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 |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Bizon the Champion isn't just attentive, he also is very hardworking.
Bizon the Champion decided to paint his old fence his favorite color, orange. The fence is represented as n vertical planks, put in a row. Adjacent planks have no gap bet... | instruction | 0 | 36,468 | 7 | 72,936 |
Tags: divide and conquer, dp, greedy
Correct Solution:
```
import sys
def Build(l, r, id):
if l == r:
T[id] = l
return
m = (l+r) // 2
Build(l, m, id * 2)
Build(m + 1, r, id * 2 + 1)
if a[T[id * 2]] < a[T[id * 2 + 1]]:
T[id] = T[id * 2]
else:
T[id] = T[id * 2 + 1]
... | output | 1 | 36,468 | 7 | 72,937 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bizon the Champion isn't just attentive, he also is very hardworking.
Bizon the Champion decided to paint his old fence his favorite color, orange. The fence is represented as n vertical planks, put in a row. Adjacent planks have no gap bet... | instruction | 0 | 36,469 | 7 | 72,938 |
Tags: divide and conquer, dp, greedy
Correct Solution:
```
import sys, threading
sys.setrecursionlimit(10**9)
threading.stack_size(10240000)
# thread.start()
def rec(left, right, off):
if left>right:
return 0
mini= min(arr[left:right+1])
ind=arr.index(mini,left,right+1)
ans = mini - off
an... | output | 1 | 36,469 | 7 | 72,939 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bizon the Champion isn't just attentive, he also is very hardworking.
Bizon the Champion decided to paint his old fence his favorite color, orange. The fence is represented as n vertical planks, put in a row. Adjacent planks have no gap bet... | instruction | 0 | 36,470 | 7 | 72,940 |
Tags: divide and conquer, dp, greedy
Correct Solution:
```
from sys import stdin
import sys
g = lambda : stdin.readline().strip()
gl = lambda : g().split()
gil = lambda : [int(var) for var in gl()]
gfl = lambda : [float(var) for var in gl()]
gcl = lambda : list(g())
gbs = lambda : [int(var) for var in g()]
mod = int... | output | 1 | 36,470 | 7 | 72,941 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bizon the Champion isn't just attentive, he also is very hardworking.
Bizon the Champion decided to paint his old fence his favorite color, orange. The fence is represented as n vertical planks... | instruction | 0 | 36,471 | 7 | 72,942 |
Yes | output | 1 | 36,471 | 7 | 72,943 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bizon the Champion isn't just attentive, he also is very hardworking.
Bizon the Champion decided to paint his old fence his favorite color, orange. The fence is represented as n vertical planks... | instruction | 0 | 36,472 | 7 | 72,944 |
Yes | output | 1 | 36,472 | 7 | 72,945 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bizon the Champion isn't just attentive, he also is very hardworking.
Bizon the Champion decided to paint his old fence his favorite color, orange. The fence is represented as n vertical planks... | instruction | 0 | 36,473 | 7 | 72,946 |
Yes | output | 1 | 36,473 | 7 | 72,947 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bizon the Champion isn't just attentive, he also is very hardworking.
Bizon the Champion decided to paint his old fence his favorite color, orange. The fence is represented as n vertical planks... | instruction | 0 | 36,474 | 7 | 72,948 |
Yes | output | 1 | 36,474 | 7 | 72,949 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bizon the Champion isn't just attentive, he also is very hardworking.
Bizon the Champion decided to paint his old fence his favorite color, orange. The fence is represented as n vertical planks... | instruction | 0 | 36,475 | 7 | 72,950 |
No | output | 1 | 36,475 | 7 | 72,951 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bizon the Champion isn't just attentive, he also is very hardworking.
Bizon the Champion decided to paint his old fence his favorite color, orange. The fence is represented as n vertical planks... | instruction | 0 | 36,476 | 7 | 72,952 |
No | output | 1 | 36,476 | 7 | 72,953 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bizon the Champion isn't just attentive, he also is very hardworking.
Bizon the Champion decided to paint his old fence his favorite color, orange. The fence is represented as n vertical planks... | instruction | 0 | 36,477 | 7 | 72,954 |
No | output | 1 | 36,477 | 7 | 72,955 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bizon the Champion isn't just attentive, he also is very hardworking.
Bizon the Champion decided to paint his old fence his favorite color, orange. The fence is represented as n vertical planks... | instruction | 0 | 36,478 | 7 | 72,956 |
No | output | 1 | 36,478 | 7 | 72,957 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasilisa the Wise from a far away kingdom got a present from her friend Helga the Wise from a farther away kingdom. The present is a surprise box, yet Vasilisa the Wise doesn't know yet what the surprise actually is because she cannot open t... | instruction | 0 | 36,626 | 7 | 73,252 |
Tags: brute force, 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):
fo... | output | 1 | 36,626 | 7 | 73,253 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasilisa the Wise from a far away kingdom got a present from her friend Helga the Wise from a farther away kingdom. The present is a surprise box, yet Vasilisa the Wise doesn't know yet what the surprise actually is because she cannot open t... | instruction | 0 | 36,627 | 7 | 73,254 |
Tags: brute force, implementation
Correct Solution:
```
s=input()
s=sorted(s)
count=1
ans=[]
for i in range(1,len(s)):
if(s[i]==s[i-1]):
count+=1
else:
ans.append(count)
count=1
ans.append(count)
ans.sort()
if(len(ans)==1):
print(1)
if(len(ans)==2):
if(ans[0]==1):
print... | output | 1 | 36,627 | 7 | 73,255 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasilisa the Wise from a far away kingdom got a present from her friend Helga the Wise from a farther away kingdom. The present is a surprise box, yet Vasilisa the Wise doesn't know yet what the surprise actually is because she cannot open t... | instruction | 0 | 36,628 | 7 | 73,256 |
Tags: brute force, implementation
Correct Solution:
```
from functools import reduce
def factorial(n):
return reduce(lambda x, y: x*y, range(1,n+1))
colors = {
'R' : 0,
'O' : 0,
'Y' : 0,
'G' : 0,
'B' : 0,
'V' : 0
}
for c in list(input()):
colors[c] += 1
amount = list(reversed(sorted(... | output | 1 | 36,628 | 7 | 73,257 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasilisa the Wise from a far away kingdom got a present from her friend Helga the Wise from a farther away kingdom. The present is a surprise box, yet Vasilisa the Wise doesn't know yet what the surprise actually is because she cannot open t... | instruction | 0 | 36,629 | 7 | 73,258 |
Tags: brute force, implementation
Correct Solution:
```
from collections import defaultdict
a = defaultdict(int)
for c in input(): a[c] += 1
s = tuple(sorted(a.values()))
res = {
(6,): 1,
(1, 5): 1,
(2, 4): 2,
(1, 1, 4): 2,
(3, 3): 2,
(1, 2, 3): 3,
(1, 1, 1, 3): 5,
(2, 2, 2): 6,
(1, 1, 2, 2): 8,
(1, 1, 1, 1, ... | output | 1 | 36,629 | 7 | 73,259 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasilisa the Wise from a far away kingdom got a present from her friend Helga the Wise from a farther away kingdom. The present is a surprise box, yet Vasilisa the Wise doesn't know yet what the surprise actually is because she cannot open t... | instruction | 0 | 36,630 | 7 | 73,260 |
Tags: brute force, implementation
Correct Solution:
```
import itertools
class Cube:
def __init__(self, v):
self.s = v
def rotate_h(self):
s = self.s
self.s = s[0:1] + s[2:5] + s[1:2] + s[5:6]
def rotate_v1(self):
s = self.s
self.s = s[1:2] + s[5:6] + s[2:3] + s[0:1]... | output | 1 | 36,630 | 7 | 73,261 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasilisa the Wise from a far away kingdom got a present from her friend Helga the Wise from a farther away kingdom. The present is a surprise box, yet Vasilisa the Wise doesn't know yet what the... | instruction | 0 | 36,631 | 7 | 73,262 |
No | output | 1 | 36,631 | 7 | 73,263 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasilisa the Wise from a far away kingdom got a present from her friend Helga the Wise from a farther away kingdom. The present is a surprise box, yet Vasilisa the Wise doesn't know yet what the... | instruction | 0 | 36,632 | 7 | 73,264 |
No | output | 1 | 36,632 | 7 | 73,265 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasilisa the Wise from a far away kingdom got a present from her friend Helga the Wise from a farther away kingdom. The present is a surprise box, yet Vasilisa the Wise doesn't know yet what the... | instruction | 0 | 36,633 | 7 | 73,266 |
No | output | 1 | 36,633 | 7 | 73,267 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasilisa the Wise from a far away kingdom got a present from her friend Helga the Wise from a farther away kingdom. The present is a surprise box, yet Vasilisa the Wise doesn't know yet what the... | instruction | 0 | 36,634 | 7 | 73,268 |
No | output | 1 | 36,634 | 7 | 73,269 |
Provide a correct Python 3 solution for this coding contest problem.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The grid is said to be good if and only if the following condit... | instruction | 0 | 36,651 | 7 | 73,302 |
"Correct Solution:
```
H,W = map(int,input().split())
grid = tuple(tuple(map(lambda x: x == '.',input())) for _ in range(H))
dp = [float('inf')]*W
dp[0] = 0
prow = [True]*W
for row in grid:
ndp = [None]*W
ndp[0] = dp[0] + int(prow[0] and not row[0])
for i in range(1,W):
ndp[i] = min(ndp[i-1]+int... | output | 1 | 36,651 | 7 | 73,303 |
Provide a correct Python 3 solution for this coding contest problem.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The grid is said to be good if and only if the following condit... | instruction | 0 | 36,652 | 7 | 73,304 |
"Correct Solution:
```
H,W=map(int,input().split())
S=[input() for i in range(H)]
from collections import deque
q=deque([(0,0,0)])
v=[[-1]*W for i in range(H)]
v[0][0]=0
x=[(0,1),(1,0)]
while q:
i,j,d=q.popleft()
for a,b in x:
if 0<=i+a<H and 0<=j+b<W and v[i+a][j+b]<0:
if S[i+a][j+b]==S[i][... | output | 1 | 36,652 | 7 | 73,305 |
Provide a correct Python 3 solution for this coding contest problem.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The grid is said to be good if and only if the following condit... | instruction | 0 | 36,653 | 7 | 73,306 |
"Correct Solution:
```
def main():
import sys
b=sys.stdin.buffer
h,w=map(int,b.readline().split())
x=w+1
s=[c>>3for c in b.read()]
dp=[10000]*h*x
a=p=s[0]
dp[0]=b=q=5-a
r=range(1,w)
for i in r:
t=s[i]
b+=a^t
dp[i]=b
a=t
for i in range(x,h*x,x):
t=s[i]
q+=p^t
dp[i]=b=q
... | output | 1 | 36,653 | 7 | 73,307 |
Provide a correct Python 3 solution for this coding contest problem.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The grid is said to be good if and only if the following condit... | instruction | 0 | 36,654 | 7 | 73,308 |
"Correct Solution:
```
_,*s=open(0)
t='.'
b=t*101
r=range(101)
i=0
for s in s:
a=[i];i+=1
for x,y,z,c in zip(b,t+s,s,r):a+=min(c+(t>z<x),a[-1]+(t>z<y)),
b,r=s,a[1:]
print(a[-2])
``` | output | 1 | 36,654 | 7 | 73,309 |
Provide a correct Python 3 solution for this coding contest problem.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The grid is said to be good if and only if the following condit... | instruction | 0 | 36,655 | 7 | 73,310 |
"Correct Solution:
```
H, W = map(int,input().split())
S = [list(input()) for i in range(H)]
N = [[10**9]*W]*H
l = 0
u = 0
if S[0][0] == '#' :
N[0][0] = 1
else :
N[0][0] = 0
for i in range(H) :
for j in range(W) :
if i == 0 and j == 0 :
continue
#ζ¨ͺ移ε
l = N[i][j-1]
... | output | 1 | 36,655 | 7 | 73,311 |
Provide a correct Python 3 solution for this coding contest problem.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The grid is said to be good if and only if the following condit... | instruction | 0 | 36,656 | 7 | 73,312 |
"Correct Solution:
```
# coding: utf-8
# Your code here!
H,W=map(int,input().split())
meizu=[]
for _ in range(H):
meizu.append(list(input()))
dp=[[10**9 for w in range(W)] for h in range(H)]
dp[0][0]=1 if meizu[0][0]=="#" else 0
for h in range(H):
for w in range(W):
if h!=H-1:
dp[h+1][w]=... | output | 1 | 36,656 | 7 | 73,313 |
Provide a correct Python 3 solution for this coding contest problem.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The grid is said to be good if and only if the following condit... | instruction | 0 | 36,657 | 7 | 73,314 |
"Correct Solution:
```
h, w = map(int, input().split())
a0 = '.' * w
r0 = list(range(w))
for i in range(h):
a = input()
r = [i]
for x, y, z, u in zip(a0, '.' + a, a, r0):
r.append(min(u + (x + z == '.#'), r[-1] + (y + z == '.#')))
a0 = a
r0 = r[1:]
print(r[-1])
``` | output | 1 | 36,657 | 7 | 73,315 |
Provide a correct Python 3 solution for this coding contest problem.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The grid is said to be good if and only if the following condit... | instruction | 0 | 36,658 | 7 | 73,316 |
"Correct Solution:
```
h,w=map(int,input().split())
S=[]
for i in range(h):
S.append(input())
cnt=0
D=[[10**9]*w for _ in range(h)]
D[0][0]=0
for i in range(h):
for j in range(w):
for x,y in [(0,1),(1,0)]:
if i+x>=h or j+y>=w:
continue
if S[i][j]!=S[i+x][j+y]... | output | 1 | 36,658 | 7 | 73,317 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The gri... | instruction | 0 | 36,659 | 7 | 73,318 |
Yes | output | 1 | 36,659 | 7 | 73,319 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The gri... | instruction | 0 | 36,660 | 7 | 73,320 |
Yes | output | 1 | 36,660 | 7 | 73,321 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The gri... | instruction | 0 | 36,661 | 7 | 73,322 |
Yes | output | 1 | 36,661 | 7 | 73,323 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The gri... | instruction | 0 | 36,662 | 7 | 73,324 |
Yes | output | 1 | 36,662 | 7 | 73,325 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The gri... | instruction | 0 | 36,663 | 7 | 73,326 |
No | output | 1 | 36,663 | 7 | 73,327 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The gri... | instruction | 0 | 36,664 | 7 | 73,328 |
No | output | 1 | 36,664 | 7 | 73,329 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The gri... | instruction | 0 | 36,665 | 7 | 73,330 |
No | output | 1 | 36,665 | 7 | 73,331 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a grid with H rows and W columns of squares. Let (r, c) denote the square at the r-th row from the top and the c-th column from the left. Each square is painted black or white.
The gri... | instruction | 0 | 36,666 | 7 | 73,332 |
No | output | 1 | 36,666 | 7 | 73,333 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the following conditions are fulfilled:
* All pix... | instruction | 0 | 37,103 | 7 | 74,206 |
Tags: dp, matrices
Correct Solution:
```
from __future__ import division, print_function
import os
import sys
from io import BytesIO, IOBase
from math import inf
def main():
# dp[coluna][quantos iguais seguidos][tipo do igual(se Γ© . ou #)]
# cost
n, m, x, y = [ int(x) for x in input().split() ]
cost... | output | 1 | 37,103 | 7 | 74,207 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the following conditions are fulfilled:
* All pix... | instruction | 0 | 37,104 | 7 | 74,208 |
Tags: dp, matrices
Correct Solution:
```
a=[int(i) for i in input().split()]
b=[0]*a[1]
h,j=9999999999,9999999999
for i in range(0,a[0]):
c=input()
for p in range(0,a[1]):
if c[p]=='#':
b[p]+=1
#print("b:",b)
n={1:a[0]-b[0]} #Negras{Seguidas, Cambios}
w={1:b[0]} #White={Seguidas, Cambios}
for i in range(2,a[1... | output | 1 | 37,104 | 7 | 74,209 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the following conditions are fulfilled:
* All pix... | instruction | 0 | 37,105 | 7 | 74,210 |
Tags: dp, matrices
Correct Solution:
```
row, col, x, y = map(int, input().strip().split())
mat = []
for i in range(row):
mat.append(list(input()))
black_pre, white_pre = [0 for i in range(col+1)], [0 for i in range(col+1)]
for j in range(1,col+1):
w = 0; b = 0
for i in range(row):
if mat[i][j-1] ... | output | 1 | 37,105 | 7 | 74,211 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the following conditions are fulfilled:
* All pix... | instruction | 0 | 37,106 | 7 | 74,212 |
Tags: dp, matrices
Correct Solution:
```
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Sat Aug 1 22:57:03 2020
@author: divyarth
"""
import sys
import heapq
import math
sys.setrecursionlimit(100000)
from collections import deque
from collections import defaultdict
from collections import Counter
#i... | output | 1 | 37,106 | 7 | 74,213 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the following conditions are fulfilled:
* All pix... | instruction | 0 | 37,107 | 7 | 74,214 |
Tags: dp, matrices
Correct Solution:
```
n, m, x, y = [int(x) for x in input().split()]
col_blacks = [0]*m
for i in range(n):
cur_str = input()
for j, cur_ch in enumerate(cur_str):
if cur_ch == '#':
col_blacks[j] += 1
# print(col_blacks)
def get_min_pixels(pos, color, memory={}):
# print(f'pos {pos}, color {co... | output | 1 | 37,107 | 7 | 74,215 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the following conditions are fulfilled:
* All pix... | instruction | 0 | 37,108 | 7 | 74,216 |
Tags: dp, matrices
Correct Solution:
```
# -*- coding:utf-8 -*-
"""
created by shuangquan.huang at 1/7/20
"""
import collections
import time
import os
import sys
import bisect
import heapq
from typing import List
def solve(N, M, X, Y, A):
Y = min(Y, M)
whites = []
for c in range(M):
w = sum([... | output | 1 | 37,108 | 7 | 74,217 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the following conditions are fulfilled:
* All pix... | instruction | 0 | 37,109 | 7 | 74,218 |
Tags: dp, matrices
Correct Solution:
```
def main():
n, m, x, y = map(int, input().split())
col = [0] * m
for i in range(n):
row = input()
for j in range(m):
if row[j] == '.':
col[j] += 1
acc = [0]
for j in range(m):
acc.append(acc[-1] + col[j])
... | output | 1 | 37,109 | 7 | 74,219 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the following conditions are fulfilled:
* All pix... | instruction | 0 | 37,110 | 7 | 74,220 |
Tags: dp, matrices
Correct Solution:
```
import math
import sys
from bisect import bisect_right, bisect_left, insort_right
from collections import Counter, defaultdict
from heapq import heappop, heappush
from itertools import accumulate, permutations, combinations
from sys import stdout
R = lambda: map(int, input().sp... | output | 1 | 37,110 | 7 | 74,221 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the fo... | instruction | 0 | 37,111 | 7 | 74,222 |
Yes | output | 1 | 37,111 | 7 | 74,223 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the fo... | instruction | 0 | 37,112 | 7 | 74,224 |
Yes | output | 1 | 37,112 | 7 | 74,225 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the fo... | instruction | 0 | 37,113 | 7 | 74,226 |
Yes | output | 1 | 37,113 | 7 | 74,227 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the fo... | instruction | 0 | 37,114 | 7 | 74,228 |
Yes | output | 1 | 37,114 | 7 | 74,229 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the fo... | instruction | 0 | 37,115 | 7 | 74,230 |
No | output | 1 | 37,115 | 7 | 74,231 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got an n Γ m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a barcode picture.
A picture is a barcode if the fo... | instruction | 0 | 37,116 | 7 | 74,232 |
No | output | 1 | 37,116 | 7 | 74,233 |
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