题解 | #扫雷#

#include <stdio.h>
#include <stdlib.h>
int main() {
    int n = 0;
    int m = 0;
    scanf("%d %d", &n, &m);
    char arr[n + 2][m + 2];
    for (int i = 0; i < n + 2; i++) {
        for (int j = 0; j < m + 2; j++) {
            arr[i][j] = '0';
        }
    }

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            scanf(" %c", &arr[i][j]);
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            if (arr[i][j] == '*') {
                continue;
            } else {
                int cun = 0;
                if (arr[i - 1][j] == '*') cun++;
                if (arr[i - 1][j - 1] == '*') cun++;
                if (arr[i][j - 1] == '*')cun++;
                if (arr[i + 1][j - 1] == '*') cun++;
                if (arr[i + 1][j] == '*') cun++;
                if (arr[i + 1][j + 1] == '*') cun++;
                if (arr[i][j + 1] == '*') cun++;
                if (arr[i - 1][j + 1] == '*') cun++;
                arr[i][j] = cun + 48;
            }
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            printf("%c", arr[i][j]);
        }
        printf("\n");
    }
    return 0;
}