#include using namespace std; int main() { int a[3][3] = {0}; for (int i = 0; i < 3; ++i) { for (int j = 0; j < 3; ++j) { cin >> a[i][j]; } } //左上右下 for (int i = 0; i < 3; ++i) { for (int j = 0; j < 3; ++j) { //左上右下 if (i == j) { a[i][j] += 10; } // 左下右上 if (i + j == 2) { a[i][j] += 10; } } } //输出 for (int i = 0; i < 3; ++i) { for (int j = 0; j < 3; ++j) { cout << a[i][j] << " "; } cout << endl; } return 0; }