Home » , » Program Menghitung Luas, Keliling & Diameter Lingkaran

Program Menghitung Luas, Keliling & Diameter Lingkaran

Posted by RZDev: Belajar Programming! on Sunday, January 8, 2017

Program Menghitung Luas, Keliling & Diameter Lingkaran

Program menghitung luas, keliling & diameter lingkaran ini menggunakan prosedur void & switch case. Script yang disusun cukup panjang namun masih bisa disederhanakan lagi. Berikut scriptnya :

#include <iostream>
#include <math.h>
#include <stdlib.h>

using namespace std;

float luas(float jari){
return jari*jari*3.14;
}

float keliling(float jari){
return 2*3.14*jari;
}

float diameter(float jari){
return jari*2;
}


int main()
{
    menu:
    system("cls");
    int masukan;
    char pil;
    float jari;
    do
    {
    cout << "==================================" << endl;
    cout << "              MENU                " << endl;
    cout << "1. Hitung Luas Lingkaran          " << endl;
    cout << "2. Hitung Keliling Lingkaran      " << endl;
    cout << "3. Hitung Diameter Lingkaran      " << endl;
    cout << "4. Keluar" << endl;
    cout << "==================================" << endl;
    cout << "Masukkan pilihan            : ";cin>>masukan;
    system("cls");
if (masukan == 1 || masukan == 2 || masukan == 3 || masukan == 4) break;
    else (cout << "   Maaf pilihan anda tidak tersedia!" ) << endl;
}
while (masukan != 4);
    switch (masukan)
{
case 1:
cout << "==================================" << endl;
cout << "         LUAS LINGKARAN    " << endl;
cout << "==================================" << endl;
cout << "Masukkan Nilai Jari - Jari  : "; cin >> jari;
cout << "Luas Lingkaran              : "<< luas (jari);
cout << "\nKembali ke Menu (Y/N)?    : ";
        cin >> pil;
        if (pil=='y'||pil=='Y')
        {
            goto menu;
        }
        else if (pil=='n'||pil=='N')
        {
        return 0;
}
        else
        {
        cout << "INPUT Y atau N saja !" << endl;
}
    break;
 
case 2:
cout << "==================================" << endl;
cout << "       KELILING LINGKARAN " << endl;
cout << "==================================" << endl;
cout << "Masukkan Nilai Jari - Jari     : "; cin >> jari;
cout << "Keliling Lingkaran             : "<< keliling (jari);
cout << "\nKembali ke Menu (Y/N)?       : ";
        cin >> pil;
        if (pil=='y'||pil=='Y')
        {
            goto menu;
        }
        else if (pil=='n'||pil=='N')
        {
        return 0;
}
        else
        {
        cout << "INPUT Y atau N saja !" << endl;
}
    break;
case 3:
cout << "==================================" << endl;
cout << "      DIAMETER LINGKARAN " << endl;
cout << "==================================" << endl;
cout << "Masukkan Nilai Jari - Jari  : "; cin >> jari;
cout << "Diameter Lingkaran          : "<< diameter (jari);
cout << "\nKembali ke Menu (Y/N)?    : ";
        cin >> pil;
        if (pil=='y'||pil=='Y')
        {
            goto menu;
        }
        else if (pil=='n'||pil=='N')
        {
        return 0;
}
        else
        {
        cout << "INPUT Y atau N saja !" << endl;
}
    break;
case 4:
    return 0;
    }
    system("pause");
    cout << "\nKembali ke Menu (Y/N)?    : ";
        cin >> pil;
        if (pil=='y'||pil=='Y')
        {
            goto menu;
        }
        else if (pil=='n'||pil=='N')
        {
        return 0;
}
        else
        {
        cout << "INPUT Y atau N saja !" << endl;
}

    return 0;

}

Jika ada script yang salah segera laporkan, terima kasih & semoga bermanfaat

Thanks for reading & sharing RZDev: Belajar Programming!

Previous
« Prev Post

0 comments:

Post a Comment

Search