题解 | #扫雷#

#include<stdio.h>
#include<string.h>
int main() {
    int n, m, count;
    scanf("%d %d", &n, &m);
    char A[1002][1002] = {0};
    getchar();
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            A[i][j] = getchar();
        }
        getchar();
    }

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            if (A[i][j] == '.') {
                count = 0;
                if (A[i - 1][j - 1] == '*')    count++;
                if (A[i - 1][j] == '*')      count++;
                if (A[i - 1][j + 1] == '*')    count++;
                if (A[i][j - 1] == '*')      count++;
                if (A[i][j + 1] == '*')      count++;
                if (A[i + 1][j - 1] == '*')    count++;
                if (A[i + 1][j] == '*')      count++;
                if (A[i + 1][j + 1] == '*')    count++;
                A[i][j] = '0' + count;
                printf("%c", A[i][j]);
            } else if (A[i][j] == '*')
                printf("%c", A[i][j]);
        }
        printf("\n");
    }

}