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.
There are n water tanks in a row, i-th of them contains a_i liters of water. The tanks are numbered from 1 to n from left to right.
You can perform the following operation: choose some subsegment [l, r] (1β€ l β€ r β€ n), and redistribute wate... | instruction | 0 | 67,417 | 8 | 134,834 |
Tags: data structures, geometry, greedy
Correct Solution:
```
# -*- coding: utf-8 -*-
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 [[[... | output | 1 | 67,417 | 8 | 134,835 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n water tanks in a row, i-th of them contains a_i liters of water. The tanks are numbered from 1 to n from left to right.
You can perform the following operation: choose some subsegme... | instruction | 0 | 67,418 | 8 | 134,836 |
Yes | output | 1 | 67,418 | 8 | 134,837 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n water tanks in a row, i-th of them contains a_i liters of water. The tanks are numbered from 1 to n from left to right.
You can perform the following operation: choose some subsegme... | instruction | 0 | 67,419 | 8 | 134,838 |
Yes | output | 1 | 67,419 | 8 | 134,839 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n water tanks in a row, i-th of them contains a_i liters of water. The tanks are numbered from 1 to n from left to right.
You can perform the following operation: choose some subsegme... | instruction | 0 | 67,420 | 8 | 134,840 |
Yes | output | 1 | 67,420 | 8 | 134,841 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n water tanks in a row, i-th of them contains a_i liters of water. The tanks are numbered from 1 to n from left to right.
You can perform the following operation: choose some subsegme... | instruction | 0 | 67,421 | 8 | 134,842 |
Yes | output | 1 | 67,421 | 8 | 134,843 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n water tanks in a row, i-th of them contains a_i liters of water. The tanks are numbered from 1 to n from left to right.
You can perform the following operation: choose some subsegme... | instruction | 0 | 67,422 | 8 | 134,844 |
No | output | 1 | 67,422 | 8 | 134,845 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n water tanks in a row, i-th of them contains a_i liters of water. The tanks are numbered from 1 to n from left to right.
You can perform the following operation: choose some subsegme... | instruction | 0 | 67,423 | 8 | 134,846 |
No | output | 1 | 67,423 | 8 | 134,847 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n water tanks in a row, i-th of them contains a_i liters of water. The tanks are numbered from 1 to n from left to right.
You can perform the following operation: choose some subsegme... | instruction | 0 | 67,424 | 8 | 134,848 |
No | output | 1 | 67,424 | 8 | 134,849 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n water tanks in a row, i-th of them contains a_i liters of water. The tanks are numbered from 1 to n from left to right.
You can perform the following operation: choose some subsegme... | instruction | 0 | 67,425 | 8 | 134,850 |
No | output | 1 | 67,425 | 8 | 134,851 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n + 1)-th one.
The maze is organized as follows... | instruction | 0 | 67,604 | 8 | 135,208 |
Tags: dp, implementation
Correct Solution:
```
no_rooms = int(input())
links = [None] + [int(x) for x in input().split()]
paths = [0] * (no_rooms + 2) # last is total
for i in range(1, no_rooms + 1):
paths[i + 1] = (2 * paths[i] - paths[links[i]] + 2) % 1000000007
print(paths[no_rooms + 1] % 1000000007)
``` | output | 1 | 67,604 | 8 | 135,209 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n + 1)-th one.
The maze is organized as follows... | instruction | 0 | 67,605 | 8 | 135,210 |
Tags: dp, implementation
Correct Solution:
```
n = int(input())
mod = int(1e9+7)
dp = [0]
[dp.append((dp[-1]*2 - dp[int(i)-1] + 2)%mod) for i in input().split()]
print(dp[-1])
``` | output | 1 | 67,605 | 8 | 135,211 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n + 1)-th one.
The maze is organized as follows... | instruction | 0 | 67,606 | 8 | 135,212 |
Tags: dp, implementation
Correct Solution:
```
'''input
4
1 1 2 3
'''
from sys import stdin, stdout
import sys
sys.setrecursionlimit(15000)
# main starts
n = int(stdin.readline().strip())
arr = list(map(int, stdin.readline().split()))
dp = [-1] * (n + 1)
dp[1] = 2
mod = 10 ** 9 + 7
for i in range(2, n + 1):
dp[i] ... | output | 1 | 67,606 | 8 | 135,213 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n + 1)-th one.
The maze is organized as follows... | instruction | 0 | 67,607 | 8 | 135,214 |
Tags: dp, implementation
Correct Solution:
```
import sys
def solve():
mod = 1000 * 1000 * 1000 + 7
n, = rv()
a, = rl(1)
mem = [0] * n
timesofar = 0
for i in range(n):
ariveat = a[i] - 1
moresum = 0
for j in range(ariveat, i):
moresum += mem[j]
mem[i]... | output | 1 | 67,607 | 8 | 135,215 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n + 1)-th one.
The maze is organized as follows... | instruction | 0 | 67,608 | 8 | 135,216 |
Tags: dp, implementation
Correct Solution:
```
###### ### ####### ####### ## # ##### ### #####
# # # # # # # # # # # # # ###
# # # # # # # # # # # # # ###
###### #####... | output | 1 | 67,608 | 8 | 135,217 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n + 1)-th one.
The maze is organized as follows... | instruction | 0 | 67,609 | 8 | 135,218 |
Tags: dp, implementation
Correct Solution:
```
R = lambda: map(int, input().split())
n = int(input())
mod = 1000000007
arr = [x - 1 for x in R()]
dp = [0] * (n + 1)
sdp = [0] * (n + 1)
dp[0] = sdp[0] = 2
for i in range(1, len(arr)):
dp[i] = (2 + sdp[i - 1] - sdp[arr[i] - 1]) % mod
sdp[i] = (sdp[i - 1] + dp[i]) ... | output | 1 | 67,609 | 8 | 135,219 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n + 1)-th one.
The maze is organized as follows... | instruction | 0 | 67,610 | 8 | 135,220 |
Tags: dp, implementation
Correct Solution:
```
from collections import defaultdict, deque, Counter
from sys import stdin, stdout
from heapq import heappush, heappop
import math
import io
import os
import math
import bisect
#?############################################################
def isPrime(x):
for i in ra... | output | 1 | 67,610 | 8 | 135,221 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n + 1)-th one.
The maze is organized as follows... | instruction | 0 | 67,611 | 8 | 135,222 |
Tags: dp, implementation
Correct Solution:
```
#! python3
numRooms = int(input())
links = [0]+[int(x) for x in input().split()]
portalPaths = [0]*(numRooms+2)
for index in range(1, numRooms + 1):
portalPaths[index + 1] = (2*portalPaths[index] - portalPaths[links[index]] + 2) % 1000000007
print(portalPaths[numRooms+1] ... | output | 1 | 67,611 | 8 | 135,223 |
Evaluate the correctness of the submitted Python 2 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n... | instruction | 0 | 67,612 | 8 | 135,224 |
Yes | output | 1 | 67,612 | 8 | 135,225 |
Evaluate the correctness of the submitted Python 2 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n... | instruction | 0 | 67,613 | 8 | 135,226 |
Yes | output | 1 | 67,613 | 8 | 135,227 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n... | instruction | 0 | 67,614 | 8 | 135,228 |
Yes | output | 1 | 67,614 | 8 | 135,229 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n... | instruction | 0 | 67,615 | 8 | 135,230 |
Yes | output | 1 | 67,615 | 8 | 135,231 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n... | instruction | 0 | 67,616 | 8 | 135,232 |
Yes | output | 1 | 67,616 | 8 | 135,233 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n... | instruction | 0 | 67,617 | 8 | 135,234 |
Yes | output | 1 | 67,617 | 8 | 135,235 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n... | instruction | 0 | 67,618 | 8 | 135,236 |
No | output | 1 | 67,618 | 8 | 135,237 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n... | instruction | 0 | 67,619 | 8 | 135,238 |
No | output | 1 | 67,619 | 8 | 135,239 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n... | instruction | 0 | 67,620 | 8 | 135,240 |
No | output | 1 | 67,620 | 8 | 135,241 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day, little Vasya found himself in a maze consisting of (n + 1) rooms, numbered from 1 to (n + 1). Initially, Vasya is at the first room and to get out of the maze, he needs to get to the (n... | instruction | 0 | 67,621 | 8 | 135,242 |
No | output | 1 | 67,621 | 8 | 135,243 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormitory are numbered from 1 to a_i.
A postman del... | instruction | 0 | 67,862 | 8 | 135,724 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
n, m = map(int, input().split())
a = list(map(int, input().split()))
pref = [0] * (n + 1)
for i in range(n):
pref[i + 1] = pref[i] + a[i]
b = list(map(int, input().split()))
pt = 0
left = 0
for i in range(m):
x = b[i]
while (left + a[pt... | output | 1 | 67,862 | 8 | 135,725 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormitory are numbered from 1 to a_i.
A postman del... | instruction | 0 | 67,863 | 8 | 135,726 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
n, m = map(int, input().split())
a = []
a = list(map(int, input().split()))
b = []
b = list(map(int, input().split()))
s=0
c=1
for i in range(0, m):
for f in range(c-1, n):
s += a[f]
c += 1
if (s >= b[i]):
s... | output | 1 | 67,863 | 8 | 135,727 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormitory are numbered from 1 to a_i.
A postman del... | instruction | 0 | 67,864 | 8 | 135,728 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
nm = list(map(int, input().split()))
nbDorm = nm[0]
nbLetters = nm[1]
nbRooms = list(map(int, input().split()))
letters = list(map(int, input().split()))
solD = 0
solR = 0
rooms = nbRooms[0]
i = 0
removeNb = 0
l=0
while l < nbLetters:
let ... | output | 1 | 67,864 | 8 | 135,729 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormitory are numbered from 1 to a_i.
A postman del... | instruction | 0 | 67,865 | 8 | 135,730 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
ndormitorios, ncartas = list(map(int, input().split()))
tamanhodosquartos = list(map(int, input().split()))
cartas = list(map(int, input().split()))
somaatual = 0
dormatual = 0
for carta in cartas:
while(somaatual + tamanhodosquartos[dormatual]... | output | 1 | 67,865 | 8 | 135,731 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormitory are numbered from 1 to a_i.
A postman del... | instruction | 0 | 67,866 | 8 | 135,732 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
n,m=[int(x) for x in input().split()]
a=list(map(int, input().split()))
a.insert(0,0)
for i in range(1,n+1):
a[i]+=a[i-1]
b=list(map(int, input().split()))
i=0
j=1
while i<m and j<n+1:
if b[i]<=a[j]:
print(j,b[i]-a[j-1])
i+... | output | 1 | 67,866 | 8 | 135,733 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormitory are numbered from 1 to a_i.
A postman del... | instruction | 0 | 67,867 | 8 | 135,734 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
n, m = map(int, input().split())
dor = list(map(int, input().split()))
room = list(map(int, input().split()))
r_count = 0
room_no = 0
do = index = 0
test = -1
for i in room:
for d in range(index, n):
if d > test:
r_count +=... | output | 1 | 67,867 | 8 | 135,735 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormitory are numbered from 1 to a_i.
A postman del... | instruction | 0 | 67,868 | 8 | 135,736 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
n, m = map(int, input().split())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
s = 0
x = 0
for i in range(m):
while True:
if b[i] <= s + a[x]:
break
s += a[x]
x += 1
print(x + 1... | output | 1 | 67,868 | 8 | 135,737 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormitory are numbered from 1 to a_i.
A postman del... | instruction | 0 | 67,869 | 8 | 135,738 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
def get_numbers(x, dormitories, num_dormitory):
return True if x <= dormitories[num_dormitory] else False
def get_position(dormitories, rooms):
res = 0
num_dormitory = 1
for x in range(len(dormitories)):
dormitories[x] += r... | output | 1 | 67,869 | 8 | 135,739 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormi... | instruction | 0 | 67,870 | 8 | 135,740 |
Yes | output | 1 | 67,870 | 8 | 135,741 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormi... | instruction | 0 | 67,871 | 8 | 135,742 |
Yes | output | 1 | 67,871 | 8 | 135,743 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormi... | instruction | 0 | 67,872 | 8 | 135,744 |
Yes | output | 1 | 67,872 | 8 | 135,745 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormi... | instruction | 0 | 67,873 | 8 | 135,746 |
Yes | output | 1 | 67,873 | 8 | 135,747 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormi... | instruction | 0 | 67,874 | 8 | 135,748 |
No | output | 1 | 67,874 | 8 | 135,749 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormi... | instruction | 0 | 67,875 | 8 | 135,750 |
No | output | 1 | 67,875 | 8 | 135,751 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormi... | instruction | 0 | 67,876 | 8 | 135,752 |
No | output | 1 | 67,876 | 8 | 135,753 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n dormitories in Berland State University, they are numbered with integers from 1 to n. Each dormitory consists of rooms, there are a_i rooms in i-th dormitory. The rooms in i-th dormi... | instruction | 0 | 67,877 | 8 | 135,754 |
No | output | 1 | 67,877 | 8 | 135,755 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Housing maker Yamada House has launched a new featured product, a land for sale in a green home town with a rich environment such as schools and hospitals. This lot is divided into multiple lots... | instruction | 0 | 68,056 | 8 | 136,112 |
No | output | 1 | 68,056 | 8 | 136,113 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Janet likes playing with cubes. Actually, she likes to play with anything whatsoever, cubes or tesseracts, as long as they are multicolored. Each cube is described by two parameters β col... | instruction | 0 | 68,406 | 8 | 136,812 |
No | output | 1 | 68,406 | 8 | 136,813 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n piles of stones of sizes a1, a2, ..., an lying on the table in front of you.
During one move you can take one pile and add it to the other. As you add pile i to pile j, the size of pile j increases by the current size of pile i,... | instruction | 0 | 68,408 | 8 | 136,816 |
Tags: greedy
Correct Solution:
```
n = int(input())
stones = list(map(lambda t : int(t), input().split()))
q = int(input())
queries = list(map(lambda t : int(t), input().split()))
stones.sort()
added_stones = []
added_stones.append(stones[0])
for i in range(1, n, 1):
added_stones.append(stones[i] + added_stones[i... | output | 1 | 68,408 | 8 | 136,817 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n piles of stones of sizes a1, a2, ..., an lying on the table in front of you.
During one move you can take one pile and add it to the other. As you add pile i to pile j, the size of pile j increases by the current size of pile i,... | instruction | 0 | 68,409 | 8 | 136,818 |
Tags: greedy
Correct Solution:
```
class CodeforcesTask226BSolution:
def __init__(self):
self.result = ''
self.n = 0
self.piles = []
self.q = 0
self.variants = []
def read_input(self):
self.n = int(input())
self.piles = [int(x) for x in input().split(" ")... | output | 1 | 68,409 | 8 | 136,819 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n piles of stones of sizes a1, a2, ..., an lying on the table in front of you.
During one move you can take one pile and add it to the other. As you add pile i to pile j, the size of ... | instruction | 0 | 68,410 | 8 | 136,820 |
No | output | 1 | 68,410 | 8 | 136,821 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Some people leave the lights at their workplaces on when they leave that is a waste of resources. As a hausmeister of DHBW, Sagheer waits till all students and professors leave the university building, then goes and turns all the lights off.... | instruction | 0 | 68,616 | 8 | 137,232 |
Tags: bitmasks, brute force, dp
Correct Solution:
```
# 1000
n_m = [int(x) for x in input().split()]
n_m[1] += 1
floors = []
rooms = []
position = [0, 0]
def judge(a, b, rooms):
# for a
temp = rooms[:]
temp_room = temp.pop(a)
temp_cost = do(temp, temp_room)
# for b
temp1 = rooms[:]
temp1... | output | 1 | 68,616 | 8 | 137,233 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Some people leave the lights at their workplaces on when they leave that is a waste of resources. As a hausmeister of DHBW, Sagheer waits till all students and professors leave the university building, then goes and turns all the lights off.... | instruction | 0 | 68,617 | 8 | 137,234 |
Tags: bitmasks, brute force, dp
Correct Solution:
```
def coun(pref):
now = 0
for i in range(n):
pos = pref[i]
if pos == 'l':
if i < n - 1 and sum(check[(i + 1):]) > 0:
now += 1
if "1" in mat[i]:
if pref[i + 1] == "r":
... | output | 1 | 68,617 | 8 | 137,235 |
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