Program Segitiga Bintang Terbalik C++

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#include <iostream>
using namespace std;
int i,a,n;
int main(){
cout<<"program dibuat oleh SONNY ABRIANTORO"<<endl;
cout<<"masukan jumlah baris : ";
cin>>i;
n=0;
do{
    n++;
    a=i;
    do{
        cout<<"*";
        a--;
        }while (a>=n);
    cout<<endl;
    }while (n<i);
return 0;
}



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