1. 2021年04月15日17:38:34愚蠢的代码
#include <iostream>
using namespace std;

int a[10010][10010] = {0};

int main() {
    int row, col;
    cin >> row >> col;
    for (int i = 0; i < row; i++) {
        for (int j = 0; j < col; j++) {
            cin >> a[i][j];
        }
    }
    for (int i = 0; i < row; i++) {
        for (int j = 0; j < col; j++) {
            int count = 0;
            if (a[i][j] == '*') continue;
            if (a[i - 1][j] == '*') count++;
            else if (a[i + 1][j] == '*') count++;
            else if (a[i][j - 1] == '*') count++;
            else if (a[i][j + 1] == '*') count++;
            else if (a[i + 1][j + 1] == '*') count++;
            else if (a[i - 1][j + 1] == '*') count++;
            else if (a[i + 1][j - 1] == '*') count++;
            else if (a[i - 1][j - 1] == '*') count++;
            a[i][j] = count;
            count = 0;
        }
    }
    for (int i = 0; i < row; i++) {
        for (int j = 0; j < col; j++) {
            cout << a[i][j] << endl;
        }
    }
    return 0;
  1. 2021年04月15日18:06:55
#include <iostream>
using namespace std;

int dx[] = {1, 1, 1, 0, 0, -1, -1, -1};
int dy[] = {-1, 0, 1, -1, 1, -1, 0, 1};

const int maxn = 105;
char g[maxn][maxn];
int n, m;

int main() {
    cin >> n >> m;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> g[i][j];
        }
    }
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            if (g[i][j] != '*') {
                int count = 0;
                for (int k = 0; k < 8; k++) {
                    if (g[i + dx[k]][j + dy[k]] == '*') count++;
                }
                cout << count;
            } else {
                cout << '*';
            }
        }
        cout << endl;  // 行末空格
    }
    return 0;
}