C++ 代码

#include<iostream>
using namespace std;
int main()
{
    int a,b;
    cin >> a >> b;
    for(int i =1;i<=a*b;i++)
    {
        if(i%b == 0) 
        {
            cout<<"PUM"<<endl;
            i +=1;
        }
        if(i == a*b+1) break;
        cout << i << " ";
    }
    return 0;
}