Bab 3

1.        

2.        

#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) {

                float L,r,phi=3.14,V;

                cout<<"Masukkan jari-jari: "; cin>>r;

                V=4/3*phi*r*r*r;

                cout<<"Volume Bola= "<<V;

               

                return 0;

}

3.        

#include <iostream>

#include <math.h>

/* 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) {

                int A,B; float C;

                cout<<"Program mencari hipotenusa"<<endl;

                cout<<endl;

                cout<<"Masukkan panjang A= "; cin>>A;

                cout<<"Masukkan panjang B= "; cin>>B;

                C=sqrt(A*A+B*B);

                cout<<"Hipotenusanya= "<<C;

               

               

                return 0;

}

4.        

#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) {

                int detik,jam,menit,sisa,sisa2;

               

               

                cout<<"Masukkan jumlah detik: "; cin>>detik;

               

                jam=detik/3600;

                sisa=jam&3600;

                menit=sisa/60;

                sisa2=menit%60;

                detik=sisa2;

               

                cout<<"Jam   : "<<jam<<endl;

                cout<<"menit : "<<menit<<endl;

                cout<<"detik : "<<detik;

                return 0;

}

5.        

#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) {

                int j,m,detik,jam,menit,hasil;

               

               

                cout<<"Masukkan jumlah jam: "; cin>>jam;

                cout<<"Masukkan jumlah menit: "; cin>>menit;

                cout<<"Masukkan jumlah detik: "; cin>>detik;

               

                j=jam*3600;

                m=menit*60;

                hasil=j+m+detik;

                cout<<"Jumlah detik : "<<hasil;

                return 0;

}

6.        

#include <iostream>

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

using namespace std;

struct satu{

                int jam;

                int menit;

                int detik;

};

struct dua{

                int jam;

                int menit;

                int detik;

};

struct selisih{

                int jam;

                int menit;

                int detik;

};

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

                satu jam, menit, detik;

                dua ja, meni, deti;

                selisih j, men, det;

               

                cout<<"        PROGRAM MENCARI SELISIH WAKTU"<<endl;

                cout<<"         Ubah ke detikterlebih dahulu"<<endl<<endl;

               

                cout<<"PERTAMA"<<endl;

                cout<<"jam   : "; cin>>jam.jam;

                cout<<"menit : "; cin>>menit.menit;

                cout<<"detik : "; cin>>detik.detik;

               

                cout<<endl<<endl;

                cout<<"KEDUA"<<endl;

                cout<<"jam   : "; cin>>ja.jam;

                cout<<"menit : "; cin>>meni.menit;

                cout<<"detik : "; cin>>deti.detik;

               

                if((detik.detik-deti.detik)<0){

                                det.detik=(60+deti.detik)-detik.detik;

                                men.menit*60-60;

                }else{

                                det.detik=detik.detik-deti.detik;

                }

               

                if((menit.menit-meni.menit)<0){

                                men.menit=(60+meni.menit)-menit.menit;

                                j.jam*60-60;

                }else{

                                men.menit=menit.menit-meni.menit;

                }

               

                j.jam=jam.jam-ja.jam;

               

                cout<<endl<<endl;

                cout<<"SELISIH";

                cout<<"jam     : "<<j.jam<<endl;

                cout<<"menit   : "<<men.menit<<endl;

                cout<<"detik   : "<<det.detik<<endl;

                return 0;

}

7.        

8.        

#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) {

                int dalam,luar,rumusD, rumusL,luasCD;

                float phi=3.14;

               

                cout<<"Masukkan jari-jari bagian dalam CD= "; cin>>dalam;

                cout<<"Masukkan jari-jari bagian luar CD = "; cin>>luar;

               

                rumusD=phi*dalam*dalam;

                rumusL=phi*luar*luar;

               

                luasCD=rumusL-rumusD;

               

                cout<<"Luas plat CD= "<<luasCD<<" cm";

                return 0;

}

9.         

#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) {

                float a,b,hasil,p,q,bagi1,bagi2,hasil1,hasil2,hasil3,hasil4;

                cout<<"            Menghitung 2 Bilangan Rasional"<<endl<<endl;

               

                cout<<"=> Bilangan pertama"<<endl;

                cout<<"Masukkan pembilang = "; cin>>a;

                cout<<"Masukkan penyebut  = "; cin>>b;

                cout<<"                     "<<a<<"/"<<b<<endl;

                bagi1=a/b;

                cout<<"diubah ke bilangan desimal: "<<bagi1;

               

                cout<<endl<<endl<<endl;

                cout<<"=> Bilangan kedua"<<endl;

                cout<<"Masukkan pembilang = "; cin>>p;

                cout<<"Masukkan penyebut  = "; cin>>q;

                cout<<"                     "<<p<<"/"<<q<<endl;

                bagi2=p/q;

                cout<<"diubah ke bilangan desimal: "<<bagi2;

               

                hasil1=bagi1+bagi2;

                hasil1=bagi1-bagi2;

                hasil1=bagi1*bagi2;

                hasil1=bagi1/bagi2;

               

                cout<<endl<<endl;

                cout<<"#Hasil operasi Kedua bilangan"<<endl;

                cout<<"Penjumlahan = "<<hasil1<<endl;

                cout<<"Pengurangan = "<<hasil2<<endl;

                cout<<"Perkalian   = "<<hasil3<<endl;

                cout<<"Pembagian   = "<<hasil4<<endl;

                return 0;

}

10.    

#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) {

               

                int biner;

                cout<<"       Konversi Bilangan Biner 4 Digit ke Desimal"<<endl<<endl;

                cout<<"Masukkan bilangan biner= "; cin>>biner;

                switch(biner){

                                case 1000:

                                                cout<<"desimal = 8";

                                                break;

                                case 1001:

                                                cout<<"desimal= 9";

                                                break;

                                case 1010:

                                                cout<<"desimal = 10";

                                                break;

                                case 1011:

                                                cout<<"desimal = 11";

                                                break;

                                case 1100:

                                                cout<<"desimal = 12";

                                                break;

                                case 1101:

                                                cout<<"desimal = 13";

                                                break;

                                case 1110:

                                                cout<<"desimal = 14";

                                case 1111:

                                                cout<<"desimal = 15";

                                default:

                                                cout<<"selain bilangan biner tidak bisa";

                                                break;

                                               

                }

                return 0;

}

11.    

12.    

#include <iostream>

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

using namespace std;

int proses(){

                int a;

                int b;

                int c;

}

int selisih(){

                int T1;

                int T2;

                int i;

                int j;

}

char tugas;

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

                int d1,m1,y1;

                int d2,m2,y2;

               

               

                return 0;

}