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 tags and a correct Python 3 solution for this coding contest problem.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a new problem involving MEX every day, including ... | instruction | 0 | 106,343 | 12 | 212,686 |
Tags: binary search, data structures, two pointers
Correct Solution:
```
class SegmentTree:
def __init__(self, init_val, segfunc, ide_ele):
n = len(init_val)
self.segfunc = segfunc
self.ide_ele = ide_ele
self.num = 1 << (n - 1).bit_length()
self.tree = [ide_ele] * 2 * self.nu... | output | 1 | 106,343 | 12 | 212,687 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a new problem involving MEX every day, including ... | instruction | 0 | 106,344 | 12 | 212,688 |
Tags: binary search, data structures, two pointers
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
ans = 1
last, pre = [0] * (n + 2), [n + 2] * (n + 2)
b = [n + 1] * (n + 1)
for i in range(1, n + 1):
pre[i] = last[a[i - 1]]
last[a[i - 1]] = i
def update(i, x):
while i <= n:
... | output | 1 | 106,344 | 12 | 212,689 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a new problem involving MEX every day, including ... | instruction | 0 | 106,345 | 12 | 212,690 |
Tags: binary search, data structures, two pointers
Correct Solution:
```
import sys
def input(): return sys.stdin.readline().strip()
def list2d(a, b, c): return [[c] * b for i in range(a)]
def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)]
def list4d(a, b, c, d, e): return [[[[e] * d for k ... | output | 1 | 106,345 | 12 | 212,691 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a new problem involving MEX every day, including ... | instruction | 0 | 106,346 | 12 | 212,692 |
Tags: binary search, data structures, two pointers
Correct Solution:
```
import sys, math
import io, os
#data = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
from bisect import bisect_left as bl, bisect_right as br, insort
from heapq import heapify, heappush, heappop
from collections import defaultdict as dd, deq... | output | 1 | 106,346 | 12 | 212,693 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a new problem involving MEX every day, including ... | instruction | 0 | 106,347 | 12 | 212,694 |
Tags: binary search, data structures, two pointers
Correct Solution:
```
class SegmentTree:
def __init__(self, init_val, segfunc, ide_ele):
n = len(init_val);self.segfunc = segfunc;self.ide_ele = ide_ele;self.num = 1 << (n - 1).bit_length();self.tree = [ide_ele] * 2 * self.num;self.range = [(-1,n)] * 2 * se... | output | 1 | 106,347 | 12 | 212,695 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a new problem involving MEX every day, including ... | instruction | 0 | 106,348 | 12 | 212,696 |
Tags: binary search, data structures, two pointers
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
mn = [-1 for _ in range(n*4)]
def Set(c, ss, se, qi, f):
if ss==se:
mn[c] = f
else:
mid = ss+se>>1
if qi<=mid:
Set(c*2, ss, mid, qi, f)
else:
Set(c*2+1, mid+1, se, qi, f)
mn[c... | output | 1 | 106,348 | 12 | 212,697 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a ... | instruction | 0 | 106,349 | 12 | 212,698 |
Yes | output | 1 | 106,349 | 12 | 212,699 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a ... | instruction | 0 | 106,350 | 12 | 212,700 |
Yes | output | 1 | 106,350 | 12 | 212,701 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a ... | instruction | 0 | 106,351 | 12 | 212,702 |
Yes | output | 1 | 106,351 | 12 | 212,703 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a ... | instruction | 0 | 106,352 | 12 | 212,704 |
No | output | 1 | 106,352 | 12 | 212,705 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a ... | instruction | 0 | 106,353 | 12 | 212,706 |
No | output | 1 | 106,353 | 12 | 212,707 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a ... | instruction | 0 | 106,354 | 12 | 212,708 |
No | output | 1 | 106,354 | 12 | 212,709 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem MEX of a certain array is the smallest positive integer not contained in this array.
Everyone knows this definition, including Lesha. But Lesha loves MEX, so he comes up with a ... | instruction | 0 | 106,355 | 12 | 212,710 |
No | output | 1 | 106,355 | 12 | 212,711 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appe... | instruction | 0 | 106,356 | 12 | 212,712 |
Tags: dp, math, probabilities
Correct Solution:
```
from sys import stdin
t = int(stdin.readline())
for _ in range(t):
n, m = tuple(int(x) for x in stdin.readline().split())
data = tuple(int(x) for x in stdin.readline().split())
exp = []
for _ in range(m):
exp.append(stdin.readline().split())
... | output | 1 | 106,356 | 12 | 212,713 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appe... | instruction | 0 | 106,357 | 12 | 212,714 |
Tags: dp, math, probabilities
Correct Solution:
```
import sys
input=sys.stdin.readline
#print=sys.stdout.write
#sys.setrecursionlimit(100000)
#from heapq import *
#from collections import deque as dq
#from math import ceil,floor,sqrt,gcd,log
#import bisect as bs
#from collections import Counter
#from collections impor... | output | 1 | 106,357 | 12 | 212,715 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appe... | instruction | 0 | 106,358 | 12 | 212,716 |
Tags: dp, math, probabilities
Correct Solution:
```
t = int(input())
while t > 0:
t -= 1
n, m = map(int, input().split())
lst = list(map(int, input().split()))
lst.reverse()
k = n
for i in lst:
if i == k:
k -= 1
else:
break
ans = 1.0
for i in range... | output | 1 | 106,358 | 12 | 212,717 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appe... | instruction | 0 | 106,359 | 12 | 212,718 |
Tags: dp, math, probabilities
Correct Solution:
```
for _ in range (int(input())) :
n,m = list(map(int, input().split()))
a = list(map(int, input().split()))
x = n
for i in range (n-1,-1,-1) :
if x != a[i] :
break
x -= 1
ans = 1
for _ in range (m) :
i,... | output | 1 | 106,359 | 12 | 212,719 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appe... | instruction | 0 | 106,360 | 12 | 212,720 |
Tags: dp, math, probabilities
Correct Solution:
```
t = int(input())
for _ in range(t):
n,k = map(int,input().split())
arr = list(map(int,input().strip().split()))[:n]
p = 1;i = n-1
while i >=0:
if arr[i] != i+1:
break
i-=1
ans = 0
i+=1
for z in range(k):
... | output | 1 | 106,360 | 12 | 212,721 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appe... | instruction | 0 | 106,361 | 12 | 212,722 |
Tags: dp, math, probabilities
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
# region fastio
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable = "x" in file.mode or "r" n... | output | 1 | 106,361 | 12 | 212,723 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appe... | instruction | 0 | 106,362 | 12 | 212,724 |
Tags: dp, math, probabilities
Correct Solution:
```
def proba(arr,po):
maxi=None
for i in range(len(arr)-1,-1,-1):
if arr[i]!=i+1:
maxi=i
break
if maxi==None:
return 1.0
ans=1
po=sorted(po,key=lambda s:s[0],reverse=True)
for i in range(len(po)):
if... | output | 1 | 106,362 | 12 | 212,725 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appe... | instruction | 0 | 106,363 | 12 | 212,726 |
Tags: dp, math, probabilities
Correct Solution:
```
# by the authority of GOD author: manhar singh sachdev #
import os,sys
from io import BytesIO, IOBase
def main():
for _ in range(int(input())):
n,m = map(int,input().split())
a = list(map(int,input().split()))
j = n-1
while j ... | output | 1 | 106,363 | 12 | 212,727 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permut... | instruction | 0 | 106,364 | 12 | 212,728 |
Yes | output | 1 | 106,364 | 12 | 212,729 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permut... | instruction | 0 | 106,365 | 12 | 212,730 |
Yes | output | 1 | 106,365 | 12 | 212,731 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permut... | instruction | 0 | 106,366 | 12 | 212,732 |
Yes | output | 1 | 106,366 | 12 | 212,733 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permut... | instruction | 0 | 106,367 | 12 | 212,734 |
Yes | output | 1 | 106,367 | 12 | 212,735 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permut... | instruction | 0 | 106,368 | 12 | 212,736 |
No | output | 1 | 106,368 | 12 | 212,737 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permut... | instruction | 0 | 106,369 | 12 | 212,738 |
No | output | 1 | 106,369 | 12 | 212,739 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permut... | instruction | 0 | 106,370 | 12 | 212,740 |
No | output | 1 | 106,370 | 12 | 212,741 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ron is a happy owner of a permutation a of length n.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permut... | instruction | 0 | 106,371 | 12 | 212,742 |
No | output | 1 | 106,371 | 12 | 212,743 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (n + 1)/(2) ⌋ after we sort the elements in non-... | instruction | 0 | 106,372 | 12 | 212,744 |
Tags: binary search, data structures, dp
Correct Solution:
```
def find(x):
pre=[0]*(n+1)
cur=0
for i in range(n):
if(a[i]<x):
cur-=1
else:
cur+=1
if(i>=k-1):
if(cur-pre[i-k]>0):
return 1
pre[i]=min(pre[i-1],cur)
return... | output | 1 | 106,372 | 12 | 212,745 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (n + 1)/(2) ⌋ after we sort the elements in non-... | instruction | 0 | 106,373 | 12 | 212,746 |
Tags: binary search, data structures, dp
Correct Solution:
```
n, k = map(int, input().split())
a = [int(i) for i in input().split()]
l = 1
r = n + 1
while r - l > 1:
mid = (r + l) // 2
b = [1 if i >= mid else -1 for i in a]
for i in range(1, len(b)):
b[i] += b[i - 1]
ans = False
if b[k - 1]... | output | 1 | 106,373 | 12 | 212,747 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (n + 1)/(2) ⌋ after we sort the elements in non-... | instruction | 0 | 106,374 | 12 | 212,748 |
Tags: binary search, data structures, dp
Correct Solution:
```
from sys import stdin
from collections import Counter
from math import pow, sqrt, factorial, log10, log
from itertools import permutations, combinations, combinations_with_replacement
input = stdin.readline
def li(): return list(map(int, input().split()))
... | output | 1 | 106,374 | 12 | 212,749 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (n + 1)/(2) ⌋ after we sort the elements in non-... | instruction | 0 | 106,375 | 12 | 212,750 |
Tags: binary search, data structures, dp
Correct Solution:
```
import sys
input = sys.stdin.readline
n,k=map(int,input().split())
A=list(map(int,input().split()))
MIN=min(A)
MAX=max(A)
OK=MIN
NG=MAX+1
seg_el=1<<((n+1).bit_length())
def update(n,x,seg_el):
i=n+seg_el
SEG[i]=x
i>>=1
while i!=0:
... | output | 1 | 106,375 | 12 | 212,751 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (n + 1)/(2) ⌋ after we sort the elements in non-... | instruction | 0 | 106,376 | 12 | 212,752 |
Tags: binary search, data structures, dp
Correct Solution:
```
def proc1(m: int, arr: list) -> None:
global cnt1
global cnt2
cnt1 = [0] * (n + 2)
cnt2 = [0] * (n + 2)
for i in range(1, n + 1):
if arr[i] < m:
cnt1[i] = cnt1[i-1] - 1
else:
cnt1[i] = cnt1[i-1] + ... | output | 1 | 106,376 | 12 | 212,753 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (n + 1)/(2) ⌋ after we sort the elements in non-... | instruction | 0 | 106,377 | 12 | 212,754 |
Tags: binary search, data structures, dp
Correct Solution:
```
N,K=map(int,input().split())
A=list(map(int,input().split()))
L,R=1,N
while L<R:
M=(L+R+1)>>1
B=[0]*(N+1)
for i in range(N):
if A[i]>=M:
B[i+1]=1
else:
B[i+1]=-1
B[i+1]+=B[i]
X=0
F=0
for i in range(K,N+1):
X=min(X,B[i... | output | 1 | 106,377 | 12 | 212,755 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (n + 1)/(2) ⌋ after we sort the elements in non-... | instruction | 0 | 106,378 | 12 | 212,756 |
Tags: binary search, data structures, dp
Correct Solution:
```
#######################################################################################################################
# Author: BlackFyre
# Language: PyPy 3.7
######################################################################################... | output | 1 | 106,378 | 12 | 212,757 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (n + 1)/(2) ⌋ after we sort the elements in non-... | instruction | 0 | 106,379 | 12 | 212,758 |
Tags: binary search, data structures, dp
Correct Solution:
```
import sys, math, itertools, random, bisect
from collections import defaultdict
INF = sys.maxsize
def get_ints(): return map(int, sys.stdin.readline().strip().split())
def get_array(): return list(map(int, sys.stdin.readline().strip().split()))
def input():... | output | 1 | 106,379 | 12 | 212,759 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (... | instruction | 0 | 106,380 | 12 | 212,760 |
Yes | output | 1 | 106,380 | 12 | 212,761 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (... | instruction | 0 | 106,381 | 12 | 212,762 |
Yes | output | 1 | 106,381 | 12 | 212,763 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (... | instruction | 0 | 106,382 | 12 | 212,764 |
Yes | output | 1 | 106,382 | 12 | 212,765 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (... | instruction | 0 | 106,383 | 12 | 212,766 |
Yes | output | 1 | 106,383 | 12 | 212,767 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (... | instruction | 0 | 106,384 | 12 | 212,768 |
No | output | 1 | 106,384 | 12 | 212,769 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (... | instruction | 0 | 106,385 | 12 | 212,770 |
No | output | 1 | 106,385 | 12 | 212,771 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (... | instruction | 0 | 106,386 | 12 | 212,772 |
No | output | 1 | 106,386 | 12 | 212,773 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are a given an array a of length n. Find a subarray a[l..r] with length at least k with the largest median.
A median in an array of length n is an element which occupies position number ⌊ (... | instruction | 0 | 106,387 | 12 | 212,774 |
No | output | 1 | 106,387 | 12 | 212,775 |
Provide tags and a correct Python 3 solution for this coding contest problem.
DZY has a sequence a, consisting of n integers.
We'll call a sequence ai, ai + 1, ..., aj (1 ≤ i ≤ j ≤ n) a subsegment of the sequence a. The value (j - i + 1) denotes the length of the subsegment.
Your task is to find the longest subsegme... | instruction | 0 | 106,524 | 12 | 213,048 |
Tags: dp, implementation, two pointers
Correct Solution:
```
#ff = open('input.txt')
#for i in range(8):
n = int(input())
#n = int(ff.readline())
a = [int(x) for x in input().split()]
#a = [int(x) for x in ff.readline().split()]
vcnt = 1
vpl = [0]
vpr = []
for i in range(1, n):
if (a[i - 1] >= a[i]):
... | output | 1 | 106,524 | 12 | 213,049 |
Provide tags and a correct Python 3 solution for this coding contest problem.
DZY has a sequence a, consisting of n integers.
We'll call a sequence ai, ai + 1, ..., aj (1 ≤ i ≤ j ≤ n) a subsegment of the sequence a. The value (j - i + 1) denotes the length of the subsegment.
Your task is to find the longest subsegme... | instruction | 0 | 106,525 | 12 | 213,050 |
Tags: dp, implementation, two pointers
Correct Solution:
```
elems = int(input())
data = list(map(int, input().split()))
data.append(float("-inf"))
def find_seq_breaks():
global elems
global data
seq_spans = []
sequence_idx = 0
longest_span = 0
for i in range(1, elems + 1):
if data[i] <... | output | 1 | 106,525 | 12 | 213,051 |
Provide tags and a correct Python 3 solution for this coding contest problem.
DZY has a sequence a, consisting of n integers.
We'll call a sequence ai, ai + 1, ..., aj (1 ≤ i ≤ j ≤ n) a subsegment of the sequence a. The value (j - i + 1) denotes the length of the subsegment.
Your task is to find the longest subsegme... | instruction | 0 | 106,526 | 12 | 213,052 |
Tags: dp, implementation, two pointers
Correct Solution:
```
def canMerge(seq1,seq2):
if len(seq2) == 1:
return True
last = seq1[-1]
second = seq2[1]
if second-last > 1:
return True
if len(seq1) == 1:
return True
second_last = seq1[-2]
first = seq2[0]
if first-... | output | 1 | 106,526 | 12 | 213,053 |
Provide tags and a correct Python 3 solution for this coding contest problem.
DZY has a sequence a, consisting of n integers.
We'll call a sequence ai, ai + 1, ..., aj (1 ≤ i ≤ j ≤ n) a subsegment of the sequence a. The value (j - i + 1) denotes the length of the subsegment.
Your task is to find the longest subsegme... | instruction | 0 | 106,527 | 12 | 213,054 |
Tags: dp, implementation, two pointers
Correct Solution:
```
n = int(input())
sequence = [float('-inf')] + [int(i) for i in input().split()] + [float('inf')]
f1 = [0] * n
f2 = [0] * n
f3 = [True if sequence[i + 1] - sequence[i - 1] >
1 else False for i in range(1, len(sequence) - 1)]
len_1 = 0
len_2 = 0
l = le... | output | 1 | 106,527 | 12 | 213,055 |
Provide tags and a correct Python 3 solution for this coding contest problem.
DZY has a sequence a, consisting of n integers.
We'll call a sequence ai, ai + 1, ..., aj (1 ≤ i ≤ j ≤ n) a subsegment of the sequence a. The value (j - i + 1) denotes the length of the subsegment.
Your task is to find the longest subsegme... | instruction | 0 | 106,528 | 12 | 213,056 |
Tags: dp, implementation, two pointers
Correct Solution:
```
n = int(input())
a = [0] + list(map(int, input().split()))
start = [0] * (n + 1)
end = [0] * (n + 1)
s, e = 1, 1
for i in range(2, n + 1):
e += 1
if a[i] <= a[i - 1]:
start[s:e] = [s] * (e-s)
end[s:e] = [e - 1] * (e-s)
s = e
start[s:] = [s] * (n-s+1)
... | output | 1 | 106,528 | 12 | 213,057 |
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