message stringlengths 2 28.7k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 21 109k | cluster float64 7 7 | __index_level_0__ int64 42 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a garland consisting of n lamps. Each lamp is colored red, green or blue. The color of the i-th lamp is s_i ('R', 'G' and 'B' β colors of lamps in the garland).
You have to recolor som... | instruction | 0 | 67,299 | 7 | 134,598 |
Yes | output | 1 | 67,299 | 7 | 134,599 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a garland consisting of n lamps. Each lamp is colored red, green or blue. The color of the i-th lamp is s_i ('R', 'G' and 'B' β colors of lamps in the garland).
You have to recolor som... | instruction | 0 | 67,300 | 7 | 134,600 |
Yes | output | 1 | 67,300 | 7 | 134,601 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a garland consisting of n lamps. Each lamp is colored red, green or blue. The color of the i-th lamp is s_i ('R', 'G' and 'B' β colors of lamps in the garland).
You have to recolor som... | instruction | 0 | 67,301 | 7 | 134,602 |
Yes | output | 1 | 67,301 | 7 | 134,603 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a garland consisting of n lamps. Each lamp is colored red, green or blue. The color of the i-th lamp is s_i ('R', 'G' and 'B' β colors of lamps in the garland).
You have to recolor som... | instruction | 0 | 67,302 | 7 | 134,604 |
Yes | output | 1 | 67,302 | 7 | 134,605 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a garland consisting of n lamps. Each lamp is colored red, green or blue. The color of the i-th lamp is s_i ('R', 'G' and 'B' β colors of lamps in the garland).
You have to recolor som... | instruction | 0 | 67,303 | 7 | 134,606 |
No | output | 1 | 67,303 | 7 | 134,607 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a garland consisting of n lamps. Each lamp is colored red, green or blue. The color of the i-th lamp is s_i ('R', 'G' and 'B' β colors of lamps in the garland).
You have to recolor som... | instruction | 0 | 67,304 | 7 | 134,608 |
No | output | 1 | 67,304 | 7 | 134,609 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a garland consisting of n lamps. Each lamp is colored red, green or blue. The color of the i-th lamp is s_i ('R', 'G' and 'B' β colors of lamps in the garland).
You have to recolor som... | instruction | 0 | 67,305 | 7 | 134,610 |
No | output | 1 | 67,305 | 7 | 134,611 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have a garland consisting of n lamps. Each lamp is colored red, green or blue. The color of the i-th lamp is s_i ('R', 'G' and 'B' β colors of lamps in the garland).
You have to recolor som... | instruction | 0 | 67,306 | 7 | 134,612 |
No | output | 1 | 67,306 | 7 | 134,613 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny's younger sister Megan had a birthday recently. Her brother has bought her a box signed as "Your beautiful necklace β do it yourself!". It contains many necklace parts and some magic glue... | instruction | 0 | 67,446 | 7 | 134,892 |
No | output | 1 | 67,446 | 7 | 134,893 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny's younger sister Megan had a birthday recently. Her brother has bought her a box signed as "Your beautiful necklace β do it yourself!". It contains many necklace parts and some magic glue... | instruction | 0 | 67,447 | 7 | 134,894 |
No | output | 1 | 67,447 | 7 | 134,895 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny's younger sister Megan had a birthday recently. Her brother has bought her a box signed as "Your beautiful necklace β do it yourself!". It contains many necklace parts and some magic glue... | instruction | 0 | 67,448 | 7 | 134,896 |
No | output | 1 | 67,448 | 7 | 134,897 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny's younger sister Megan had a birthday recently. Her brother has bought her a box signed as "Your beautiful necklace β do it yourself!". It contains many necklace parts and some magic glue... | instruction | 0 | 67,449 | 7 | 134,898 |
No | output | 1 | 67,449 | 7 | 134,899 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut this stripe into three pieces so that the sum ... | instruction | 0 | 67,567 | 7 | 135,134 |
Tags: binary search, dp, sortings
Correct Solution:
```
# -*- coding: utf-8 -*-
"""
Created on Mon Dec 21 09:53:47 2020
@author: DELL
"""
n = int(input())
a = [int(a) for a in input().split()]
s = sum(a)
if s % 3 != 0:
print(0)
else:
s = s // 3
t = 0
ct = 0
res = 0
for i in range(n - 1):
... | output | 1 | 67,567 | 7 | 135,135 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut this stripe into three pieces so that the sum ... | instruction | 0 | 67,568 | 7 | 135,136 |
Tags: binary search, dp, sortings
Correct Solution:
```
n=int(input())
ar=list(map(int,input().split()))
s=sum(ar)
if(s%3!=0):
print(0)
else:
s1,s2,t,v1,v2=s//3,s//3*2,0,0,0
for e in ar[:-1]:
t+=e
if(t==s2):v2+=v1
if(t==s1):v1+=1
print(v2)
``` | output | 1 | 67,568 | 7 | 135,137 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut this stripe into three pieces so that the sum ... | instruction | 0 | 67,569 | 7 | 135,138 |
Tags: binary search, dp, sortings
Correct Solution:
```
n = int(input())
lis = list(map(int,input().split()))
pre=[0]*(n+1)
for i in range(1,n+1):
pre[i]=pre[i-1]+lis[i-1]
if pre[-1]%3:
print(0)
else:
s=pre[-1]//3
ans=t=0
for i in range(1,n):
if pre[i]==2*s:
ans+=t
if pre... | output | 1 | 67,569 | 7 | 135,139 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut this stripe into three pieces so that the sum ... | instruction | 0 | 67,570 | 7 | 135,140 |
Tags: binary search, dp, sortings
Correct Solution:
```
# n = int(input())
# integers = map(int,input().split())
# s = sum(integers)
# if s%3 != 0 or n>3:
# print(0)
# exit()
# temp,total,current = 0,0,0
# for i in range(n-1):
# current += integers[i]
# if current*3 == 2*s:
# total += temp
# if current*3 == s:
#... | output | 1 | 67,570 | 7 | 135,141 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut this stripe into three pieces so that the sum ... | instruction | 0 | 67,571 | 7 | 135,142 |
Tags: binary search, dp, sortings
Correct Solution:
```
#! /usr/bin/python3
def solve():
n = int(input())
a = []
total = 0
for i in input().strip().split():
a.append(int(i))
for i in range(0, n):
total = total + a[i]
if (total % 3 != 0 or n < 3):
print(0)
return
part = total // 3
c = [0] * 100005
... | output | 1 | 67,571 | 7 | 135,143 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut this stripe into three pieces so that the sum ... | instruction | 0 | 67,572 | 7 | 135,144 |
Tags: binary search, dp, sortings
Correct Solution:
```
from itertools import accumulate
n = int(input())
a = list(map(int, input().split()))
s = sum(a)
p = s // 3
k = list(accumulate(a))
r = list(accumulate(x == 2*p for x in reversed(k)))
print(0 if s%3 else sum(r[-1-i] - 2*(not p) for i,x in enumerate(k[:-1]) if x ==... | output | 1 | 67,572 | 7 | 135,145 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut this stripe into three pieces so that the sum ... | instruction | 0 | 67,573 | 7 | 135,146 |
Tags: binary search, dp, sortings
Correct Solution:
```
n=int(input())
arr=list(map(int,input().split()))
psum=arr[:]
for i in range(1,n):
psum[i]+=psum[i-1]
sums=psum[-1]
set1=set()
set2=set()
if sums%3!=0:
print(0)
else:
a=sums//3
for i in range(n):
if psum[i]==a:
set1.add(i)
if psum[i]==2*a an... | output | 1 | 67,573 | 7 | 135,147 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut this stripe into three pieces so that the sum ... | instruction | 0 | 67,574 | 7 | 135,148 |
Tags: binary search, dp, sortings
Correct Solution:
```
#! /usr/bin/python3
def solve():
n = int(input())
a = []
total = 0
for i in input().strip().split():
a.append(int(i))
for i in range(0, n):
total = total + a[i]
if (total % 3 != 0 or n < 3):
print(0)
return
part = total // 3
... | output | 1 | 67,574 | 7 | 135,149 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut... | instruction | 0 | 67,575 | 7 | 135,150 |
No | output | 1 | 67,575 | 7 | 135,151 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut... | instruction | 0 | 67,576 | 7 | 135,152 |
No | output | 1 | 67,576 | 7 | 135,153 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut... | instruction | 0 | 67,577 | 7 | 135,154 |
No | output | 1 | 67,577 | 7 | 135,155 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Once Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exist to cut... | instruction | 0 | 67,578 | 7 | 135,156 |
No | output | 1 | 67,578 | 7 | 135,157 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One Martian boy called Zorg wants to present a string of beads to his friend from the Earth β Masha. He knows that Masha likes two colours: blue and red, β and right in the shop where he has come, there is a variety of adornments with beads ... | instruction | 0 | 67,843 | 7 | 135,686 |
Tags: dp, graphs
Correct Solution:
```
n, m = map(int, input().split())
m += 1
def calc(l, r, eq, eq_i):
if l > r:
return 1
key = l, eq, eq_i
if key in f:
return f[key]
t = 0
for x in (['0', '1'] if s[l] == '?' else [s[l]]):
if l == r:
a = [x]
else:
... | output | 1 | 67,843 | 7 | 135,687 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One Martian boy called Zorg wants to present a string of beads to his friend from the Earth β Masha. He knows that Masha likes two colours: blue and red, β and right in the shop where he has come, there is a variety of adornments with beads ... | instruction | 0 | 67,844 | 7 | 135,688 |
Tags: dp, graphs
Correct Solution:
```
def raschot(d, e, g, h):
if d > e:
return 1
key = d, g, h
if key in b:
return b[key]
f = 0
for x in (['0', '1'] if a0[d] == '?' else [a0[d]]):
if d == e:
a = [x]
else:
a = ['0', '1'] if a0[e] == '?' else [... | output | 1 | 67,844 | 7 | 135,689 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One Martian boy called Zorg wants to present a string of beads to his friend from the Earth β Masha. He knows that Masha likes two colours: blue and red, β and right in the shop where he has come, there is a variety of adornments with beads ... | instruction | 0 | 67,845 | 7 | 135,690 |
Tags: dp, graphs
Correct Solution:
```
__author__ = 'Darren'
def solve():
def calc(lower, upper, record, eq, eq_i):
if lower > upper:
return 1
key = lower, eq, eq_i
if key in record:
return record[key]
t = 0
for x in (['0', '1'] if result[lower] ==... | output | 1 | 67,845 | 7 | 135,691 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of the game is to switch all the lights off. We cons... | instruction | 0 | 68,413 | 7 | 136,826 |
Tags: implementation
Correct Solution:
```
l=[[0]*5]+[[0]+list(map(int,input().split()))+[0] for _ in range(3)]+[[0]*5]
ans=[['']*3 for _ in range(3)]
for i in range(1,4):
for j in range(1,4):
ans[i-1][j-1]=str(1-((l[i][j]+l[i][j-1]+l[i][j+1]+l[i-1][j]+l[i+1][j])%2))
print('\n'.join(map(''.join,ans)))
``` | output | 1 | 68,413 | 7 | 136,827 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of the game is to switch all the lights off. We cons... | instruction | 0 | 68,414 | 7 | 136,828 |
Tags: implementation
Correct Solution:
```
a=[['0','0','0'],['0','0','0'],['0','0','0']]
b=[]
for i in range(3):
x = input().strip().split()
x = [int(x[j]) for j in range(3)]
b.append(x)
if (b[0][0]+b[0][1]+b[1][0])%2 == 0:
a[0][0] = '1'
if (b[0][1]+b[1][1]+b[0][0]+b[0][2])%2 == 0:
a[0][1] = '1'
if ... | output | 1 | 68,414 | 7 | 136,829 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of the game is to switch all the lights off. We cons... | instruction | 0 | 68,415 | 7 | 136,830 |
Tags: implementation
Correct Solution:
```
data = []
for _ in range(3):
data.append(list(map(lambda v: int(v) % 2, input().split())))
result = [[1 - data[i][j] for j in range(3)] for i in range(3)]
result[0][0] += (data[0][1] + data[1][0])
result[0][1] += (data[0][0] + data[0][2] + data[1][1])
result[0][2] += (d... | output | 1 | 68,415 | 7 | 136,831 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of the game is to switch all the lights off. We cons... | instruction | 0 | 68,416 | 7 | 136,832 |
Tags: implementation
Correct Solution:
```
arr_entrada = []
for i in range(0, 3):
arr_entrada.append(input())
rounds = [[0,0,0],[0,0,0],[0,0,0]]
results = [[True,True,True],[True,True,True],[True,True,True]]
for i in range(0 ,3):
for j in range(0, 3):
rounds[i][j] = int(arr_entrada[i].split()[j])
if ... | output | 1 | 68,416 | 7 | 136,833 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of the game is to switch all the lights off. We cons... | instruction | 0 | 68,417 | 7 | 136,834 |
Tags: implementation
Correct Solution:
```
arr_i = [list(map(int, input().split())), list(map(int, input().split())), list(map(int, input().split()))]
arr = [[1 for x in range(3)] for y in range(3)]
arr[0][0] = (arr_i[0][0] + arr_i[0][1] + arr_i[1][0] + 1) % 2
arr[0][1] = (arr_i[0][0] + arr_i[0][1] + arr_i[0][2] + arr... | output | 1 | 68,417 | 7 | 136,835 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of the game is to switch all the lights off. We cons... | instruction | 0 | 68,418 | 7 | 136,836 |
Tags: implementation
Correct Solution:
```
matrix = [[1,1,1],[1,1,1],[1,1,1]]
def is_valid_index(index):
return index >= 0 and index <= 2
def toggle_lights(row, col, toggle):
matrix[row][col] = 0 if (matrix[row][col] == 1 and toggle == 1) or (matrix[row][col] == 0 and toggle == 0) else 1
if is_valid_index... | output | 1 | 68,418 | 7 | 136,837 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of the game is to switch all the lights off. We cons... | instruction | 0 | 68,419 | 7 | 136,838 |
Tags: implementation
Correct Solution:
```
arr=[]
arr.append(list(map(int,input().split())))
arr.append(list(map(int,input().split())))
arr.append(list(map(int,input().split())))
temp=[[0 for j in range(3)] for i in range(3)]
for i in range(3):
for j in range(3):
if(arr[i][j]>=1):
if(arr[i][j]%2... | output | 1 | 68,419 | 7 | 136,839 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of the game is to switch all the lights off. We cons... | instruction | 0 | 68,420 | 7 | 136,840 |
Tags: implementation
Correct Solution:
```
mat=[]
for i in range(3):
mat.append(list(map(int,input().split())))
for i in mat:
i.insert(0,0)
i.append(0)
mat.insert(0,[0,0,0,0,0])
mat.append([0,0,0,0,0])
ans=[]
for i in range(1,4):
temp=[]
for j in range(1,4):
temp.append(str(1-(mat[i][j]+mat[... | output | 1 | 68,420 | 7 | 136,841 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of th... | instruction | 0 | 68,421 | 7 | 136,842 |
Yes | output | 1 | 68,421 | 7 | 136,843 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of th... | instruction | 0 | 68,422 | 7 | 136,844 |
Yes | output | 1 | 68,422 | 7 | 136,845 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of th... | instruction | 0 | 68,423 | 7 | 136,846 |
Yes | output | 1 | 68,423 | 7 | 136,847 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of th... | instruction | 0 | 68,424 | 7 | 136,848 |
Yes | output | 1 | 68,424 | 7 | 136,849 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of th... | instruction | 0 | 68,425 | 7 | 136,850 |
No | output | 1 | 68,425 | 7 | 136,851 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of th... | instruction | 0 | 68,426 | 7 | 136,852 |
No | output | 1 | 68,426 | 7 | 136,853 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of th... | instruction | 0 | 68,427 | 7 | 136,854 |
No | output | 1 | 68,427 | 7 | 136,855 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Lenny is playing a game on a 3 Γ 3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of th... | instruction | 0 | 68,428 | 7 | 136,856 |
No | output | 1 | 68,428 | 7 | 136,857 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Monocarp has arranged n colored marbles in a row. The color of the i-th marble is a_i. Monocarp likes ordered things, so he wants to rearrange marbles in such a way that all marbles of the same color form a contiguos segment (and there is on... | instruction | 0 | 69,019 | 7 | 138,038 |
Tags: bitmasks, dp
Correct Solution:
```
# ------------------- fast io --------------------
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writab... | output | 1 | 69,019 | 7 | 138,039 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Monocarp has arranged n colored marbles in a row. The color of the i-th marble is a_i. Monocarp likes ordered things, so he wants to rearrange marbles in such a way that all marbles of the same color form a contiguos segment (and there is on... | instruction | 0 | 69,020 | 7 | 138,040 |
Tags: bitmasks, dp
Correct Solution:
```
n = int(input())
a = [int(x) for x in input().split()]
d = {}
for i in range(1, 21):
for j in range(1, 21):
d[(i, j)] = 0
cv = [0 for i in range(21)]
for j in a:
for i in range(1, 21):
d[(i, j)] += cv[i]
cv[j] += 1
s = 0
for i in range(1, 21):
... | output | 1 | 69,020 | 7 | 138,041 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Monocarp has arranged n colored marbles in a row. The color of the i-th marble is a_i. Monocarp likes ordered things, so he wants to rearrange marbles in such a way that all marbles of the same color form a contiguos segment (and there is on... | instruction | 0 | 69,021 | 7 | 138,042 |
Tags: bitmasks, dp
Correct Solution:
```
import sys
n = int(sys.stdin.readline().strip())
a = list(map(int, sys.stdin.readline().strip().split()))
M = [[0 for i in range (0, 21)] for j in range (0, 21)]
F = [0 for i in range (0, 21)]
for i in range (0, n):
x = int(a[i])
for j in range (0, 21):
if j != ... | output | 1 | 69,021 | 7 | 138,043 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Monocarp has arranged n colored marbles in a row. The color of the i-th marble is a_i. Monocarp likes ordered things, so he wants to rearrange marbles in such a way that all marbles of the same ... | instruction | 0 | 69,022 | 7 | 138,044 |
No | output | 1 | 69,022 | 7 | 138,045 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have to paint with shades of grey the tiles of an nΓ n wall. The wall has n rows of tiles, each with n tiles.
The tiles on the boundary of the wall (i.e., on the first row, last row, first ... | instruction | 0 | 69,152 | 7 | 138,304 |
No | output | 1 | 69,152 | 7 | 138,305 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is an infinite board of square tiles. Initially all tiles are white.
Vova has a red marker and a blue marker. Red marker can color a tiles. Blue marker can color b tiles. If some tile isn't white then you can't use marker of any color... | instruction | 0 | 69,824 | 7 | 139,648 |
Tags: binary search, brute force, math, number theory
Correct Solution:
```
import math
import time
D = False
def b_search(lst, num, row, col, ab):
H = len(lst) - 1
L = 0
while L <= H:
M = (L + H)//2
if D: print(lst[M], row, ab/lst[M], col)
if D: print("cond:", lst[M] <= row, n... | output | 1 | 69,824 | 7 | 139,649 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is an infinite board of square tiles. Initially all tiles are white.
Vova has a red marker and a blue marker. Red marker can color a tiles. Blue marker can color b tiles. If some tile isn't white then you can't use marker of any color... | instruction | 0 | 69,825 | 7 | 139,650 |
Tags: binary search, brute force, math, number theory
Correct Solution:
```
import sys
from collections import Counter,defaultdict,deque
mod = 10**9+7
INF = float('inf')
def inp(): return int(sys.stdin.readline())
def inpl(): return list(map(int, sys.stdin.readline().split()))
def make_divisors(n):
divisors = []
... | output | 1 | 69,825 | 7 | 139,651 |
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