题解

照抄
#include <bits/stdc++.h>
using namespace std;

int main(){
int y=9;
for(int i=1;i<=9;i++){
for(int j=1;j<=i;j++){
cout << j << " * " << i << " = " << i*j << " ";
}
cout << "\n";
}
return 0;
}