C++ 代码

#include<iostream>
using namespace std;

int main()
{
    int n, m, sum=1;
    cin >> n >> m;

    for ( int i = 0; i < n; i++ )
    {
        for ( int j = 0; j < m-1; j++, sum++)
            cout << sum << " ";
        cout << "PUM" << endl;
        sum++;
    }
    return 0;
}