temp += arr[i + n]
myset.add(temp)
if len(myset) <= 2:... | output | 1 | 63,223 | 12 | 126,447 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blac... | instruction | 0 | 63,224 | 12 | 126,448 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
n = int(input())
if n % 2 == 0:
print('NO')
else:
print('YES')
l = 1
r = 2 * n
while True:
if l < r:
print(l, end= ' ')
else:
break
if l < r - 2:
print(r, end=' ')
l ... | output | 1 | 63,224 | 12 | 126,449 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blac... | instruction | 0 | 63,225 | 12 | 126,450 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
n = int(input())
if n%2 == 0:
print("NO")
else:
print("YES")
a = []
b = []
for i in range(1, 2*n+1, 2):
if i//2%2 == 0:
a += [i]
b += [i+1]
else:
b += [i]
a += [i+1]
print(*a, *b)
``` | output | 1 | 63,225 | 12 | 126,451 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blac... | instruction | 0 | 63,226 | 12 | 126,452 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
n=int(input())
if n%2==0:
print('NO')
else:
print('YES')
ans=1
c=3
for i in range(n):
if i==0:
print(ans,end=' ')
else:
print(ans+c,end=' ')
ans=ans+c
c=1 if c==3 else 3
... | output | 1 | 63,226 | 12 | 126,453 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blac... | instruction | 0 | 63,228 | 12 | 126,456 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
import math
# helpful:
# r,g,b=map(int,input().split())
#list1 = input().split()
#for i in range(len(list1)):
# list1[i] = int(list1[i])
# print(list1)
# arr = [[0 for x in range(columns)] for y in range(rows)]
n = int(input())
if(n % 2 == 0):
pri... | output | 1 | 63,228 | 12 | 126,457 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a permutation of length 5.
For a given number n (... | instruction | 0 | 63,285 | 12 | 126,570 |
Tags: constructive algorithms
Correct Solution:
```
# [2,4,1,3]
# [2,4,1,3] + [5]
# [2,4,1,5] + [3,6]
# [2,4,1,5] + [3,6,7]
# [2,4,1,5] + [7,3,6]
t = int(input())
for _ in range(t):
A = []
n = int(input())
if n in [2,3]:
print(-1)
continue
for i in range(n//4):
A += [2 + i*4, 4... | output | 1 | 63,285 | 12 | 126,571 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a permutation of length 5.
For a given number n (... | instruction | 0 | 63,286 | 12 | 126,572 |
Tags: constructive algorithms
Correct Solution:
```
t=int(input())
for _ in range(t):
n=int(input())
temp=[]
if n<4:
print('-1')
continue
for i in range(n,0,-1):
if (i&1):
temp.append(i)
temp.append(4)
temp.append(2)
for i in range(6,n+1,2):
temp.append(i)
print(*temp)
``` | output | 1 | 63,286 | 12 | 126,573 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a permutation of length 5.
For a given number n (... | instruction | 0 | 63,287 | 12 | 126,574 |
Tags: constructive algorithms
Correct Solution:
```
t=int(input())
for T in range(t):
n=int(input())
if(n<=3):
print(-1)
else:
f=[y for y in range(2,n+1,4)]
m=[z for z in range(4,n+1,4)]
s=[x for x in range(1,n+1,2)]
ans=f+m[: :-1]+s
print(*ans)
``` | output | 1 | 63,287 | 12 | 126,575 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a permutation of length 5.
For a given number n (... | instruction | 0 | 63,288 | 12 | 126,576 |
Tags: constructive algorithms
Correct Solution:
```
for tc in range(int(input())):
n = int(input())
if n < 4:
print(-1)
continue
out = []
for i in range(2 * (n // 2) , 4, -2):
out.append(i)
out.append(2)
out.append(4)
for i in range(1, n + 1, 2):
ou... | output | 1 | 63,288 | 12 | 126,577 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a permutation of length 5.
For a given number n (... | instruction | 0 | 63,289 | 12 | 126,578 |
Tags: constructive algorithms
Correct Solution:
```
def main():
n = int(input())
if n <= 3:
print(-1)
return
s = 2
if n % 2:
s = 1
while s <= n:
print(s, end=" ")
s += 2
s -= 5
print(s, end=" ")
print(s+2, end=" ")
while s > 2:
s -= 2
... | output | 1 | 63,289 | 12 | 126,579 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a permutation of length 5.
For a given number n (... | instruction | 0 | 63,290 | 12 | 126,580 |
Tags: constructive algorithms
Correct Solution:
```
for _ in range(int(input())):
n=int(input())
if(n<4):
print(-1)
else:
if n%2!=0:
if n==5:
l=[1,3,5,2,4]
else:
l=[]
lodd=0
for i in range(1,n+1,2):
... | output | 1 | 63,290 | 12 | 126,581 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a permutation of length 5.
For a given number n (... | instruction | 0 | 63,291 | 12 | 126,582 |
Tags: constructive algorithms
Correct Solution:
```
t = int(input())
for _ in range(t):
out = []
works = True
n = int(input())
while n:
if n == 1:
out.append(1)
break
elif n == 2:
works = False
break
elif n == 3:
works =... | output | 1 | 63,291 | 12 | 126,583 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a permutation of length 5.
For a given number n (... | instruction | 0 | 63,292 | 12 | 126,584 |
Tags: constructive algorithms
Correct Solution:
```
# problem 3
T=int(input())
for _ in range(T):
N=int(input())
if N<4:
print(-1)
else:
d=[]
for i in range(N//2,2,-1):
d.append(2*i)
d.append(3)
d.append(1)
d.append(4)
d.append(2)
f... | output | 1 | 63,292 | 12 | 126,585 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a p... | instruction | 0 | 63,293 | 12 | 126,586 |
Yes | output | 1 | 63,293 | 12 | 126,587 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a p... | instruction | 0 | 63,294 | 12 | 126,588 |
Yes | output | 1 | 63,294 | 12 | 126,589 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a p... | instruction | 0 | 63,295 | 12 | 126,590 |
Yes | output | 1 | 63,295 | 12 | 126,591 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a p... | instruction | 0 | 63,296 | 12 | 126,592 |
Yes | output | 1 | 63,296 | 12 | 126,593 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a p... | instruction | 0 | 63,297 | 12 | 126,594 |
No | output | 1 | 63,297 | 12 | 126,595 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a p... | instruction | 0 | 63,298 | 12 | 126,596 |
No | output | 1 | 63,298 | 12 | 126,597 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a p... | instruction | 0 | 63,299 | 12 | 126,598 |
No | output | 1 | 63,299 | 12 | 126,599 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation of length n is an array p=[p_1,p_2,...,p_n], which contains every integer from 1 to n (inclusive) and, moreover, each number appears exactly once. For example, p=[3,1,4,2,5] is a p... | instruction | 0 | 63,300 | 12 | 126,600 |
No | output | 1 | 63,300 | 12 | 126,601 |
Provide tags and a correct Python 3 solution for this coding contest problem.
This is the easy version of this problem. The only difference between easy and hard versions is the constraints on k and m (in this version k=2 and m=3). Also, in this version of the problem, you DON'T NEED to output the answer by modulo.
Y... | instruction | 0 | 63,338 | 12 | 126,676 |
Tags: binary search, combinatorics, math, sortings, two pointers
Correct Solution:
```
# cook your dish here
from sys import stdin
for _ in range(int(stdin.readline())):
n=int(stdin.readline())
a=list(map(int,stdin.readline().split()))
a.sort()
j,c,e=0,0,0
for i in range(2,n):
while a[i]-a[j... | output | 1 | 63,338 | 12 | 126,677 |
Provide tags and a correct Python 3 solution for this coding contest problem.
This is the easy version of this problem. The only difference between easy and hard versions is the constraints on k and m (in this version k=2 and m=3). Also, in this version of the problem, you DON'T NEED to output the answer by modulo.
Y... | instruction | 0 | 63,339 | 12 | 126,678 |
Tags: binary search, combinatorics, math, sortings, two pointers
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
import math
from collections import defaultdict, deque
from itertools import combinations
import random
# to output - sys.stdout.write('{} {}\n'.format(*a))
BUFSIZE = 8192
class ... | output | 1 | 63,339 | 12 | 126,679 |
Provide tags and a correct Python 3 solution for this coding contest problem.
This is the easy version of this problem. The only difference between easy and hard versions is the constraints on k and m (in this version k=2 and m=3). Also, in this version of the problem, you DON'T NEED to output the answer by modulo.
Y... | instruction | 0 | 63,340 | 12 | 126,680 |
Tags: binary search, combinatorics, math, sortings, two pointers
Correct Solution:
```
#const
ans = []
#setting
# import sys
# sys.stdin = open('input.txt', 'r')
# sys.stdout = open('output.txt', 'w')
#import
import bisect
x_test = 1
if x_test == 0:
x_test = 1
else:
x_test = int(input())
def _main():
d... | output | 1 | 63,340 | 12 | 126,681 |
Provide tags and a correct Python 3 solution for this coding contest problem.
This is the easy version of this problem. The only difference between easy and hard versions is the constraints on k and m (in this version k=2 and m=3). Also, in this version of the problem, you DON'T NEED to output the answer by modulo.
Y... | instruction | 0 | 63,341 | 12 | 126,682 |
Tags: binary search, combinatorics, math, sortings, two pointers
Correct Solution:
```
import math
import string
import random
import sys
from random import randrange
from collections import deque
from collections import defaultdict
from bisect import bisect, bisect_right, bisect_left
def data(): return sys.stdin.readl... | output | 1 | 63,341 | 12 | 126,683 |
Provide tags and a correct Python 3 solution for this coding contest problem.
This is the easy version of this problem. The only difference between easy and hard versions is the constraints on k and m (in this version k=2 and m=3). Also, in this version of the problem, you DON'T NEED to output the answer by modulo.
Y... | instruction | 0 | 63,342 | 12 | 126,684 |
Tags: binary search, combinatorics, math, sortings, two pointers
Correct Solution:
```
'''Author- Akshit Monga'''
from sys import stdin,stdout
input=stdin.readline
t=int(input())
for _ in range(t):
n=int(input())
arr=[int(x) for x in input().split()]
vals=[0 for x in range(0,n+1)]
for i in arr:
vals[i]+=1
ans=0
... | output | 1 | 63,342 | 12 | 126,685 |
Provide tags and a correct Python 3 solution for this coding contest problem.
This is the easy version of this problem. The only difference between easy and hard versions is the constraints on k and m (in this version k=2 and m=3). Also, in this version of the problem, you DON'T NEED to output the answer by modulo.
Y... | instruction | 0 | 63,343 | 12 | 126,686 |
Tags: binary search, combinatorics, math, sortings, two pointers
Correct Solution:
```
import sys
input = sys.stdin.readline
def nc3(n):
return n * (n - 1) // 2
for _ in range(int(input())):
n = int(input())
a = sorted([*map(int,input().split())])
i = 0; j = 0; ans = 0
while i < n:
while ... | output | 1 | 63,343 | 12 | 126,687 |
Provide tags and a correct Python 3 solution for this coding contest problem.
This is the easy version of this problem. The only difference between easy and hard versions is the constraints on k and m (in this version k=2 and m=3). Also, in this version of the problem, you DON'T NEED to output the answer by modulo.
Y... | instruction | 0 | 63,344 | 12 | 126,688 |
Tags: binary search, combinatorics, math, sortings, two pointers
Correct Solution:
```
# Not my code
# https://codeforces.com/contest/1462/submission/101312768
import sys
input = lambda: sys.stdin.readline().rstrip()
from bisect import bisect_right
def main():
for _ in range(int(input())):
n=int(input())
... | output | 1 | 63,344 | 12 | 126,689 |
Provide tags and a correct Python 3 solution for this coding contest problem.
This is the easy version of this problem. The only difference between easy and hard versions is the constraints on k and m (in this version k=2 and m=3). Also, in this version of the problem, you DON'T NEED to output the answer by modulo.
Y... | instruction | 0 | 63,345 | 12 | 126,690 |
Tags: binary search, combinatorics, math, sortings, two pointers
Correct Solution:
```
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @oj: codeforces
# @id: hitwanyang
# @email: 296866643@qq.com
# @date: 2020/12/16 10:10
# @url: https://codeforc.es/contest/1462/problem/E1
import sys, os
from io import BytesIO, IOBase
... | output | 1 | 63,345 | 12 | 126,691 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The Little Elephant loves permutations of integers from 1 to n very much. But most of all he loves sorting them. To sort a permutation, the Little Elephant repeatedly swaps some elements. As a result, he must receive a permutation 1, 2, 3, .... | instruction | 0 | 63,422 | 12 | 126,844 |
Tags: dp, math, probabilities
Correct Solution:
```
inp = input().split(' ')
val=[];
totNums = int(inp[0]); totOpt = int(inp[1]);
inp = input().split(' '); #assert(len(inp) == totNums);
for it in inp: val.append(int(it))
dp = [[0.0 for _ in range(0,totNums)] for __ in range(0,totNums)]
for i in range(0,totNums):
... | output | 1 | 63,422 | 12 | 126,845 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Little Elephant loves permutations of integers from 1 to n very much. But most of all he loves sorting them. To sort a permutation, the Little Elephant repeatedly swaps some elements. As a r... | instruction | 0 | 63,423 | 12 | 126,846 |
No | output | 1 | 63,423 | 12 | 126,847 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the following inequality holds: <image>.
The lucky nu... | instruction | 0 | 63,424 | 12 | 126,848 |
Tags: data structures, implementation, two pointers
Correct Solution:
```
num=input()
nos=[int(x) for x in input().split()]
stack,ans=[],0
for n in nos:
while stack:
ans=max(ans,stack[-1]^n)
if stack[-1]>n:
break
else:
stack.pop()
stack.append(n)
print(ans)
``` | output | 1 | 63,424 | 12 | 126,849 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the following inequality holds: <image>.
The lucky nu... | instruction | 0 | 63,425 | 12 | 126,850 |
Tags: data structures, implementation, two pointers
Correct Solution:
```
from sys import stdin
n = int(stdin.readline())
s = list(map(int, stdin.readline().split()))
lucky = 0
stack = []
for i in s:
while stack:
lucky = max(lucky, stack[-1]^i)
if i > stack[-1]:
stack.pop()
... | output | 1 | 63,425 | 12 | 126,851 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the following inequality holds: <image>.
The lucky nu... | instruction | 0 | 63,426 | 12 | 126,852 |
Tags: data structures, implementation, two pointers
Correct Solution:
```
size=int(input())
array=list(map(int,input().split()))
mystack=[]
score=None
maxim=0
index=0
while index<size:
if (not mystack) or array[mystack[-1]]>array[index]:
mystack.append(index)
index+=1
else:
while myst... | output | 1 | 63,426 | 12 | 126,853 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the following inequality holds: <image>.
The lucky nu... | instruction | 0 | 63,427 | 12 | 126,854 |
Tags: data structures, implementation, two pointers
Correct Solution:
```
n = int(input())
arr = list(map(int, input().split()))
s = []
ans = 0
for i in range(n):
while s != []:
ans = max(ans,arr[i]^s[-1])
if arr[i] < s[-1]:
break
... | output | 1 | 63,427 | 12 | 126,855 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the following inequality holds: <image>.
The lucky nu... | instruction | 0 | 63,428 | 12 | 126,856 |
Tags: data structures, implementation, two pointers
Correct Solution:
```
from sys import stdin
lines, line_index = stdin.readlines(), -1
def get_line():
global lines, line_index
line_index += 1
return lines[line_index]
def main():
n = int(get_line())
seq = [int(x) for x in get_line().split()]
stack... | output | 1 | 63,428 | 12 | 126,857 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the following inequality holds: <image>.
The lucky nu... | instruction | 0 | 63,429 | 12 | 126,858 |
Tags: data structures, implementation, two pointers
Correct Solution:
```
n = int(input())
a = list(map(int,input().split()))
m = 0
stack = []
for i in a:
while stack:
m = max(m, stack[-1]^i)
if stack[-1]>i:
break
else:
stack.pop()
stack.append(i)
print(m)
`... | output | 1 | 63,429 | 12 | 126,859 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the following inequality holds: <image>.
The lucky nu... | instruction | 0 | 63,430 | 12 | 126,860 |
Tags: data structures, implementation, two pointers
Correct Solution:
```
from collections import deque
def ngr(a,n):
s=deque()
q=deque()
l=[]
for j in range(n-1,-1,-1):
if len(s)==0:
s.append(a[j])
else:
while len(s)!=0 and s[len(s)-1]<=a[j]:
... | output | 1 | 63,430 | 12 | 126,861 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the following inequality holds: <image>.
The lucky nu... | instruction | 0 | 63,431 | 12 | 126,862 |
Tags: data structures, implementation, two pointers
Correct Solution:
```
#http://codeforces.com/problemset/problem/281/D
#SC = TC = o(n)
n = int(input())
a = list(map(int, input().strip().split()))
stack = [] #decreasing stack
max_xor = 0
for k in range(n):
#if stack empty
if not stack:
stack.append(a[k])
#i... | output | 1 | 63,431 | 12 | 126,863 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the fol... | instruction | 0 | 63,432 | 12 | 126,864 |
Yes | output | 1 | 63,432 | 12 | 126,865 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the fol... | instruction | 0 | 63,433 | 12 | 126,866 |
Yes | output | 1 | 63,433 | 12 | 126,867 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the fol... | instruction | 0 | 63,434 | 12 | 126,868 |
Yes | output | 1 | 63,434 | 12 | 126,869 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bike loves looking for the second maximum element in the sequence. The second maximum element in the sequence of distinct numbers x1, x2, ..., xk (k > 1) is such maximum element xj, that the fol... | instruction | 0 | 63,435 | 12 | 126,870 |
Yes | output | 1 | 63,435 | 12 | 126,871 |
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