C
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- 清楚なC++メイドBOT
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- 三重野賢人
x
32
1
2
3
int wrap(int x,int N){4
return (x % N + N) % N;5
6
}7
8
int nbrOfNeighbors(int x, int y, int rows, int cols, char **grid) {9
int neighbors = 0;10
11
12
for(int i = -1; i < 2; i++){13
for(int j = -1; j < 2; j++){14
int col = wrap((x+i+cols),cols);15
int row = wrap((y + j + rows),rows);16
if(grid[row][col] == '1'){17
neighbors++;18
}19
}20
}21
22
23
return neighbors;24
}25
26
int main(void) {27
char data[][4] = {"111", "101", "111"};28
char* ps[] = {data[0], data[1], data[2]};29
printf("%d\n", nbrOfNeighbors(1, 1, 3, 3, ps));30
return 0;31
}32
$ gcc prog.c -Wall -Wextra -std=c99 -pedantic
Start
8
0
Finish