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 |
|---|---|---|---|---|---|
Provide a correct Python 3 solution for this coding contest problem.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element x, the number of elements less than x as C[x]. This inf... | instruction | 0 | 64,797 | 12 | 129,594 |
"Correct Solution:
```
def counting_sort(A, k):
B = [0] * len(A)
C = [0] * k
for a in A:
C[a] += 1
for i in range(1, k):
C[i] += C[i - 1]
for a in reversed(A):
B[C[a] - 1] = a
C[a] -= 1
return B
def main():
n = int(input())
A = [int(x) for x in input... | output | 1 | 64,797 | 12 | 129,595 |
Provide a correct Python 3 solution for this coding contest problem.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element x, the number of elements less than x as C[x]. This inf... | instruction | 0 | 64,798 | 12 | 129,596 |
"Correct Solution:
```
def csort(A,B,k):
C=[0]*(k+1)
for i in range(len(A)):
C[A[i]]+=1
for i in range(1,len(C)):
C[i]+=C[i-1]
for i in range(len(A))[::-1]:
B[C[A[i]]-1]=A[i]
C[A[i]]-=1
# input
n=int(input())
data=list(map(int, input().split()))
result=[0]*len(da... | output | 1 | 64,798 | 12 | 129,597 |
Provide a correct Python 3 solution for this coding contest problem.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element x, the number of elements less than x as C[x]. This inf... | instruction | 0 | 64,799 | 12 | 129,598 |
"Correct Solution:
```
def counting_sort(A, k):
B = [0] * len(A)
C = [0] * k
for a in A:
C[a] += 1
for i in range(1, k):
C[i] += C[i - 1]
for a in A:
B[C[a] - 1] = a
C[a] -= 1
return B
def main():
n = int(input())
A = [int(x) for x in input().split()... | output | 1 | 64,799 | 12 | 129,599 |
Provide a correct Python 3 solution for this coding contest problem.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element x, the number of elements less than x as C[x]. This inf... | instruction | 0 | 64,800 | 12 | 129,600 |
"Correct Solution:
```
def countingSort(A, B, k):
C = [0 for i in range(k+1)]
for i in A:
C[i] += 1
for i in range(1, k+1):
C[i] += C[i-1]
for i in A[::-1]:
B[C[i]-1] = i
C[i] -= 1
return B
n = int(input())
A = list(map(int, input().split()))
k = max(A)
B = [0 f... | output | 1 | 64,800 | 12 | 129,601 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element... | instruction | 0 | 64,801 | 12 | 129,602 |
Yes | output | 1 | 64,801 | 12 | 129,603 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element... | instruction | 0 | 64,802 | 12 | 129,604 |
Yes | output | 1 | 64,802 | 12 | 129,605 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element... | instruction | 0 | 64,803 | 12 | 129,606 |
Yes | output | 1 | 64,803 | 12 | 129,607 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element... | instruction | 0 | 64,804 | 12 | 129,608 |
Yes | output | 1 | 64,804 | 12 | 129,609 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element... | instruction | 0 | 64,805 | 12 | 129,610 |
No | output | 1 | 64,805 | 12 | 129,611 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element... | instruction | 0 | 64,806 | 12 | 129,612 |
No | output | 1 | 64,806 | 12 | 129,613 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element... | instruction | 0 | 64,807 | 12 | 129,614 |
No | output | 1 | 64,807 | 12 | 129,615 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Counting sort can be used for sorting elements in an array which each of the n input elements is an integer in the range 0 to k. The idea of counting sort is to determine, for each input element... | instruction | 0 | 64,808 | 12 | 129,616 |
No | output | 1 | 64,808 | 12 | 129,617 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the following problem: given an array a containing n integers (indexed from 0 to n-1), find max_{0 ≤ l ≤ r ≤ n-1} ∑_{l ≤ i ≤ r} (r-l+1) ⋅ a_i. In this problem, 1 ≤ n ≤ 2 000 and |a_i| ≤ 10^6.
In an attempt to solve the problem desc... | instruction | 0 | 64,878 | 12 | 129,756 |
Tags: constructive algorithms
Correct Solution:
```
k=int(input())
o=[-1,1]
while k>-1:
o+=[min(k+2,10**6)]
k-=o[-1]-1
print(len(o))
print(*o)
``` | output | 1 | 64,878 | 12 | 129,757 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the following problem: given an array a containing n integers (indexed from 0 to n-1), find max_{0 ≤ l ≤ r ≤ n-1} ∑_{l ≤ i ≤ r} (r-l+1) ⋅ a_i. In this problem, 1 ≤ n ≤ 2 000 and |a_i| ≤ 10^6.
In an attempt to solve the problem desc... | instruction | 0 | 64,879 | 12 | 129,758 |
Tags: constructive algorithms
Correct Solution:
```
if __name__ == '__main__':
k = int(input())
mod = k % 1500
a = 1500 - mod
x = 1500
z = (k + a) // 1500 + a
print(x + 1)
ans = [0] * (x -1) + [-a, z]
print(*ans)
``` | output | 1 | 64,879 | 12 | 129,759 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the following problem: given an array a containing n integers (indexed from 0 to n-1), find max_{0 ≤ l ≤ r ≤ n-1} ∑_{l ≤ i ≤ r} (r-l+1) ⋅ a_i. In this problem, 1 ≤ n ≤ 2 000 and |a_i| ≤ 10^6.
In an attempt to solve the problem desc... | instruction | 0 | 64,880 | 12 | 129,760 |
Tags: constructive algorithms
Correct Solution:
```
import sys
try:
sys.stdin = open('in.in','r')
sys.stdout = open('out.out','w')
except: pass
k = int(input())
print(2000)
k += 2000
print(-1,end=' ')
for i in range(1999):
if not k: print(0,end=' ')
else:
if k <= 1000000:
print(k,end=' ')
k = 0
else:
... | output | 1 | 64,880 | 12 | 129,761 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the following problem: given an array a containing n integers (indexed from 0 to n-1), find max_{0 ≤ l ≤ r ≤ n-1} ∑_{l ≤ i ≤ r} (r-l+1) ⋅ a_i. In this problem, 1 ≤ n ≤ 2 000 and |a_i| ≤ 10^6.
In an attempt to solve the problem desc... | instruction | 0 | 64,881 | 12 | 129,762 |
Tags: constructive algorithms
Correct Solution:
```
k,m=int(input()),1500;a=m-k%m
print(m+1,' ',*[0]*(m-1)+[-a,(k+a)//m+a])
``` | output | 1 | 64,881 | 12 | 129,763 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the following problem: given an array a containing n integers (indexed from 0 to n-1), find max_{0 ≤ l ≤ r ≤ n-1} ∑_{l ≤ i ≤ r} (r-l+1) ⋅ a_i. In this problem, 1 ≤ n ≤ 2 000 and |a_i| ≤ 10^6.
In an attempt to solve the problem desc... | instruction | 0 | 64,882 | 12 | 129,764 |
Tags: constructive algorithms
Correct Solution:
```
k = int(input())
cSum = 0
res = [-1,1]
while True:
if cSum + 1_000_000 < k + len(res):
cSum += 1_000_000
res.append(1_000_000)
else:
res.append(k + len(res) - cSum)
break
print(len(res))
for i in res:
print(i, end = ' ')
`... | output | 1 | 64,882 | 12 | 129,765 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the following problem: given an array a containing n integers (indexed from 0 to n-1), find max_{0 ≤ l ≤ r ≤ n-1} ∑_{l ≤ i ≤ r} (r-l+1) ⋅ a_i. In this problem, 1 ≤ n ≤ 2 000 and |a_i| ≤ 10^6.
In an attempt to solve the problem desc... | instruction | 0 | 64,883 | 12 | 129,766 |
Tags: constructive algorithms
Correct Solution:
```
k = int(input())
a = [0 for i in range(2000)]
a[0] = -1
s = k + 2000
for i in range(1, 2000):
a[i] = s // 1999 + (1 if i <= s % 1999 else 0)
print(2000)
print(*a)
``` | output | 1 | 64,883 | 12 | 129,767 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the following problem: given an array a containing n integers (indexed from 0 to n-1), find max_{0 ≤ l ≤ r ≤ n-1} ∑_{l ≤ i ≤ r} (r-l+1) ⋅ a_i. In this problem, 1 ≤ n ≤ 2 000 and |a_i| ≤ 10^6.
In an attempt to solve the problem desc... | instruction | 0 | 64,884 | 12 | 129,768 |
Tags: constructive algorithms
Correct Solution:
```
k=int(input())
o=[-1,1]
while k+1:
o+=[min(k+2,10**6)]
k-=o[-1]-1
print(len(o),'\n',*o)
``` | output | 1 | 64,884 | 12 | 129,769 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the following problem: given an array a containing n integers (indexed from 0 to n-1), find max_{0 ≤ l ≤ r ≤ n-1} ∑_{l ≤ i ≤ r} (r-l+1) ⋅ a_i. In this problem, 1 ≤ n ≤ 2 000 and |a_i| ≤ 10^6.
In an attempt to solve the problem desc... | instruction | 0 | 64,885 | 12 | 129,770 |
Tags: constructive algorithms
Correct Solution:
```
#!/usr/bin/env python
from __future__ import division, print_function
import os
import sys
from io import BytesIO, IOBase
if sys.version_info[0] < 3:
from __builtin__ import xrange as range
from future_builtins import ascii, filter, hex, map, oct, zip
def ... | output | 1 | 64,885 | 12 | 129,771 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n numbers a_1, a_2, …, a_n. Is it possible to arrange them in a circle in such a way that every number is strictly less than the sum of its neighbors?
For example, for the array [1, 4, 5, 6, 7, 8], the arrangement on the left ... | instruction | 0 | 64,895 | 12 | 129,790 |
Tags: greedy, math, sortings
Correct Solution:
```
n = int(input())
a = sorted(map(int,input().split()))
if a[n-1] >= a[n-2] + a[n-3]:
print("NO")
else:
print("YES")
print(a[n-2],a[n-1],a[n-3],end = " ")
for i in range(n-3):
print(a[n-i-4],end= " ")
``` | output | 1 | 64,895 | 12 | 129,791 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n numbers a_1, a_2, …, a_n. Is it possible to arrange them in a circle in such a way that every number is strictly less than the sum of its neighbors?
For example, for the array [1, 4, 5, 6, 7, 8], the arrangement on the left ... | instruction | 0 | 64,896 | 12 | 129,792 |
Tags: greedy, math, sortings
Correct Solution:
```
n = int(input())
l = list(map(int,input().split()))
ans = []
l.sort()
ans.append(l[-1])
l.pop()
ans.append(l[-1])
l.pop()
ans.insert(0,l[-1])
l.pop()
for i in l:
ans.append(i)
for i in range(n):
if ans[i]>=ans[i-1]+ans[(i+1)%n]:
print('NO')
brea... | output | 1 | 64,896 | 12 | 129,793 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n numbers a_1, a_2, …, a_n. Is it possible to arrange them in a circle in such a way that every number is strictly less than the sum of its neighbors?
For example, for the array [1, 4, 5, 6, 7, 8], the arrangement on the left ... | instruction | 0 | 64,897 | 12 | 129,794 |
Tags: greedy, math, sortings
Correct Solution:
```
n = int(input())
array = list(input().split(' '))
array = [int(i) for i in array]
array.sort()
if (array[n-1] >= array[n-2] + array[n-3]):
print('NO')
else:
print('YES')
array = array[::-1]
for i in range(0, n):
if i % 2 == 0:
print(... | output | 1 | 64,897 | 12 | 129,795 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n numbers a_1, a_2, …, a_n. Is it possible to arrange them in a circle in such a way that every number is strictly less than the sum of its neighbors?
For example, for the array [1, 4, 5, 6, 7, 8], the arrangement on the left ... | instruction | 0 | 64,898 | 12 | 129,796 |
Tags: greedy, math, sortings
Correct Solution:
```
from collections import deque
# from itertools import permutations
# from random import *
n = int(input())
a = sorted(map(int, input().strip().split()))
def solve(a):
d = deque()
test = 0
for i in a:
if test:
d.appendleft(i)
... | output | 1 | 64,898 | 12 | 129,797 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n numbers a_1, a_2, …, a_n. Is it possible to arrange them in a circle in such a way that every number is strictly less than the sum of its neighbors?
For example, for the array [1, 4, 5, 6, 7, 8], the arrangement on the left ... | instruction | 0 | 64,899 | 12 | 129,798 |
Tags: greedy, math, sortings
Correct Solution:
```
n = int(input())
lis = sorted(map(int,input().split()))
if lis[-1]<lis[-2]+lis[0]:
print("YES")
print(*lis)
else:
a=lis.pop(-3)
if a+lis[-2]<=lis[-1]:
print("NO")
else:
print("YES")
print(a,end=' ')
print(*lis[:-1],s... | output | 1 | 64,899 | 12 | 129,799 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n numbers a_1, a_2, …, a_n. Is it possible to arrange them in a circle in such a way that every number is strictly less than the sum of its neighbors?
For example, for the array [1, 4, 5, 6, 7, 8], the arrangement on the left ... | instruction | 0 | 64,900 | 12 | 129,800 |
Tags: greedy, math, sortings
Correct Solution:
```
n = int(input())
array = list(map(int, input().split()))
array.sort(reverse=True)
start = array[0]
first = [start, array[1]]
second = [start, array[2]]
q = 1
for i in range(3, n-1, 2):
a = array[i]
b = array[i+1]
if a+first[q-1] > first[q] and b + first[q-1... | output | 1 | 64,900 | 12 | 129,801 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n numbers a_1, a_2, …, a_n. Is it possible to arrange them in a circle in such a way that every number is strictly less than the sum of its neighbors?
For example, for the array [1, 4, 5, 6, 7, 8], the arrangement on the left ... | instruction | 0 | 64,901 | 12 | 129,802 |
Tags: greedy, math, sortings
Correct Solution:
```
# cook your dish here
n=int(input())
a=list(map(int,input().split()))
a.sort(reverse=True)
t=a[1]
a.remove(t)
a.append(t)
ans=0
s1=str(a[0])
for i in range(1,n):
s1+=" "+str(a[i])
for i in range(n):
if i==0:
if a[i]>=(a[i+1]+a[n-1]):
ans=1
... | output | 1 | 64,901 | 12 | 129,803 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n numbers a_1, a_2, …, a_n. Is it possible to arrange them in a circle in such a way that every number is strictly less than the sum of its neighbors?
For example, for the array [1, 4, 5, 6, 7, 8], the arrangement on the left ... | instruction | 0 | 64,902 | 12 | 129,804 |
Tags: greedy, math, sortings
Correct Solution:
```
print( (lambda n,s: (f"YES\n{s[n-3]} {' '.join(s[:n-3])} {' '.join(s[n-2:])}",'NO')[int(s[n-1]) >= int(s[n-2]) + int(s[n-3])] )(int(input()), sorted(input().split(' '),key=lambda x:int(x))) )
``` | output | 1 | 64,902 | 12 | 129,805 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_{1}, a_{2}, …, a_{n}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose two integers l and r (1 ≤ l ≤ r ≤ n) and delet... | instruction | 0 | 64,911 | 12 | 129,822 |
Tags: binary search, brute force, implementation, two pointers
Correct Solution:
```
n = int(input())
arr = list(map(int,input().split()))
ans = n
k=0
for i in range(n+1):
pre = set(arr[:i])
if len(pre)<i:
k=1
break
r = n-1
while r>=i and arr[r] not in pre:
pre.add(arr[r])
... | output | 1 | 64,911 | 12 | 129,823 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_{1}, a_{2}, …, a_{n}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose two integers l and r (1 ≤ l ≤ r ≤ n) and delet... | instruction | 0 | 64,912 | 12 | 129,824 |
Tags: binary search, brute force, implementation, two pointers
Correct Solution:
```
from collections import defaultdict
n = int(input())
a = [int(i) for i in input().split()]
ans = n
for i in range(n):
d = defaultdict(int)
valid = True
for j in range(i):
d[a[j]] += 1
if d[a[j]] == 2:
... | output | 1 | 64,912 | 12 | 129,825 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_{1}, a_{2}, …, a_{n}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose two integers l and r (1 ≤ l ≤ r ≤ n) and delet... | instruction | 0 | 64,913 | 12 | 129,826 |
Tags: binary search, brute force, implementation, two pointers
Correct Solution:
```
n = int(input())
lst = [int(i) for i in input().split()]
d, count1 = {}, 0
for elem in lst:
d[elem] = d.get(elem, 0) + 1
if d[elem] == 2:
count1 += 1
result = n
if len(d) == n:
result = 0
for i in range(n):
f = ... | output | 1 | 64,913 | 12 | 129,827 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_{1}, a_{2}, …, a_{n}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose two integers l and r (1 ≤ l ≤ r ≤ n) and delet... | instruction | 0 | 64,914 | 12 | 129,828 |
Tags: binary search, brute force, implementation, two pointers
Correct Solution:
```
import os, sys, atexit
from io import BytesIO, StringIO
input = BytesIO(os.read(0, os.fstat(0).st_size)).readline
_OUTPUT_BUFFER = StringIO()
sys.stdout = _OUTPUT_BUFFER
@atexit.register
def write():
sys.__stdout__.write(_OUTPU... | output | 1 | 64,914 | 12 | 129,829 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_{1}, a_{2}, …, a_{n}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose two integers l and r (1 ≤ l ≤ r ≤ n) and delet... | instruction | 0 | 64,915 | 12 | 129,830 |
Tags: binary search, brute force, implementation, two pointers
Correct Solution:
```
from collections import Counter, defaultdict
def remove(nums):
n = len(nums)
min_size = n
for i in range(n):
valid_prefix = True
seen = set()
for j in range(i):
num = nums[j]
... | output | 1 | 64,915 | 12 | 129,831 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_{1}, a_{2}, …, a_{n}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose two integers l and r (1 ≤ l ≤ r ≤ n) and delet... | instruction | 0 | 64,916 | 12 | 129,832 |
Tags: binary search, brute force, implementation, two pointers
Correct Solution:
```
#------------------------template--------------------------#
import os
import sys
from math import *
from collections import *
from fractions import *
from bisect import *
from io import BytesIO, IOBase
def vsInput():
sys.stdin = o... | output | 1 | 64,916 | 12 | 129,833 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_{1}, a_{2}, …, a_{n}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose two integers l and r (1 ≤ l ≤ r ≤ n) and delet... | instruction | 0 | 64,917 | 12 | 129,834 |
Tags: binary search, brute force, implementation, two pointers
Correct Solution:
```
#------------------------------warmup----------------------------
import os
import sys
import math
from io import BytesIO, IOBase
from fractions import Fraction
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __in... | output | 1 | 64,917 | 12 | 129,835 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_{1}, a_{2}, …, a_{n}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose two integers l and r (1 ≤ l ≤ r ≤ n) and delet... | instruction | 0 | 64,918 | 12 | 129,836 |
Tags: binary search, brute force, implementation, two pointers
Correct Solution:
```
r=n=int(input())
a=*map(int,input().split()),
s=set()
i=0
while i<n and a[i]not in s:s|={a[i]};i+=1
while i>=0:
while n>i and a[n-1]not in s:s|={a[n-1]};n-=1
r=min(r,n-i);i-=1;s-={a[i]}
print(r)
``` | output | 1 | 64,918 | 12 | 129,837 |
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}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose... | instruction | 0 | 64,919 | 12 | 129,838 |
Yes | output | 1 | 64,919 | 12 | 129,839 |
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}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose... | instruction | 0 | 64,920 | 12 | 129,840 |
Yes | output | 1 | 64,920 | 12 | 129,841 |
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}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose... | instruction | 0 | 64,921 | 12 | 129,842 |
Yes | output | 1 | 64,921 | 12 | 129,843 |
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}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose... | instruction | 0 | 64,922 | 12 | 129,844 |
Yes | output | 1 | 64,922 | 12 | 129,845 |
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}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose... | instruction | 0 | 64,923 | 12 | 129,846 |
No | output | 1 | 64,923 | 12 | 129,847 |
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}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose... | instruction | 0 | 64,924 | 12 | 129,848 |
No | output | 1 | 64,924 | 12 | 129,849 |
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}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose... | instruction | 0 | 64,925 | 12 | 129,850 |
No | output | 1 | 64,925 | 12 | 129,851 |
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}. You can remove at most one subsegment from it. The remaining elements should be pairwise distinct.
In other words, at most one time you can choose... | instruction | 0 | 64,926 | 12 | 129,852 |
No | output | 1 | 64,926 | 12 | 129,853 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is a sequence of integers p=[p_1, p_2, ..., p_n], consisting of n distinct (unique) positive integers between 1 and n, inclusive. For example, the following sequences are permutations: [3, 4, 1, 2], [1], [1, 2]. The following s... | instruction | 0 | 64,927 | 12 | 129,854 |
Tags: constructive algorithms
Correct Solution:
```
t = int(input())
for i in range(t):
n = int(input())
A = list(map(int, input().split()))
ans = [0] * n
used = [False] * n
ans[0] = A[0]
used[A[0] - 1] = True
if A[0] == 1:
next = 2
else:
next = 1
for i in range(1, ... | output | 1 | 64,927 | 12 | 129,855 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is a sequence of integers p=[p_1, p_2, ..., p_n], consisting of n distinct (unique) positive integers between 1 and n, inclusive. For example, the following sequences are permutations: [3, 4, 1, 2], [1], [1, 2]. The following s... | instruction | 0 | 64,928 | 12 | 129,856 |
Tags: constructive algorithms
Correct Solution:
```
for i in range(int(input())):
n=int(input())
a=list(map(int,input().split()))
q=-1
t=0
r=[]
for i in range(n):
if a[i]<q or a[i]<i+1:
t=1
break
else:
q=a[i]
if t==1:
print(-1)
... | output | 1 | 64,928 | 12 | 129,857 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is a sequence of integers p=[p_1, p_2, ..., p_n], consisting of n distinct (unique) positive integers between 1 and n, inclusive. For example, the following sequences are permutations: [3, 4, 1, 2], [1], [1, 2]. The following s... | instruction | 0 | 64,929 | 12 | 129,858 |
Tags: constructive algorithms
Correct Solution:
```
for i in range(int(input())):
n = int(input())
a = [int(s) for s in input().split()]
b = [0 for i in range(n)]
ans = []
min = 0
for j in range(n):
a[j]-=1
if b[a[j]] == 0:
b[a[j]] = 1
... | output | 1 | 64,929 | 12 | 129,859 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is a sequence of integers p=[p_1, p_2, ..., p_n], consisting of n distinct (unique) positive integers between 1 and n, inclusive. For example, the following sequences are permutations: [3, 4, 1, 2], [1], [1, 2]. The following s... | instruction | 0 | 64,930 | 12 | 129,860 |
Tags: constructive algorithms
Correct Solution:
```
t = int(input())
for _ in range(t):
n = int(input())
a = list(map(int,input().split()))
av = set(range(1,n+1))
ans = []
flag = 0
for i in a:
if i in av:
ans.append(i)
av.remove(i)
else:
for j... | output | 1 | 64,930 | 12 | 129,861 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is a sequence of integers p=[p_1, p_2, ..., p_n], consisting of n distinct (unique) positive integers between 1 and n, inclusive. For example, the following sequences are permutations: [3, 4, 1, 2], [1], [1, 2]. The following s... | instruction | 0 | 64,931 | 12 | 129,862 |
Tags: constructive algorithms
Correct Solution:
```
for i in range(int(input())):
n = int(input())
used = [False for _ in range(n + 1)]
q = list(map(int, input().split()))
res = [-1 for _ in range(n)]
mx = -float("INF")
elem = 1
for i in range(n):
if q[i] > mx:
mx = max(m... | output | 1 | 64,931 | 12 | 129,863 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Permutation p is a sequence of integers p=[p_1, p_2, ..., p_n], consisting of n distinct (unique) positive integers between 1 and n, inclusive. For example, the following sequences are permutations: [3, 4, 1, 2], [1], [1, 2]. The following s... | instruction | 0 | 64,932 | 12 | 129,864 |
Tags: constructive algorithms
Correct Solution:
```
t = int(input())
for j in range(t):
n = int(input())
array = list(map(int, input().split()))
s = set(i + 1 for i in range(n))
s.difference_update(set(array))
a = list(s)
ans = list()
x = 0
h = 1
prev = 0
for elem in array:
... | output | 1 | 64,932 | 12 | 129,865 |
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