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Provide tags and a correct Python 3 solution for this coding contest problem. You have a blackboard and initially only an odd number x is written on it. Your goal is to write the number 1 on the blackboard. You may write new numbers on the blackboard with the following two operations. * You may take two numbers (...
instruction
0
31,189
7
62,378
Tags: bitmasks, constructive algorithms, math, matrices, number theory Correct Solution: ``` def GSB(n): ans = 0 for i in range(63): if (1<<i)&n: ans = i return ans def pop_count(n): ans = 0 for i in range(63): if (1<<i)&n: ans += 1 return ans exists = [] ops = [] def add(a,b): assert(a in exists and...
output
1
31,189
7
62,379
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
31,536
7
63,072
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
31,536
7
63,073
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
31,537
7
63,074
No
output
1
31,537
7
63,075
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
31,538
7
63,076
No
output
1
31,538
7
63,077
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
31,539
7
63,078
No
output
1
31,539
7
63,079
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
31,540
7
63,080
No
output
1
31,540
7
63,081
Provide a correct Python 3 solution for this coding contest problem. We have an H \times W grid, where each square is painted white or black in the initial state. Given are strings A_1, A_2, ..., A_H representing the colors of the squares in the initial state. For each pair (i, j) (1 \leq i \leq H, 1 \leq j \leq W), i...
instruction
0
31,569
7
63,138
"Correct Solution: ``` import sys input = sys.stdin.readline H,W=map(int,input().split()) A=[input().strip() for i in range(H)] mod=998244353 # factorial,facotiralの逆数を事前計算. FACT=[1] for i in range(1,21): FACT.append(FACT[-1]*i%mod) FACT_INV=[pow(FACT[-1],mod-2,mod)] for i in range(20,0,-1): FACT_INV.append(...
output
1
31,569
7
63,139
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an H \times W grid, where each square is painted white or black in the initial state. Given are strings A_1, A_2, ..., A_H representing the colors of the squares in the initial state. Fo...
instruction
0
31,570
7
63,140
No
output
1
31,570
7
63,141
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an H \times W grid, where each square is painted white or black in the initial state. Given are strings A_1, A_2, ..., A_H representing the colors of the squares in the initial state. Fo...
instruction
0
31,571
7
63,142
No
output
1
31,571
7
63,143
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an H \times W grid, where each square is painted white or black in the initial state. Given are strings A_1, A_2, ..., A_H representing the colors of the squares in the initial state. Fo...
instruction
0
31,572
7
63,144
No
output
1
31,572
7
63,145
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an H \times W grid, where each square is painted white or black in the initial state. Given are strings A_1, A_2, ..., A_H representing the colors of the squares in the initial state. Fo...
instruction
0
31,573
7
63,146
No
output
1
31,573
7
63,147
Provide a correct Python 3 solution for this coding contest problem. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of S is `0`, and painted white if that character is `1`. Y...
instruction
0
31,590
7
63,180
"Correct Solution: ``` s = str(input()) n = len(s) dif = 0 for i in range(n): if s[i] != str(i % 2): dif += 1 print(min(dif, n - dif)) ```
output
1
31,590
7
63,181
Provide a correct Python 3 solution for this coding contest problem. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of S is `0`, and painted white if that character is `1`. Y...
instruction
0
31,591
7
63,182
"Correct Solution: ``` S=input() d0=0 d1=0 for i in range(len(S)): d0+=int(S[i])!=i%2 d1+=int(S[i])!=(i+1)%2 print(min(d0,d1)) ```
output
1
31,591
7
63,183
Provide a correct Python 3 solution for this coding contest problem. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of S is `0`, and painted white if that character is `1`. Y...
instruction
0
31,592
7
63,184
"Correct Solution: ``` S=input() a=0 b=0 for i in range(len(S)): if int(S[i])==i%2: a+=1 else: b+=1 print(min(a,b)) ```
output
1
31,592
7
63,185
Provide a correct Python 3 solution for this coding contest problem. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of S is `0`, and painted white if that character is `1`. Y...
instruction
0
31,593
7
63,186
"Correct Solution: ``` s = input() n = len(s) ans = 0 for i in range(n): if s[i] == str(i%2): ans += 1 print(min(ans, n-ans)) ```
output
1
31,593
7
63,187
Provide a correct Python 3 solution for this coding contest problem. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of S is `0`, and painted white if that character is `1`. Y...
instruction
0
31,594
7
63,188
"Correct Solution: ``` s = input() n = len(s) a = s[0::2].count("0") b = s[1::2].count("0") print(min((((n+1)//2)-a+b),(a+n//2-b))) ```
output
1
31,594
7
63,189
Provide a correct Python 3 solution for this coding contest problem. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of S is `0`, and painted white if that character is `1`. Y...
instruction
0
31,595
7
63,190
"Correct Solution: ``` a=input() n=len(a) b="01"*(n//2)+"0"*(n%2) k=s=0 for i in range(n): if b[i]==a[i]:s+=1 else: k+=1 print(min(k,s)) ```
output
1
31,595
7
63,191
Provide a correct Python 3 solution for this coding contest problem. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of S is `0`, and painted white if that character is `1`. Y...
instruction
0
31,596
7
63,192
"Correct Solution: ``` S=input() c=S[::2].count("0")+S[1::2].count("1") print(min(c,len(S)-c)) ```
output
1
31,596
7
63,193
Provide a correct Python 3 solution for this coding contest problem. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of S is `0`, and painted white if that character is `1`. Y...
instruction
0
31,597
7
63,194
"Correct Solution: ``` S = input() N = len(S) c1 = S[1::2].count('0') c2 = S[0::2].count('1') sum1 = N-c1-c2 sum2 = c1+c2 print(min(sum1,sum2)) ```
output
1
31,597
7
63,195
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of ...
instruction
0
31,598
7
63,196
Yes
output
1
31,598
7
63,197
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of ...
instruction
0
31,599
7
63,198
Yes
output
1
31,599
7
63,199
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of ...
instruction
0
31,600
7
63,200
Yes
output
1
31,600
7
63,201
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of ...
instruction
0
31,601
7
63,202
Yes
output
1
31,601
7
63,203
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of ...
instruction
0
31,602
7
63,204
No
output
1
31,602
7
63,205
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of ...
instruction
0
31,603
7
63,206
No
output
1
31,603
7
63,207
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of ...
instruction
0
31,604
7
63,208
No
output
1
31,604
7
63,209
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N tiles are arranged in a row from left to right. The initial color of each tile is represented by a string S of length N. The i-th tile from the left is painted black if the i-th character of ...
instruction
0
31,605
7
63,210
No
output
1
31,605
7
63,211
Provide a correct Python 3 solution for this coding contest problem. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painted red were 4-connected, that is, it was possible to trav...
instruction
0
31,670
7
63,340
"Correct Solution: ``` H, W = map( int, input().split()) V = [ input() for _ in range(H)] B = [ '' for _ in range(H)] R = [ '' for _ in range(H)] N = '#'*(W-1) for i in range(H): if i%2 == 0: B[i] = N+V[i][-1] R[i] = V[i][:W-1] + '#' else: R[i] = V[i][-1] + N B[i] = '#' + V[i][1:...
output
1
31,670
7
63,341
Provide a correct Python 3 solution for this coding contest problem. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painted red were 4-connected, that is, it was possible to trav...
instruction
0
31,671
7
63,342
"Correct Solution: ``` h,w=map(int,input().split());r=[list('#'+'#.'[i%2]*(w-2)+'.')for i in range(h)];b=[list('.'+'.#'[i%2]*(w-2)+'#')for i in range(h)] for i in range(h): t=input() for j in range(w): if t[j]=='#':r[i][j]=b[i][j]='#' for t in r:print(''.join(t)) print() for t in b:print(''.join(t)) ```
output
1
31,671
7
63,343
Provide a correct Python 3 solution for this coding contest problem. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painted red were 4-connected, that is, it was possible to trav...
instruction
0
31,672
7
63,344
"Correct Solution: ``` h, w= map(int, input().split()) a = [['.']*w for _ in range(h)] b = [['.']*w for _ in range(h)] for i in range(h): s = input() for j in range(w): if i % 2 and j != w - 1 or j == 0 or s[j] == '#': a[i][j] = '#' if (i+1) % 2 and j != 0 or j == w - 1 or s[j] == '#': b[i][j] =...
output
1
31,672
7
63,345
Provide a correct Python 3 solution for this coding contest problem. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painted red were 4-connected, that is, it was possible to trav...
instruction
0
31,673
7
63,346
"Correct Solution: ``` H, W = map(int, input().split()) A = [] for i in range(H): A.append(input()) red = [["." for w in range(W)] for _ in range(H)] blue = [["." for w in range(W)] for _ in range(H)] for i in range(H): if i % 2 == 0: red[i] = ["#" for w in range(W)] red[i][-1] = "." else:...
output
1
31,673
7
63,347
Provide a correct Python 3 solution for this coding contest problem. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painted red were 4-connected, that is, it was possible to trav...
instruction
0
31,674
7
63,348
"Correct Solution: ``` #!/usr/bin/env python3 import copy h, w = map(int, input().split()) f = [ list(input()) for _ in range(h) ] a = copy.deepcopy(f) b = copy.deepcopy(f) a[0] = '#' * w for y in range(1, h - 1): for x in range(w): [a, b][x % 2][y][x] = '#' b[h - 1] = '#' * w print(*map(''.join, a), sep='\...
output
1
31,674
7
63,349
Provide a correct Python 3 solution for this coding contest problem. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painted red were 4-connected, that is, it was possible to trav...
instruction
0
31,675
7
63,350
"Correct Solution: ``` h, w = map(int, input().split()) G = [input() for _ in range(h)] R = [["."]*w for _ in range(h)] B = [["."]*w for _ in range(h)] for i in range(1, h-1): if i%2: R[i] = list("." + "#"*(w-2) + ".") B[i] = list(G[i]) else: B[i] = list("." + "#"*(w-2) + ".") R[i] = list(G[i]) ...
output
1
31,675
7
63,351
Provide a correct Python 3 solution for this coding contest problem. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painted red were 4-connected, that is, it was possible to trav...
instruction
0
31,676
7
63,352
"Correct Solution: ``` h,w = map(int,input().split()) grid = [list(input()) for i in range(h)] black = [[1 for i in range(w)] for j in range(h)] white = [[1 for i in range(w)] for j in range(h)] for i in range(h): for j in range(w): if i%2 and j%2 == 0: black[i][j] = 0 elif i%2 == 0 and j%2: white...
output
1
31,676
7
63,353
Provide a correct Python 3 solution for this coding contest problem. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painted red were 4-connected, that is, it was possible to trav...
instruction
0
31,677
7
63,354
"Correct Solution: ``` H, W = map(int, input().split()) lines = [input() for _ in range(H)] rs = [list("#" + (W-2) * ("#" if i%2==0 else ".") + ".") for i in range(H)] bs = [list("." + (W-2) * ("#" if i%2==1 else ".") + "#") for i in range(H)] for i, line in enumerate(lines): for j, c in enumerate(line): ...
output
1
31,677
7
63,355
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painte...
instruction
0
31,678
7
63,356
Yes
output
1
31,678
7
63,357
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painte...
instruction
0
31,679
7
63,358
Yes
output
1
31,679
7
63,359
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painte...
instruction
0
31,680
7
63,360
Yes
output
1
31,680
7
63,361
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painte...
instruction
0
31,681
7
63,362
Yes
output
1
31,681
7
63,363
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painte...
instruction
0
31,682
7
63,364
No
output
1
31,682
7
63,365
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painte...
instruction
0
31,683
7
63,366
No
output
1
31,683
7
63,367
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painte...
instruction
0
31,684
7
63,368
No
output
1
31,684
7
63,369
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Snuke and Ciel went to a strange stationery store. Each of them got a transparent graph paper with H rows and W columns. Snuke painted some of the cells red in his paper. Here, the cells painte...
instruction
0
31,685
7
63,370
No
output
1
31,685
7
63,371
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Joseph really likes the culture of Japan. Last year he learned Japanese traditional clothes and visual arts and now he is trying to find out the secret of the Japanese game called Nonogram. In ...
instruction
0
31,984
7
63,968
No
output
1
31,984
7
63,969
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Joseph really likes the culture of Japan. Last year he learned Japanese traditional clothes and visual arts and now he is trying to find out the secret of the Japanese game called Nonogram. In ...
instruction
0
31,985
7
63,970
No
output
1
31,985
7
63,971
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Joseph really likes the culture of Japan. Last year he learned Japanese traditional clothes and visual arts and now he is trying to find out the secret of the Japanese game called Nonogram. In ...
instruction
0
31,986
7
63,972
No
output
1
31,986
7
63,973
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Joseph really likes the culture of Japan. Last year he learned Japanese traditional clothes and visual arts and now he is trying to find out the secret of the Japanese game called Nonogram. In ...
instruction
0
31,987
7
63,974
No
output
1
31,987
7
63,975
Provide tags and a correct Python 3 solution for this coding contest problem. Small, but very brave, mouse Brain was not accepted to summer school of young villains. He was upset and decided to postpone his plans of taking over the world, but to become a photographer instead. As you may know, the coolest photos are o...
instruction
0
32,116
7
64,232
Tags: implementation Correct Solution: ``` s="" n,m=map(int,input().split()) for i in range(n): s+=input() if "C" in s or "M" in s or "Y" in s: print("#Color") else: print("#Black&White") ```
output
1
32,116
7
64,233
Provide tags and a correct Python 3 solution for this coding contest problem. Small, but very brave, mouse Brain was not accepted to summer school of young villains. He was upset and decided to postpone his plans of taking over the world, but to become a photographer instead. As you may know, the coolest photos are o...
instruction
0
32,117
7
64,234
Tags: implementation Correct Solution: ``` n,m=map(int,input().split()) A=[] for i in range(n): A.append(list(input().split())) color=False for i in range(n): if 'C' in A[i] or 'M' in A[i] or 'Y' in A[i]: color=True break if color: print('#Color') else: print('#Black&White') ```
output
1
32,117
7
64,235
Provide tags and a correct Python 3 solution for this coding contest problem. Small, but very brave, mouse Brain was not accepted to summer school of young villains. He was upset and decided to postpone his plans of taking over the world, but to become a photographer instead. As you may know, the coolest photos are o...
instruction
0
32,118
7
64,236
Tags: implementation Correct Solution: ``` n,m=map(int,input().split()) a=0 for i in range(n): l=list(map(str,input().split())) for j in range(len(l)): if l[j]=='C' or l[j]=='M' or l[j]=='Y' : a=a+1 if a==0: print( "#Black&White") else: print("#Color") ```
output
1
32,118
7
64,237