message stringlengths 2 48.6k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 318 108k | cluster float64 8 8 | __index_level_0__ int64 636 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th character is "1" if there is a mine under the bu... | instruction | 0 | 100,514 | 8 | 201,028 |
Tags: dp, greedy, math, sortings
Correct Solution:
```
# -*- coding: utf-8 -*-
import sys
from collections import deque, defaultdict, namedtuple
import heapq
from math import sqrt, factorial, gcd, ceil, atan, pi
from itertools import permutations
# def input(): return sys.stdin.readline().strip()
# def input(): return... | output | 1 | 100,514 | 8 | 201,029 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th character is "1" if there is a mine under the bu... | instruction | 0 | 100,515 | 8 | 201,030 |
Tags: dp, greedy, math, sortings
Correct Solution:
```
from sys import stdin
input = stdin.readline
t=int(input())
for i in range(t):
a,b=map(int,input().split())
s=input()
n=len(s)-1
i=0
arr=[]
while i<n:
if s[i]=="0":
i=i+1
continue
j=i
whi... | output | 1 | 100,515 | 8 | 201,031 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th character is "1" if there is a mine under the bu... | instruction | 0 | 100,516 | 8 | 201,032 |
Tags: dp, greedy, math, sortings
Correct Solution:
```
t = int(input().strip())
for case in range(t):
a, b = map(int, input().split(' '))
m_line = input().strip()
if len(m_line) == 0:
print(0)
continue
onepart_cnt = 0
pre_m = ''
for m in m_line:
if pre_m == '1' and m ==... | output | 1 | 100,516 | 8 | 201,033 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th character is "1" if there is a mine under the bu... | instruction | 0 | 100,517 | 8 | 201,034 |
Tags: dp, greedy, math, sortings
Correct Solution:
```
for _ in range(int(input())):
a,b=map(int,input().split())
c,d=-100000,a
for i in input():
if i=='1':
if c>0: d+=min(a,c*b)
c=0
else: c+=1
print(0 if c<0 else d)
``` | output | 1 | 100,517 | 8 | 201,035 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th c... | instruction | 0 | 100,518 | 8 | 201,036 |
Yes | output | 1 | 100,518 | 8 | 201,037 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th c... | instruction | 0 | 100,519 | 8 | 201,038 |
Yes | output | 1 | 100,519 | 8 | 201,039 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th c... | instruction | 0 | 100,520 | 8 | 201,040 |
Yes | output | 1 | 100,520 | 8 | 201,041 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th c... | instruction | 0 | 100,521 | 8 | 201,042 |
Yes | output | 1 | 100,521 | 8 | 201,043 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th c... | instruction | 0 | 100,522 | 8 | 201,044 |
No | output | 1 | 100,522 | 8 | 201,045 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th c... | instruction | 0 | 100,523 | 8 | 201,046 |
No | output | 1 | 100,523 | 8 | 201,047 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th c... | instruction | 0 | 100,524 | 8 | 201,048 |
No | output | 1 | 100,524 | 8 | 201,049 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bertown is a city with n buildings in a straight line.
The city's security service discovered that some buildings were mined. A map was compiled, which is a string of length n, where the i-th c... | instruction | 0 | 100,525 | 8 | 201,050 |
No | output | 1 | 100,525 | 8 | 201,051 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have a nuts and lots of boxes. The boxes have a wonderful feature: if you put x (x ≥ 0) divisors (the spacial bars that can divide a box) to it, you get a box, divided into x + 1 sections.
You are minimalist. Therefore, on the one hand,... | instruction | 0 | 100,672 | 8 | 201,344 |
Tags: greedy, math
Correct Solution:
```
def ceiling_div(x, y):
res = x // y
if (x % y != 0):
res += 1
return res
k, a, b, v = map(int, input().split())
sec = ceiling_div(a, v)
res = max(sec - b, ceiling_div(sec, k))
print(res)
``` | output | 1 | 100,672 | 8 | 201,345 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a nuts and lots of boxes. The boxes have a wonderful feature: if you put x (x ≥ 0) divisors (the spacial bars that can divide a box) to it, you get a box, divided into x + 1 sections.
... | instruction | 0 | 100,676 | 8 | 201,352 |
Yes | output | 1 | 100,676 | 8 | 201,353 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a nuts and lots of boxes. The boxes have a wonderful feature: if you put x (x ≥ 0) divisors (the spacial bars that can divide a box) to it, you get a box, divided into x + 1 sections.
... | instruction | 0 | 100,677 | 8 | 201,354 |
Yes | output | 1 | 100,677 | 8 | 201,355 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a nuts and lots of boxes. The boxes have a wonderful feature: if you put x (x ≥ 0) divisors (the spacial bars that can divide a box) to it, you get a box, divided into x + 1 sections.
... | instruction | 0 | 100,678 | 8 | 201,356 |
Yes | output | 1 | 100,678 | 8 | 201,357 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a nuts and lots of boxes. The boxes have a wonderful feature: if you put x (x ≥ 0) divisors (the spacial bars that can divide a box) to it, you get a box, divided into x + 1 sections.
... | instruction | 0 | 100,679 | 8 | 201,358 |
Yes | output | 1 | 100,679 | 8 | 201,359 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a nuts and lots of boxes. The boxes have a wonderful feature: if you put x (x ≥ 0) divisors (the spacial bars that can divide a box) to it, you get a box, divided into x + 1 sections.
... | instruction | 0 | 100,680 | 8 | 201,360 |
No | output | 1 | 100,680 | 8 | 201,361 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a nuts and lots of boxes. The boxes have a wonderful feature: if you put x (x ≥ 0) divisors (the spacial bars that can divide a box) to it, you get a box, divided into x + 1 sections.
... | instruction | 0 | 100,681 | 8 | 201,362 |
No | output | 1 | 100,681 | 8 | 201,363 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a nuts and lots of boxes. The boxes have a wonderful feature: if you put x (x ≥ 0) divisors (the spacial bars that can divide a box) to it, you get a box, divided into x + 1 sections.
... | instruction | 0 | 100,682 | 8 | 201,364 |
No | output | 1 | 100,682 | 8 | 201,365 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a nuts and lots of boxes. The boxes have a wonderful feature: if you put x (x ≥ 0) divisors (the spacial bars that can divide a box) to it, you get a box, divided into x + 1 sections.
... | instruction | 0 | 100,683 | 8 | 201,366 |
No | output | 1 | 100,683 | 8 | 201,367 |
Provide a correct Python 3 solution for this coding contest problem.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following operation repeatedly until there is only one slime:
* Choo... | instruction | 0 | 100,984 | 8 | 201,968 |
"Correct Solution:
```
n = int(input())
*A, = map(int, input().split())
S = [0]
for i in range(n):
S.append(S[-1]+A[i])
DP = [[None for j in range(n+1)] for i in range(n)]
def dp(i, j):
if j <= i+1:
return 0
if DP[i][j] != None:
return DP[i][j]
DP[i][j] = S[j]-S[i]+min([dp(i, k)+dp(k, j)... | output | 1 | 100,984 | 8 | 201,969 |
Provide a correct Python 3 solution for this coding contest problem.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following operation repeatedly until there is only one slime:
* Choo... | instruction | 0 | 100,985 | 8 | 201,970 |
"Correct Solution:
```
from itertools import accumulate
n = int(input())
a = [0] + list(accumulate(map(int, input().split())))
dp = [[0] * (n + 1) for i in range(n + 1)]
for i in range(n)[::-1]:
for j in range(i + 1, n + 1):
if j - i == 1:
continue
dp[i][j] = min([dp[i][k] + dp[k][j] ... | output | 1 | 100,985 | 8 | 201,971 |
Provide a correct Python 3 solution for this coding contest problem.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following operation repeatedly until there is only one slime:
* Choo... | instruction | 0 | 100,986 | 8 | 201,972 |
"Correct Solution:
```
import sys
INF = 10**14
LI = lambda : [int(x) for x in sys.stdin.readline().split()]
NI = lambda : int(sys.stdin.readline())
N = NI()
a = LI()
sn = [[0 for _ in range(N)] for _ in range(N)]
dp = [[INF for _ in range(N)] for _ in range(N)]
for i in range(N):
x = 0
for j in range(i,N):
... | output | 1 | 100,986 | 8 | 201,973 |
Provide a correct Python 3 solution for this coding contest problem.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following operation repeatedly until there is only one slime:
* Choo... | instruction | 0 | 100,987 | 8 | 201,974 |
"Correct Solution:
```
import sys
from itertools import accumulate
sys.setrecursionlimit(10 ** 9)
N = int(input())
A = list(map(int, input().split()))
acc = [0] + list(accumulate(A))
# dp[i][j] := 区間[i, j]のスライムたちを１匹にまとめるのに必要なコスト
dp = [[None] * N for _ in range(N)]
for i in range(N):
dp[i][i] = 0
def dfs(i, j):
... | output | 1 | 100,987 | 8 | 201,975 |
Provide a correct Python 3 solution for this coding contest problem.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following operation repeatedly until there is only one slime:
* Choo... | instruction | 0 | 100,988 | 8 | 201,976 |
"Correct Solution:
```
import sys
input=sys.stdin.readline
sys.setrecursionlimit(100000000)
MOD = 10**9+7
INF = 10 ** 20
from functools import lru_cache
MAXN = 405
a = [0] * MAXN
dp = [[-1] * MAXN for _ in range(MAXN)]
def dfs(l,r):
if dp[l][r] != -1:
return dp[l][r]
if r - l == 1:
dp[l][r] = ... | output | 1 | 100,988 | 8 | 201,977 |
Provide a correct Python 3 solution for this coding contest problem.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following operation repeatedly until there is only one slime:
* Choo... | instruction | 0 | 100,989 | 8 | 201,978 |
"Correct Solution:
```
N = int(input())
A = list(map(int, input().split()))
dp = [[-1]*N for _ in range(N)]
for i in range(N):
dp[i][i] = 0
def main(l, r):
if dp[l][r] != -1:
return dp[l][r]
ret = 10**15
for i in range(l, r):
ret = min(ret, main(l, i)+main(i+1, r))
ret += sum(A[l:r... | output | 1 | 100,989 | 8 | 201,979 |
Provide a correct Python 3 solution for this coding contest problem.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following operation repeatedly until there is only one slime:
* Choo... | instruction | 0 | 100,990 | 8 | 201,980 |
"Correct Solution:
```
# dp[l][r]=min(区間[l,r]を合成するための最小コスト)
n=int(input())
a=list(map(int,input().split()))
INF=10**15
dp=[[0]*n for i in range(n)]
for i in range(n):
dp[i][i]=a[i]
# 合成するときの必要経費を構成
for i in range(n-1):
for j in range(i+1,n):
dp[i][j]=dp[i][j-1]+a[j]
dp[0][-1]=0
# dp[i][j]=min(dp[i][k]+d... | output | 1 | 100,990 | 8 | 201,981 |
Provide a correct Python 3 solution for this coding contest problem.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following operation repeatedly until there is only one slime:
* Choo... | instruction | 0 | 100,991 | 8 | 201,982 |
"Correct Solution:
```
N=int(input())
A=list(map(int,input().split()))
DPLIST=[[None]*N for i in range(N)]
SUM=[0]
for i in range(N):
DPLIST[i][i]=0
SUM.append(SUM[-1]+A[i])
for i in range(1,N):
for j in range(i,N):
ANS=float("inf")
for k in range(j-i,j):
if ANS>DPLIST[j-i]... | output | 1 | 100,991 | 8 | 201,983 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following ope... | instruction | 0 | 100,992 | 8 | 201,984 |
Yes | output | 1 | 100,992 | 8 | 201,985 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following ope... | instruction | 0 | 100,993 | 8 | 201,986 |
Yes | output | 1 | 100,993 | 8 | 201,987 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following ope... | instruction | 0 | 100,994 | 8 | 201,988 |
Yes | output | 1 | 100,994 | 8 | 201,989 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following ope... | instruction | 0 | 100,995 | 8 | 201,990 |
Yes | output | 1 | 100,995 | 8 | 201,991 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following ope... | instruction | 0 | 100,996 | 8 | 201,992 |
No | output | 1 | 100,996 | 8 | 201,993 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following ope... | instruction | 0 | 100,997 | 8 | 201,994 |
No | output | 1 | 100,997 | 8 | 201,995 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following ope... | instruction | 0 | 100,998 | 8 | 201,996 |
No | output | 1 | 100,998 | 8 | 201,997 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N slimes lining up in a row. Initially, the i-th slime from the left has a size of a_i.
Taro is trying to combine all the slimes into a larger slime. He will perform the following ope... | instruction | 0 | 100,999 | 8 | 201,998 |
No | output | 1 | 100,999 | 8 | 201,999 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice has got addicted to a game called Sirtet recently.
In Sirtet, player is given an n × m grid. Initially a_{i,j} cubes are stacked up in the cell (i,j). Two cells are called adjacent if the... | instruction | 0 | 101,361 | 8 | 202,722 |
No | output | 1 | 101,361 | 8 | 202,723 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N logs of lengths A_1,A_2,\cdots A_N.
We can cut these logs at most K times in total. When a log of length L is cut at a point whose distance from an end of the log is t (0<t<L), it bec... | instruction | 0 | 102,700 | 8 | 205,400 |
No | output | 1 | 102,700 | 8 | 205,401 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N logs of lengths A_1,A_2,\cdots A_N.
We can cut these logs at most K times in total. When a log of length L is cut at a point whose distance from an end of the log is t (0<t<L), it bec... | instruction | 0 | 102,702 | 8 | 205,404 |
No | output | 1 | 102,702 | 8 | 205,405 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day you wanted to read something, so you went to your bookshelf to grab some book. But when you saw how messy the bookshelf was you decided to clean it up first.
<image>
There are n books standing in a row on the shelf, the i-th book h... | instruction | 0 | 103,108 | 8 | 206,216 |
Tags: data structures, dp, greedy
Correct Solution:
```
n = int(input())
a = [int(t)-1 for t in input().split()]
l, r = [-1]*n, [-1]*n
for i, x in enumerate(a):
if l[x] == -1:
l[x] = i
r[x] = i
dp = [0]*(n+1)
cnt = [0]*n
for i in reversed(range(n)):
x = a[i]
cnt[x] += 1
dp[i] = dp[i+1]
... | output | 1 | 103,108 | 8 | 206,217 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day you wanted to read something, so you went to your bookshelf to grab some book. But when you saw how messy the bookshelf was you decided to clean it up first.
<image>
There are n books standing in a row on the shelf, the i-th book h... | instruction | 0 | 103,109 | 8 | 206,218 |
Tags: data structures, dp, greedy
Correct Solution:
```
import bisect
n = int(input())
arr = list(map(int,input().split()))
#arr = arr[::-1]
dp = [-1]*n+[0]
rear = n-1
indexlist = [[] for i in range(n+1)]
for i in range(n):
indexlist[ arr[i] ].append(i)
def getnext(index):
if index>=rear: return 0... | output | 1 | 103,109 | 8 | 206,219 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day you wanted to read something, so you went to your bookshelf to grab some book. But when you saw how messy the bookshelf was you decided to clean it up first.
<image>
There are n books standing in a row on the shelf, the i-th book h... | instruction | 0 | 103,110 | 8 | 206,220 |
Tags: data structures, dp, greedy
Correct Solution:
```
"""
#If FastIO not needed, use this and don't forget to strip
#import sys, math
#input = sys.stdin.readline
"""
import os
import sys
from io import BytesIO, IOBase
import heapq as h
from bisect import bisect_left, bisect_right
import time
from types import Gene... | output | 1 | 103,110 | 8 | 206,221 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day you wanted to read something, so you went to your bookshelf to grab some book. But when you saw how messy the bookshelf was you decided to clean it up first.
<image>
There are n books standing in a row on the shelf, the i-th book h... | instruction | 0 | 103,111 | 8 | 206,222 |
Tags: data structures, dp, greedy
Correct Solution:
```
from collections import Counter
n = int(input())
A = list(map(int, input().split()))
left, right = {}, {}
for i, a in enumerate(A):
left.setdefault(a, i)
right[a] = i
dp = [0] * (n + 1)
cnt = Counter()
for i in range(n - 1, -1, -1):
dp[i] = dp[i + 1]
... | output | 1 | 103,111 | 8 | 206,223 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day you wanted to read something, so you went to your bookshelf to grab some book. But when you saw how messy the bookshelf was you decided to clean it up first.
<image>
There are n books standing in a row on the shelf, the i-th book h... | instruction | 0 | 103,112 | 8 | 206,224 |
Tags: data structures, dp, greedy
Correct Solution:
```
from bisect import *
from collections import *
from math import gcd,ceil,sqrt,floor,inf
from heapq import *
from itertools import *
from operator import add,mul,sub,xor,truediv,floordiv
from functools import *
#---------------------------------------------------... | output | 1 | 103,112 | 8 | 206,225 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day you wanted to read something, so you went to your bookshelf to grab some book. But when you saw how messy the bookshelf was you decided to clean it up first.
<image>
There are n books standing in a row on the shelf, the i-th book h... | instruction | 0 | 103,113 | 8 | 206,226 |
Tags: data structures, dp, greedy
Correct Solution:
```
import sys
input = sys.stdin.readline
from collections import Counter
n = int(input())
A = list(map(int, input().split()))
left, right = {}, {}
for i, a in enumerate(A):
left.setdefault(a, i)
right[a] = i
dp = [0] * (n + 1)
cnt = Counter()
for i in range(... | output | 1 | 103,113 | 8 | 206,227 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day you wanted to read something, so you went to your bookshelf to grab some book. But when you saw how messy the bookshelf was you decided to clean it up first.
<image>
There are n books standing in a row on the shelf, the i-th book h... | instruction | 0 | 103,114 | 8 | 206,228 |
Tags: data structures, dp, greedy
Correct Solution:
```
from collections import defaultdict
from itertools import accumulate
import sys
input = sys.stdin.readline
'''
for CASES in range(int(input())):
n, m = map(int, input().split())
n = int(input())
A = list(map(int, input().split()))
S = input().strip()
sys.stdout.wr... | output | 1 | 103,114 | 8 | 206,229 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day you wanted to read something, so you went to your bookshelf to grab some book. But when you saw how messy the bookshelf was you decided to clean it up first.
<image>
There are n books standing in a row on the shelf, the i-th book h... | instruction | 0 | 103,115 | 8 | 206,230 |
Tags: data structures, dp, greedy
Correct Solution:
```
import sys
from sys import stdin
n = int(stdin.readline())
a = list(map(int,stdin.readline().split()))
clis = [ [] for i in range(n+1) ]
for i in range(n):
clis[a[i]].append(i)
dp = [0] * (n+1)
app = [0] * (n+1)
for i in range(n-1,-1,-1):
app[a[i]] +=... | output | 1 | 103,115 | 8 | 206,231 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day you wanted to read something, so you went to your bookshelf to grab some book. But when you saw how messy the bookshelf was you decided to clean it up first.
<image>
There are n books ... | instruction | 0 | 103,116 | 8 | 206,232 |
Yes | output | 1 | 103,116 | 8 | 206,233 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day you wanted to read something, so you went to your bookshelf to grab some book. But when you saw how messy the bookshelf was you decided to clean it up first.
<image>
There are n books ... | instruction | 0 | 103,117 | 8 | 206,234 |
Yes | output | 1 | 103,117 | 8 | 206,235 |
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