#include <cstdlib>#include <iostream>using namespace std;int main(int argc, char *argv[]){ int f,u,a,d;cout<<"Masukkan nilai Segitiga :";cin>>d;cout<<endl;for (f=d;f>=0;f--){for(u=f;u>=0;u--){cout<<" ";}for(a=0;a<=d-f;a++){cout<<"*";}for(a=0;a<d-f;a++){cout<<"*";}cout<<endl;} system("pause"); return ...