题解

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,c=1,d;
    cin>>a>>b;
    for(int i=1;i<=b;i++){
        d=c;
        for(int u=1;u<=a;u++){
            cout<<c<<" ";
            c=c+d;
        }
        cout<<endl;
        c=d+1;
    }
    return 0;
}