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.
Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been ... | instruction | 0 | 27,110 | 12 | 54,220 |
No | output | 1 | 27,110 | 12 | 54,221 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been ... | instruction | 0 | 27,111 | 12 | 54,222 |
No | output | 1 | 27,111 | 12 | 54,223 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:
* take two indices i and j such that 2 ⋅ |... | instruction | 0 | 27,477 | 12 | 54,954 |
Tags: constructive algorithms, sortings
Correct Solution:
```
n = int(input())
p = [i for i in map(int, input().split())]
actions = []
def swap(i, j):
p[i-1], p[j-1] = p[j-1], p[i-1]
actions.append(f"{i} {j}")
# print(i, j)
# print_(p)
def print_(p):
print("\t".join(map(str, p)))
i = 0
while i<n:
# print("curr... | output | 1 | 27,477 | 12 | 54,955 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:
* take two indices i and j such that 2 ⋅ |... | instruction | 0 | 27,478 | 12 | 54,956 |
Tags: constructive algorithms, sortings
Correct Solution:
```
n = int(input())
p = [*map(int, input().split())]
p = [i - 1 for i in p]
#print(p)
pos = {}
ans = []
for i, j in enumerate(p):
pos[j] = i
def swap(i, j):
ans.append((i + 1, j + 1))
pos[p[i]], pos[p[j]] = pos[p[j]], pos[p[i]]
p[i], p[j] =... | output | 1 | 27,478 | 12 | 54,957 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:
* take two indices i and j such that 2 ⋅ |... | instruction | 0 | 27,479 | 12 | 54,958 |
Tags: constructive algorithms, sortings
Correct Solution:
```
n=int(input())
a,b=[],[0]*n
for i,e in enumerate(input().split()):
a.append(int(e))
b[int(e)-1]=i
qu,ans=[],0
for i in range(n):
if a[i]==i+1:continue
j=b[i]
if j-i>=n//2:
qu.append((i+1,j+1))
ans+=1
elif j-i<n//2 and... | output | 1 | 27,479 | 12 | 54,959 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:
* take two indices i and j such that 2 ⋅ |... | instruction | 0 | 27,480 | 12 | 54,960 |
Tags: constructive algorithms, sortings
Correct Solution:
```
input()
p=[int(x)-1 for x in input().split()]
pos=[0] * len(p)
for i, x in enumerate(p):
pos[x]=i
# print(pos)
ans = []
for i, x in enumerate(p):
# print('i, x', i, x)
if i == x:
continue
# find x
i_pos = pos[i]
# print('i, i_... | output | 1 | 27,480 | 12 | 54,961 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:
* take two indices i and j such that 2 ⋅ |... | instruction | 0 | 27,481 | 12 | 54,962 |
Tags: constructive algorithms, sortings
Correct Solution:
```
import bisect
import decimal
from decimal import Decimal
import os
from collections import Counter
import bisect
from collections import defaultdict
import math
import random
import heapq
from math import sqrt
import sys
from functools import reduce, cmp_to... | output | 1 | 27,481 | 12 | 54,963 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:
* take two indices i and j such that 2 ⋅ |... | instruction | 0 | 27,482 | 12 | 54,964 |
Tags: constructive algorithms, sortings
Correct Solution:
```
def fastio():
import sys
from io import StringIO
from atexit import register
global input
sys.stdin = StringIO(sys.stdin.read())
input = lambda : sys.stdin.readline().rstrip('\r\n')
sys.stdout = StringIO()
register(lambda : s... | output | 1 | 27,482 | 12 | 54,965 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:
* take two indices i and j such that 2 ⋅ |... | instruction | 0 | 27,483 | 12 | 54,966 |
Tags: constructive algorithms, sortings
Correct Solution:
```
n=int(input())
l=list(map(int,input().split()))
ll=[-1]*(n+1)
for i in range(n):
ll[l[i]]=i
res=[]
#print(ll)
for k in range(1,n+1):
i=k
j=ll[k]
#print(i,j+1)
if(2*abs((j+1)-i)>=n):
res.append((i,j+1))
l[i-1],l[j]=l[j],l[i... | output | 1 | 27,483 | 12 | 54,967 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a permutation p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:
* take two indices i and j such that 2 ⋅ |... | instruction | 0 | 27,484 | 12 | 54,968 |
Tags: constructive algorithms, sortings
Correct Solution:
```
from sys import stdin
input = stdin.readline
n = int(input())
a = list(map(int, input().split()))
a = [0] + a
cnt = 0
res = []
def swap(i: int, j: int):
a[i], a[j] = a[j], a[i]
pos = [0] * (n + 1)
for i in range(1, n + 1):
pos[a[i]] = i # the p... | output | 1 | 27,484 | 12 | 54,969 |
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 p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:... | instruction | 0 | 27,485 | 12 | 54,970 |
Yes | output | 1 | 27,485 | 12 | 54,971 |
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 p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:... | instruction | 0 | 27,486 | 12 | 54,972 |
Yes | output | 1 | 27,486 | 12 | 54,973 |
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 p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:... | instruction | 0 | 27,487 | 12 | 54,974 |
Yes | output | 1 | 27,487 | 12 | 54,975 |
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 p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:... | instruction | 0 | 27,488 | 12 | 54,976 |
Yes | output | 1 | 27,488 | 12 | 54,977 |
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 p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:... | instruction | 0 | 27,489 | 12 | 54,978 |
No | output | 1 | 27,489 | 12 | 54,979 |
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 p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:... | instruction | 0 | 27,490 | 12 | 54,980 |
No | output | 1 | 27,490 | 12 | 54,981 |
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 p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:... | instruction | 0 | 27,491 | 12 | 54,982 |
No | output | 1 | 27,491 | 12 | 54,983 |
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 p of integers from 1 to n, where n is an even number.
Your goal is to sort the permutation. To do so, you can perform zero or more operations of the following type:... | instruction | 0 | 27,492 | 12 | 54,984 |
No | output | 1 | 27,492 | 12 | 54,985 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given a sequence of integers a of length n, a tuple (i,j,k) is called monotone triples if
* 1 ≤ i<j<k≤ n;
* a_i ≤ a_j ≤ a_k or a_i ≥ a_j ≥ a_k is satisfied.
For example, a=[5,3,4,5], then (2,3,4) is monotone triples for sequence a... | instruction | 0 | 27,563 | 12 | 55,126 |
Tags: data structures
Correct Solution:
```
import sys
import io, os
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
from operator import itemgetter
import bisect
n,q=map(int,input().split())
A=[-1]+list(map(int,input().split()))
Q=[list(map(int,input().split()))+[i] for i in range(q)]
Q.sort(key=itemgett... | output | 1 | 27,563 | 12 | 55,127 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given a sequence of integers a of length n, a tuple (i,j,k) is called monotone triples if
* 1 ≤ i<j<k≤ n;
* a_i ≤ a_j ≤ a_k or a_i ≥ a_j ≥ a_k is satisfied.
For example, a=[5,3,4,5], ... | instruction | 0 | 27,564 | 12 | 55,128 |
No | output | 1 | 27,564 | 12 | 55,129 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given a sequence of integers a of length n, a tuple (i,j,k) is called monotone triples if
* 1 ≤ i<j<k≤ n;
* a_i ≤ a_j ≤ a_k or a_i ≥ a_j ≥ a_k is satisfied.
For example, a=[5,3,4,5], ... | instruction | 0 | 27,565 | 12 | 55,130 |
No | output | 1 | 27,565 | 12 | 55,131 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given a sequence of integers a of length n, a tuple (i,j,k) is called monotone triples if
* 1 ≤ i<j<k≤ n;
* a_i ≤ a_j ≤ a_k or a_i ≥ a_j ≥ a_k is satisfied.
For example, a=[5,3,4,5], ... | instruction | 0 | 27,566 | 12 | 55,132 |
No | output | 1 | 27,566 | 12 | 55,133 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given a sequence of integers a of length n, a tuple (i,j,k) is called monotone triples if
* 1 ≤ i<j<k≤ n;
* a_i ≤ a_j ≤ a_k or a_i ≥ a_j ≥ a_k is satisfied.
For example, a=[5,3,4,5], ... | instruction | 0 | 27,567 | 12 | 55,134 |
No | output | 1 | 27,567 | 12 | 55,135 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 27,601 | 12 | 55,202 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
import sys
n = int(input())
ar = [int(i) for i in input().split()]
if n == 1:
print(1, 1)
print(-ar[0])
print(1, 1)
print(0)
print(1,1)
print(0)
sys.exit(0)
print(1, n-1)
for i in range(n-1):
print(ar[i]*(n-1), en... | output | 1 | 27,601 | 12 | 55,203 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 27,602 | 12 | 55,204 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
# cook your dish here
n=int(input())
a=list(map(int,input().split()))
if(n==1):
print(1,1)
print(a[0]*-1)
print(1,1)
print(0)
print(1,1)
print(0)
else:
print(1,n)
ans=[]
for i in range(n):
ans.append(a... | output | 1 | 27,602 | 12 | 55,205 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 27,603 | 12 | 55,206 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
print("1 1")
print(-a[0])
if n != 1:
print(2, n)
for i in range(1, n):
print((n-1) * a[i], end=" ")
print("")
print(1, n)
print(0, end=" ")
for i in range(1, n)... | output | 1 | 27,603 | 12 | 55,207 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 27,604 | 12 | 55,208 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
from collections import defaultdict as dc
import math
import sys
input=sys.stdin.readline
n=int(input())
l=list(map(int,input().split()))
if n>1:
p=[0]*n
q=[0]*(n-1)
r=[0]*1
for i in range(n-1):
p[i]=-1*(l[i])*n
q... | output | 1 | 27,604 | 12 | 55,209 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 27,605 | 12 | 55,210 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
import sys
input = sys.stdin.buffer.readline
n = int(input())
a = list(map(int,input().split()))
if n == 1:
print(1,1)
print(0)
print(1,1)
print(0)
print(1,1)
print(-a[0])
else:
print(1,1)
print(-a[0])
print... | output | 1 | 27,605 | 12 | 55,211 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 27,606 | 12 | 55,212 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
n = int(input())
a = [int(a) for a in input().split()]
if n == 1:
print(f"1 1\n{-a[0]}\n1 1\n0\n1 1\n0")
else:
output = f'1 {n}\n'
for i in range(n):
to_sum = a[i]%(n-1)*n
if (a[i] + to_sum) % (n-1) == 0:
... | output | 1 | 27,606 | 12 | 55,213 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 27,607 | 12 | 55,214 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
# function to convert a list of strings to space-separated string
def convert(lst):
return ' '.join(lst)
arr_size = int(input())
#read a string of arr_size integers separated by spaces
arr = list(map(int, input().split()))
#get rid of the... | output | 1 | 27,607 | 12 | 55,215 |
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 of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 27,609 | 12 | 55,218 |
Yes | output | 1 | 27,609 | 12 | 55,219 |
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 of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 27,610 | 12 | 55,220 |
Yes | output | 1 | 27,610 | 12 | 55,221 |
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 of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 27,611 | 12 | 55,222 |
Yes | output | 1 | 27,611 | 12 | 55,223 |
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 of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 27,612 | 12 | 55,224 |
Yes | output | 1 | 27,612 | 12 | 55,225 |
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 of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 27,613 | 12 | 55,226 |
No | output | 1 | 27,613 | 12 | 55,227 |
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 of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 27,614 | 12 | 55,228 |
No | output | 1 | 27,614 | 12 | 55,229 |
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 of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 27,615 | 12 | 55,230 |
No | output | 1 | 27,615 | 12 | 55,231 |
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 of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 27,616 | 12 | 55,232 |
No | output | 1 | 27,616 | 12 | 55,233 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array [a_1, a_2, ..., a_n] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for each i from 1 to n;
* for every pair of adja... | instruction | 0 | 27,649 | 12 | 55,298 |
Tags: bitmasks, constructive algorithms, greedy
Correct Solution:
```
import sys
from collections import defaultdict as dd
from collections import Counter as cc
from queue import Queue
import math
import itertools
import functools
from operator import ixor
try:
sys.stdin = open('input.txt', 'r')
sys.stdout = ... | output | 1 | 27,649 | 12 | 55,299 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array [a_1, a_2, ..., a_n] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for each i from 1 to n;
* for every pair of adja... | instruction | 0 | 27,650 | 12 | 55,300 |
Tags: bitmasks, constructive algorithms, greedy
Correct Solution:
```
def main():
for t in range(int(input())):
n = int(input())
a = list(map(int, input().split()))
s = sum(a)
cur = [0, 0]
for i in range(n):
cur[i % 2] += a[i]-1
for j in range(2):
... | output | 1 | 27,650 | 12 | 55,301 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array [a_1, a_2, ..., a_n] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for each i from 1 to n;
* for every pair of adja... | instruction | 0 | 27,651 | 12 | 55,302 |
Tags: bitmasks, constructive algorithms, greedy
Correct Solution:
```
from sys import stdin
q = int(input())
for j in range(q):
n = int(input())
# a,b,c = map(int,input().split())
c = list(map(int,input().split()))
# s = list(map(int,input()))
s = [0,0]
for i in range(n):
s[i%2]+=c[i]
... | output | 1 | 27,651 | 12 | 55,303 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array [a_1, a_2, ..., a_n] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for each i from 1 to n;
* for every pair of adja... | instruction | 0 | 27,652 | 12 | 55,304 |
Tags: bitmasks, constructive algorithms, greedy
Correct Solution:
```
import sys
from array import array # noqa: F401
import typing as Tp # noqa: F401
def input():
return sys.stdin.buffer.readline().decode('utf-8')
def output(*args):
sys.stdout.buffer.write(
('\n'.join(map(str, args)) + '\n').enco... | output | 1 | 27,652 | 12 | 55,305 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array [a_1, a_2, ..., a_n] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for each i from 1 to n;
* for every pair of adja... | instruction | 0 | 27,653 | 12 | 55,306 |
Tags: bitmasks, constructive algorithms, greedy
Correct Solution:
```
def find(b,a):
s=0
s1=sum(b)
for i in range(len(b)):
s+=abs(a[i]-b[i])
if 2*s<=s1:
return True
return False
for i in range(int(input())):
n=int(input())
a=[int(x) for x in input().split()]
b=[1]*n
... | output | 1 | 27,653 | 12 | 55,307 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array [a_1, a_2, ..., a_n] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for each i from 1 to n;
* for every pair of adja... | instruction | 0 | 27,654 | 12 | 55,308 |
Tags: bitmasks, constructive algorithms, greedy
Correct Solution:
```
from math import log2
t=int(input())
for _ in range(t):
n=int(input())
l=list(map(int,input().split()))
for i in l:
z=int(log2(i))
print(2**z,end=' ')
print()
``` | output | 1 | 27,654 | 12 | 55,309 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array [a_1, a_2, ..., a_n] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for each i from 1 to n;
* for every pair of adja... | instruction | 0 | 27,655 | 12 | 55,310 |
Tags: bitmasks, constructive algorithms, greedy
Correct Solution:
```
##########################################################
import sys
input = sys.stdin.readline
print = sys.stdout.write
def ii():return int(input())
def mii():return map(int,input().rstrip().split())
def lmii():return list(map(int,input().rstrip().... | output | 1 | 27,655 | 12 | 55,311 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array [a_1, a_2, ..., a_n] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for each i from 1 to n;
* for every pair of adja... | instruction | 0 | 27,656 | 12 | 55,312 |
Tags: bitmasks, constructive algorithms, greedy
Correct Solution:
```
for _ in range(int(input())):
n = int(input())
a = [x for x in map(int,input().split())]
odd= 0;even=0
for i in range(n):
if i%2==0:
odd+=abs(a[i]-1)
else:
even +=abs(a[i]-1)
if odd>even:
... | output | 1 | 27,656 | 12 | 55,313 |
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] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for ... | instruction | 0 | 27,657 | 12 | 55,314 |
Yes | output | 1 | 27,657 | 12 | 55,315 |
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] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for ... | instruction | 0 | 27,658 | 12 | 55,316 |
Yes | output | 1 | 27,658 | 12 | 55,317 |
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] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for ... | instruction | 0 | 27,659 | 12 | 55,318 |
Yes | output | 1 | 27,659 | 12 | 55,319 |
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] such that 1 ≤ a_i ≤ 10^9. Let S be the sum of all elements of the array a.
Let's call an array b of n integers beautiful if:
* 1 ≤ b_i ≤ 10^9 for ... | instruction | 0 | 27,660 | 12 | 55,320 |
Yes | output | 1 | 27,660 | 12 | 55,321 |
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