contoh penggunaan while

#include <iostream>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

using namespace std;

int main(int argc, char** argv) {

                {

                char tek[12]="INFORMATIKA";

                int i=0;

                while (tek[i]!=NULL)

                {

                cout<<tek[i]<<endl;

                i++;

                }

                }

                return 0;

}

contoh if else

#include <iostream>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

using namespace std;

int main(int argc, char** argv) {

                { char ch;

                cout<<"Masukkan Sembarang Karakter :";cin>>ch;

                if((ch>='a'&& ch<='z')||(ch>='A'&& ch<='Z'))

                {cout<<" Yang Anda Ketik Adalah Alphabet";      }

                else

                {cout<<"Yang anda Ketik Bukan Alphabet";         }

                }

                return 0;

}

mencari konversi suhu

#include <iostream>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

/*cara menghitung suhu*/

using namespace std;

int main(int argc, char** argv) {

{              int c;

                float r,f,k;

                cout<<"masukkan suhu c :";

                cin>>c;

                                r=4/5*c;

                                r=4/(float)5*c;

                                f=(9/5*c)+32;

                                k=c+273;

                                cout<<"nilai suhu c= "<<"\t r= "<<r<<"\t f= \t k= "<<f;

                }

                return 0;

}