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 |
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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Your task is to calculate the number of arrays such that:
* each array contains n elements;
* each element is an integer from 1 to m;
* for each array, there is exactly one pair of equa... | instruction | 0 | 20,403 | 12 | 40,806 |
No | output | 1 | 20,403 | 12 | 40,807 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can be obtained from a by deleting some (possibly z... | instruction | 0 | 20,516 | 12 | 41,032 |
Tags: math, number theory
Correct Solution:
```
import math
def get_int():
return int(input())
def get_list_ints():
return list(map(int, input().split()))
def get_char_list():
s = input()
return list(s[:len(s) - 1])
def get_tuple_ints():
return tuple(map(int, input().split()))
def print_iterable(p)... | output | 1 | 20,516 | 12 | 41,033 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can be obtained from a by deleting some (possibly z... | instruction | 0 | 20,517 | 12 | 41,034 |
Tags: math, number theory
Correct Solution:
```
import math
t = int(input())
for i in range(t):
n = int(input())
a = list(map(int,input().split()))
cnt=0
for j in range(n):
res = math.sqrt(a[j])
if(res-int(res)!=0):
cnt=1
break
if(cnt):
print("YES")
... | output | 1 | 20,517 | 12 | 41,035 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can be obtained from a by deleting some (possibly z... | instruction | 0 | 20,518 | 12 | 41,036 |
Tags: math, number theory
Correct Solution:
```
from math import sqrt
for _ in range(int(input())):
n=int(input())
a=list(map(int,input().split()))
f=0
for i in a:
if(sqrt(i)%1!=0):
f=1
break;
if(f==1):
... | output | 1 | 20,518 | 12 | 41,037 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can be obtained from a by deleting some (possibly z... | instruction | 0 | 20,519 | 12 | 41,038 |
Tags: math, number theory
Correct Solution:
```
def ii(): return int(input())
def si(): return input()
def mi(): return map(int,input().strip().split(" "))
def msi(): return map(str,input().strip().split(" "))
def li(): return list(mi())
from math import *
for _ in range(ii()):
n = ii()
l = li()
f = ... | output | 1 | 20,519 | 12 | 41,039 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can be obtained from a by deleting some (possibly z... | instruction | 0 | 20,520 | 12 | 41,040 |
Tags: math, number theory
Correct Solution:
```
from math import sqrt
def check(n,l):
for i in range(n):
t = sqrt(l[i])
if(t!=int(t)):
return True
return False
t = int(input())
for _ in range(t):
n = int(input())
l = list(map(int, input().split()))
if(check(n,l)):
... | output | 1 | 20,520 | 12 | 41,041 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can be obtained from a by deleting some (possibly z... | instruction | 0 | 20,521 | 12 | 41,042 |
Tags: math, number theory
Correct Solution:
```
import math
def is_square(integer):
root = math.sqrt(integer)
return integer == int(root + 0.5) ** 2
cases = int(input())
for case in range(0, cases):
n = int(input())
array = [int(x) for x in input().split(" ")]
x = 0
for num in array:
i... | output | 1 | 20,521 | 12 | 41,043 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can be obtained from a by deleting some (possibly z... | instruction | 0 | 20,522 | 12 | 41,044 |
Tags: math, number theory
Correct Solution:
```
from math import ceil
num = int(input())
for _ in range(num):
n = int(input())
ans = False
for i in map(int, input().split()):
if int(i ** .5) != ceil(i ** .5):
ans = True
break
print("YES" if ans else "NO")
``` | output | 1 | 20,522 | 12 | 41,045 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can be obtained from a by deleting some (possibly z... | instruction | 0 | 20,523 | 12 | 41,046 |
Tags: math, number theory
Correct Solution:
```
from math import sqrt, ceil
for i in range(int(input())):
n = int(input())
l = list(set(map(int, input().split())))
c = 0
for j in l:
if int(ceil(sqrt(j))**2) != int(j):
print("YES")
c = -1
break
if c == 0: p... | output | 1 | 20,523 | 12 | 41,047 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can ... | instruction | 0 | 20,524 | 12 | 41,048 |
Yes | output | 1 | 20,524 | 12 | 41,049 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can ... | instruction | 0 | 20,525 | 12 | 41,050 |
Yes | output | 1 | 20,525 | 12 | 41,051 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can ... | instruction | 0 | 20,526 | 12 | 41,052 |
Yes | output | 1 | 20,526 | 12 | 41,053 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can ... | instruction | 0 | 20,527 | 12 | 41,054 |
Yes | output | 1 | 20,527 | 12 | 41,055 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can ... | instruction | 0 | 20,528 | 12 | 41,056 |
No | output | 1 | 20,528 | 12 | 41,057 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can ... | instruction | 0 | 20,529 | 12 | 41,058 |
No | output | 1 | 20,529 | 12 | 41,059 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can ... | instruction | 0 | 20,530 | 12 | 41,060 |
No | output | 1 | 20,530 | 12 | 41,061 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, tell us whether it has a non-empty subsequence such that the product of its elements is not a perfect square.
A sequence b is a subsequence of an array a if b can ... | instruction | 0 | 20,531 | 12 | 41,062 |
No | output | 1 | 20,531 | 12 | 41,063 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of numbers 1 through n and is asked to convert the f... | instruction | 0 | 20,548 | 12 | 41,096 |
Tags: greedy
Correct Solution:
```
import sys
input = sys.stdin.readline
from math import *
import bisect as bs
n=int(input())
a=[int(x) for x in input().split()]
b= [int(x) for x in input().split()]
d={}
for i in range(n):
d[b[i]]=i
c=0
ans=0
u=[0 for i in range(n)]
for i in range(n):
u[i]=d[a[i]]
#print(u) ... | output | 1 | 20,548 | 12 | 41,097 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of numbers 1 through n and is asked to convert the f... | instruction | 0 | 20,549 | 12 | 41,098 |
Tags: greedy
Correct Solution:
```
x=int(input())
a=input()
list1=[int(n) for n in a.split()]
a=input()
list2=[int(n) for n in a.split()]
dic={}
pos={}
llist=[]
ans=0
for i in range(x):
dic[list2[i]]=i
for i in list1:
llist.append(dic[i])
for i in range(x):
pos[llist[i]]=i
cnt=0
num=0
while cnt!=x-1:
if... | output | 1 | 20,549 | 12 | 41,099 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of numbers 1 through n and is asked to convert the f... | instruction | 0 | 20,550 | 12 | 41,100 |
Tags: greedy
Correct Solution:
```
n = int(input())
a1 = list(map(int, input().split()))
a2 = list(map(int, input().split()))
vis, j = set(), n-1
res = j
for i in range(n-1, -1, -1):
if a2[i] in vis:
continue
if a2[i] == a1[j]:
j -= 1
continue
while a2[i] != a1[j]:
vis.add(a1... | output | 1 | 20,550 | 12 | 41,101 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of numbers 1 through n and is asked to convert the f... | instruction | 0 | 20,551 | 12 | 41,102 |
Tags: greedy
Correct Solution:
```
u,d,x,n=0,0,0,int(input())
# n = [0 for i in range(n+10)]
f=list(map(int,input().split()))
s=list(map(int,input().split()))
while d<n:
if s[d]!=f[u]:
x+=1
d+=1
else:
d+=1
u+=1
print(x)
# Made By Mostafa_Khaled
``` | output | 1 | 20,551 | 12 | 41,103 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of numbers 1 through n and is asked to convert the f... | instruction | 0 | 20,552 | 12 | 41,104 |
Tags: greedy
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
ans = 0
p = 1
Mark = [0 for i in range(n + 1)]
while len(a):
while Mark[b[-1]]:
del b[-1]
if (a[-1] != b[-1]): ans = p
p += 1
Mark[a[-1]] = 1
del a[-1]
print(ans)
``` | output | 1 | 20,552 | 12 | 41,105 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of numbers 1 through n and is asked to convert the f... | instruction | 0 | 20,553 | 12 | 41,106 |
Tags: greedy
Correct Solution:
```
n = int(input())
a, b = list(map(int, input().split())), list(map(int, input().split()))
i = j = 0
while i < n and j < n:
if b[j] == a[i]: i += 1
j += 1
print(n - i)
``` | output | 1 | 20,553 | 12 | 41,107 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of numbers 1 through n and is asked to convert the f... | instruction | 0 | 20,554 | 12 | 41,108 |
Tags: greedy
Correct Solution:
```
from operator import itemgetter
def to_remove(seq):
i = 0
#print(seq)
prev = 0
for x in range(1, len(seq)):
if not seq[x] > seq[x-1]:
i = x
break
if not i:
i = len(seq)
#print(len(seq), i)
return len(seq) - i
cl... | output | 1 | 20,554 | 12 | 41,109 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of numbers 1 through n and is asked to convert the f... | instruction | 0 | 20,555 | 12 | 41,110 |
Tags: greedy
Correct Solution:
```
import sys
N = int(input())
current = input().split(" ")
real = input().split(" ")
positions = [-1 for i in range(int(2e5))]
for i, val in enumerate(real):
positions[int(val)-1] = i
# print(positions[:N])
last_pos = -1
for i, val in enumerate(current[1:], 1):
# print(val, p... | output | 1 | 20,555 | 12 | 41,111 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of nu... | instruction | 0 | 20,556 | 12 | 41,112 |
Yes | output | 1 | 20,556 | 12 | 41,113 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of nu... | instruction | 0 | 20,557 | 12 | 41,114 |
Yes | output | 1 | 20,557 | 12 | 41,115 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of nu... | instruction | 0 | 20,558 | 12 | 41,116 |
Yes | output | 1 | 20,558 | 12 | 41,117 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of nu... | instruction | 0 | 20,559 | 12 | 41,118 |
Yes | output | 1 | 20,559 | 12 | 41,119 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of nu... | instruction | 0 | 20,560 | 12 | 41,120 |
No | output | 1 | 20,560 | 12 | 41,121 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of nu... | instruction | 0 | 20,561 | 12 | 41,122 |
No | output | 1 | 20,561 | 12 | 41,123 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of nu... | instruction | 0 | 20,562 | 12 | 41,124 |
No | output | 1 | 20,562 | 12 | 41,125 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Happy PMP is freshman and he is learning about algorithmic problems. He enjoys playing algorithmic games a lot.
One of the seniors gave Happy PMP a nice game. He is given two permutations of nu... | instruction | 0 | 20,563 | 12 | 41,126 |
No | output | 1 | 20,563 | 12 | 41,127 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'll call number n the size or the length of permu... | instruction | 0 | 20,596 | 12 | 41,192 |
Tags: greedy, implementation
Correct Solution:
```
n, k = [int(x) for x in input().split()]
if n//2 >=k:
arr = list(range(1,n+1))
c = 0
for i in range(0,n-1,2):
if c == k:
break
arr[i] , arr[i+1] = arr[i+1] , arr[i]
c += 1
else:
arr = list(reversed(range(1, n + 1)))
... | output | 1 | 20,596 | 12 | 41,193 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'll call number n the size or the length of permu... | instruction | 0 | 20,597 | 12 | 41,194 |
Tags: greedy, implementation
Correct Solution:
```
n, k = map(int, input().split())
i = 0
while(i < k):
print(n - i, end = " ")
i += 1
i = 1
while(i <= n - k):
print(i, end = " ")
i += 1
``` | output | 1 | 20,597 | 12 | 41,195 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'll call number n the size or the length of permu... | instruction | 0 | 20,598 | 12 | 41,196 |
Tags: greedy, implementation
Correct Solution:
```
n,k = map(int,input().split())
# ar = [i for i in range(1,n+1)]
if k != 0 :
# tmp = ar[k]
# ar[k] = ar[k+1]
# ar[k+1] = tmp
for i in range(n,n-k,-1) :
print(i,end=" ")
for i in range(1,n-k+1) :
print(i,end=" ")
else :
for i in range(1,n+1) :
print(i,en... | output | 1 | 20,598 | 12 | 41,197 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'll call number n the size or the length of permu... | instruction | 0 | 20,599 | 12 | 41,198 |
Tags: greedy, implementation
Correct Solution:
```
n,k=map(int, input().split())
print(*([i for i in range(n, n-k, -1)]+[i for i in range(1, n-k+1)]))
``` | output | 1 | 20,599 | 12 | 41,199 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'll call number n the size or the length of permu... | instruction | 0 | 20,600 | 12 | 41,200 |
Tags: greedy, implementation
Correct Solution:
```
n, k = map(int, input().split())
i = -1
for i in range(k):
print(n-i,end = ' ')
for i in range(i+1,n):
print(i-k+1, end = ' ')
``` | output | 1 | 20,600 | 12 | 41,201 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'll call number n the size or the length of permu... | instruction | 0 | 20,601 | 12 | 41,202 |
Tags: greedy, implementation
Correct Solution:
```
n, k= input().split()
n=int(n)
k=int(k)
nn =n
arr = []
for i in range(k):
arr.append(n)
n-=1;
for i in range(nn-k):
arr.append(i+1)
for i in range(nn):
print(arr[i],end=" ")
``` | output | 1 | 20,601 | 12 | 41,203 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'll call number n the size or the length of permu... | instruction | 0 | 20,602 | 12 | 41,204 |
Tags: greedy, implementation
Correct Solution:
```
n,k=map(int,input().strip().split())
r=[a for a in range(n, 0, -1)]
b=[k for k in r[:n-k]]
b.sort()
r=b+r[n-k: ]
print(*r)
``` | output | 1 | 20,602 | 12 | 41,205 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'll call number n the size or the length of permu... | instruction | 0 | 20,603 | 12 | 41,206 |
Tags: greedy, implementation
Correct Solution:
```
def main():
n, k = map(int, input().strip().split())
return list(range(n, n - k, -1)) + list(range(1, n - k + 1))
print(*main())
``` | output | 1 | 20,603 | 12 | 41,207 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 20,604 | 12 | 41,208 |
Yes | output | 1 | 20,604 | 12 | 41,209 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 20,605 | 12 | 41,210 |
Yes | output | 1 | 20,605 | 12 | 41,211 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 20,606 | 12 | 41,212 |
Yes | output | 1 | 20,606 | 12 | 41,213 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 20,607 | 12 | 41,214 |
Yes | output | 1 | 20,607 | 12 | 41,215 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 20,608 | 12 | 41,216 |
No | output | 1 | 20,608 | 12 | 41,217 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 20,609 | 12 | 41,218 |
No | output | 1 | 20,609 | 12 | 41,219 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 20,610 | 12 | 41,220 |
No | output | 1 | 20,610 | 12 | 41,221 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i-th element of permutation p as pi. We'l... | instruction | 0 | 20,611 | 12 | 41,222 |
No | output | 1 | 20,611 | 12 | 41,223 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes i, j (i ≠ j);
* perform assignments tmp = a... | instruction | 0 | 20,644 | 12 | 41,288 |
Tags: brute force, sortings
Correct Solution:
```
def readln(): return tuple(map(int, input().split()))
n, k = readln()
a = list(readln())
ans = -10**9
for i in range(n):
for j in range(i, n):
x = a[:i] + a[j + 1:]
y = a[i:j + 1]
x.sort()
y.sort()
x.reverse()
for p i... | output | 1 | 20,644 | 12 | 41,289 |
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