星号图

#include <iostream>using namespace std;int main( ){    int i,j,n=6;    for(i=1; i<=n; ++i)    {        for(j=1; j<=n-i; ++j)            cout<<" ";        for(j=1; j<=2*i-1; ++j)            cout<<"*";        cout<<endl;    }    return 0;}