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Provide tags and a correct Python 3 solution for this coding contest problem. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and share the same color. Two cells A and B belong to...
instruction
0
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7
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Tags: bitmasks, dp Correct Solution: ``` n,k=map(int,input().split()) same=[0]*(k+1) diff=[0]*(k+1) same[1]=2 if k>1: diff[2]=2 for i in range(n-1): newsame=[0]*(k+1) newdiff=[0]*(k+1) for i in range(1,k+1): newsame[i]=(same[i]+same[i-1]+2*diff[i])%998244353 for i in range(2,k+1): ne...
output
1
21
7
43
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and share the same color. Two cells A and B belong to...
instruction
0
22
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44
Tags: bitmasks, dp Correct Solution: ``` def main(): n, k = map(int, input().split(' ')) if(k > 2*n): return(0) if(k == 2*n or k==1): return(2) iguales = [0]*(k+1) diferentes = [0]*(k+1) iguales[1] = 2 diferentes[2] = 2 modulo = 998244353 for i in range(1, n): ...
output
1
22
7
45
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and share the same color. Two cells A and B belong to...
instruction
0
23
7
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Tags: bitmasks, dp Correct Solution: ``` import math,sys,bisect,heapq from collections import defaultdict,Counter,deque from itertools import groupby,accumulate #sys.setrecursionlimit(200000000) int1 = lambda x: int(x) - 1 input = iter(sys.stdin.buffer.read().decode().splitlines()).__next__ ilele = lambda: map(int,inpu...
output
1
23
7
47
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and share the same color. Two cells A and B belong to...
instruction
0
24
7
48
Tags: bitmasks, dp Correct Solution: ``` n,k = list(map(int,input().split())) limit = 998244353 if k > 2*n: print(0) elif k == 1 or k == 2*n: print(2) else: same = [0] * (k+1) same[1] = 2 diff = [0] * (k+1) diff[2] = 2 for i in range(2, n+1): for j in range(min(k, 2*i), 1, -1): ...
output
1
24
7
49
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and share the same color. Two cells A and B belong to...
instruction
0
25
7
50
Tags: bitmasks, dp Correct Solution: ``` import sys input = sys.stdin.readline import math import copy import collections from collections import deque import heapq import itertools from collections import defaultdict from collections import Counter n,k = map(int,input().split()) mod = 998244353 dp = [[[0 for z in ran...
output
1
25
7
51
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and share the same color. Two cells A and B belong to...
instruction
0
26
7
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Tags: bitmasks, dp Correct Solution: ``` n,k = [int(x) for x in input().split()] dp = [[[0 for _ in range(4)] for _ in range(k+2)] for _ in range(2)] dp[1][2][0] = 1 dp[1][2][1] = 1 dp[1][1][2] = 1 dp[1][1][3] = 1 for n1 in range(1,n): for k1 in range(1,k+1): dp[0][k1][0] = dp[1][k1][0] ...
output
1
26
7
53
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and share the same color. Two cells A and B belong to...
instruction
0
27
7
54
Tags: bitmasks, dp Correct Solution: ``` import os import sys from io import BytesIO, IOBase # region fastio BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file...
output
1
27
7
55
Provide tags and a correct Python 3 solution for this coding contest problem. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and share the same color. Two cells A and B belong to...
instruction
0
28
7
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Tags: bitmasks, dp Correct Solution: ``` #Code by Sounak, IIESTS #------------------------------warmup---------------------------- import os import sys import math from io import BytesIO, IOBase from fractions import Fraction from collections import defaultdict from itertools import permutations BUFSIZE = 8192 ...
output
1
28
7
57
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and sh...
instruction
0
29
7
58
Yes
output
1
29
7
59
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and sh...
instruction
0
30
7
60
Yes
output
1
30
7
61
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and sh...
instruction
0
31
7
62
Yes
output
1
31
7
63
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and sh...
instruction
0
32
7
64
Yes
output
1
32
7
65
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and sh...
instruction
0
33
7
66
No
output
1
33
7
67
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and sh...
instruction
0
34
7
68
No
output
1
34
7
69
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and sh...
instruction
0
35
7
70
No
output
1
35
7
71
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a grid, consisting of 2 rows and n columns. Each cell of this grid should be colored either black or white. Two cells are considered neighbours if they have a common border and sh...
instruction
0
36
7
72
No
output
1
36
7
73
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bill likes to play with dominoes. He took an n Γ— m board divided into equal square cells, and covered it with dominoes. Each domino covers two adjacent cells of the board either horizontally or ...
instruction
0
178
7
356
No
output
1
178
7
357
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet", it needs 3 red flowers. * To make a "green...
instruction
0
302
7
604
Tags: combinatorics, math Correct Solution: ``` a,b,c=map(int,input().split()) x=a//3+b//3+c//3+min(a%3,b%3,c%3) y=min(a,b,c) if ((a-y+1)%3==0 and ((b-y+1)%3==0) and c!=0)or ((a-y+1)%3==0 and (c-y+1)%3==0 and b!=0) or ((b-y+1)%3==0 and (c-y+1)%3==0 and a!=0): a-=(y-1) b-=(y-1) c-=(y-1) #print(a,b,c) ...
output
1
302
7
605
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet", it needs 3 red flowers. * To make a "green...
instruction
0
303
7
606
Tags: combinatorics, math Correct Solution: ``` def ciel_flowers(a,b,c): red=a//3 green=b//3 blue=c//3 total=red+green+blue remain=[a%3 , b%3 , c%3] ideal=[0,2,2] if sorted(remain)==ideal and 0 not in [a,b,c]: print(total+1) else: print(total+min(remain)) a,b,c=list(map(i...
output
1
303
7
607
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet", it needs 3 red flowers. * To make a "green...
instruction
0
304
7
608
Tags: combinatorics, math Correct Solution: ``` r,g,b = map(int,input().split()) print (max(i+(r-i)//3+(g-i)//3+(b-i)//3 for i in range(min(r+1,g+1,b+1,3)))) # Made By Mostafa_Khaled ```
output
1
304
7
609
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet", it needs 3 red flowers. * To make a "green...
instruction
0
305
7
610
Tags: combinatorics, math Correct Solution: ``` r,g,b = map(int, input().split()) ans = r//3 + g//3 + b//3 y = (r-1)//3 + (g-1)//3 + (b-1)//3 if r > 0 and g > 0 and b > 0: ans = max(ans, (r-1)//3 + (g-1)//3 + (b-1)//3 + 1) if r > 1 and g > 1 and b > 1: ans = max(ans, (r-2)//3 + (g-2)//3 + (b-2)//3 + 2) print(...
output
1
305
7
611
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet", it needs 3 red flowers. * To make a "green...
instruction
0
306
7
612
Tags: combinatorics, math Correct Solution: ``` r,g,b=map(int,input().split()) k=min(r,g,b) t1=(r//3)+(g//3)+(b//3)+min(r%3,g%3,b%3) t2=(r//3)+(g//3) p=min(r%3,g%3,b) t2=t2+p+(b-p)//3 t3=(r//3)+(b//3) p=min(r%3,b%3,g) t3=t3+p+(g-p)//3 t4=(b//3)+(g//3) p=min(b%3,g%3,r) t4=t4+p+(r-p)//3 t5=(r//3) p=min(r%3,g,b) t5=t5+p+(...
output
1
306
7
613
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet", it needs 3 red flowers. * To make a "green...
instruction
0
307
7
614
Tags: combinatorics, math Correct Solution: ``` dados = input().split() flowers = [int(dados[0]), int(dados[1]), int(dados[2])] buques = 0 buques = flowers[0] // 3 + flowers[1] // 3 + flowers[2] // 3 if (flowers[0] and flowers[1] and flowers[2]) > 0: buques = max(buques, 1+(flowers[0] - 1) // 3 + (flowers[1] - 1)...
output
1
307
7
615
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet", it needs 3 red flowers. * To make a "green...
instruction
0
308
7
616
Tags: combinatorics, math Correct Solution: ``` def f(a, b, c): return a // 3 + b // 3 + c // 3 a, b, c = sorted(map(int, input().split())) print(max(f(a, b, c), f(a - 1, b - 1, c - 1) + 1 if a * b * c >= 1 else 0, f(a - 2, b - 2, c - 2) + 2 if a * b * c >= 8 else 0)) ```
output
1
308
7
617
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet", it needs 3 red flowers. * To make a "green...
instruction
0
309
7
618
Tags: combinatorics, math Correct Solution: ``` l=list(map(int,input().split())) r,g,b=l[0],l[1],l[2] c=0 if(r==0 or g==0 or b==0): c=r//3+g//3+b//3 print(c) else: c+=r//3 + g//3+b//3 r%=3 g%=3 b%=3 c+=min(r,g,b) if((r==0 and g==2 and b==2 ) or (r==2 and g==2 and b==0 ) or (r==2 and g==0 and b==2 )...
output
1
309
7
619
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet"...
instruction
0
310
7
620
Yes
output
1
310
7
621
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet"...
instruction
0
311
7
622
Yes
output
1
311
7
623
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet"...
instruction
0
312
7
624
Yes
output
1
312
7
625
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet"...
instruction
0
313
7
626
Yes
output
1
313
7
627
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet"...
instruction
0
314
7
628
No
output
1
314
7
629
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet"...
instruction
0
315
7
630
No
output
1
315
7
631
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet"...
instruction
0
316
7
632
No
output
1
316
7
633
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets: * To make a "red bouquet"...
instruction
0
317
7
634
No
output
1
317
7
635
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n by m table. Denote c-th cell of r-th row as (r...
instruction
0
380
7
760
Tags: implementation Correct Solution: ``` n,m=map(int,input().split()) k=0 for i in range(n): if i%2==0: print("#"*m) elif k==0: print("."*(m-1)+"#") k=1 else: print("#"+"."*(m-1)) k=0 ```
output
1
380
7
761
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n by m table. Denote c-th cell of r-th row as (r...
instruction
0
381
7
762
Tags: implementation Correct Solution: ``` # -*- coding: utf-8 -*- """ Spyder Editor This is a temporary script file. """ n, m = [int(x) for x in input().split()] row = n col = m def snake(row = m): print('#'*row) def empty1(row = m): row = row - 1 print('.'*row, end="") print('#') def empty2(row = m):...
output
1
381
7
763
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n by m table. Denote c-th cell of r-th row as (r...
instruction
0
382
7
764
Tags: implementation Correct Solution: ``` n, m = map(int, input().split()) for i in range(n): for j in range(m): if(i % 2 == 0): if(j == m-1): print('#') else: print('#', sep ='', end='') else: if((i//2)%2 == 0): if...
output
1
382
7
765
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n by m table. Denote c-th cell of r-th row as (r...
instruction
0
383
7
766
Tags: implementation Correct Solution: ``` a,b =map(int,input().split()) co=0 for i in range(a): if i%2==0: for i in range(b): print("#",end='') print("") else: if co%2==0: for i in range(b-1): print(".",end='') print("#") c...
output
1
383
7
767
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n by m table. Denote c-th cell of r-th row as (r...
instruction
0
384
7
768
Tags: implementation Correct Solution: ``` n,m=map(int,input().split()) for i in range(n): if i%2==0: print('#'*m) elif (i-1)%4==0: print('.'*(m-1)+'#') elif (i+1)%4==0: print('#'+'.'*(m-1)) ```
output
1
384
7
769
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n by m table. Denote c-th cell of r-th row as (r...
instruction
0
385
7
770
Tags: implementation Correct Solution: ``` n, m = [int(s) for s in input().split()] e = 0 for x in range(1, n + 1): if x % 2 != 0: for _ in range(m): print("#", end="") print() elif e % 2 == 0: for _ in range(m - 1): print(".", end="") print("#")...
output
1
385
7
771
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n by m table. Denote c-th cell of r-th row as (r...
instruction
0
386
7
772
Tags: implementation Correct Solution: ``` a=list(map(int,input().split())) k=1 while k<=a[0]: if k%4==1: for i in range(a[1]): print('#',end='') k+=1 print('') elif k%4==2: for i in range(a[1]-1): print('.',end='') print('#') k+=1 elif...
output
1
386
7
773
Provide tags and a correct Python 3 solution for this coding contest problem. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n by m table. Denote c-th cell of r-th row as (r...
instruction
0
387
7
774
Tags: implementation Correct Solution: ``` n,m=map(int,input().split()) snake="#"*m nosnake="."*(m-1)+"#" even=snake+"\n"+nosnake odd=snake+"\n"+nosnake[::-1] for i in range(n//2+1): if(i+1>n//2): print(snake) else: if(i%2==0): print(even) else: print(odd) ```
output
1
387
7
775
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n...
instruction
0
388
7
776
Yes
output
1
388
7
777
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n...
instruction
0
389
7
778
Yes
output
1
389
7
779
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n...
instruction
0
390
7
780
Yes
output
1
390
7
781
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n...
instruction
0
391
7
782
Yes
output
1
391
7
783
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n...
instruction
0
392
7
784
No
output
1
392
7
785
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n...
instruction
0
393
7
786
No
output
1
393
7
787
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n...
instruction
0
394
7
788
No
output
1
394
7
789
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a n...
instruction
0
395
7
790
No
output
1
395
7
791
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Roy and Biv have a set of n points on the infinite number line. Each point has one of 3 colors: red, green, or blue. Roy and Biv would like to connect all the points with some edges. Edges can...
instruction
0
516
7
1,032
Yes
output
1
516
7
1,033