c++求九九乘法表
#include<iostream>?
using namespace std;
int main(){
int c=0;
for(int i=1;i<=9; i++){
for (int j=0;j<=c;j++){
cout<<" ";
}
for(int a=i;a<=9 ;a++){
cout<<i<<"*"<<a<<"="<<i*a;
if(i*a<=9){
cout<<"? ? ";
}else{
cout<<"? ?";
}
}
c=c+9;
cout<<endl;
}
return 0;
}
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