Contoh PROGRAM PERULANGAN C++

Koleksi Program Perulangan C++

SUBSTANSI :

1. for
2. do .. while
3. while
4. Kombinasi for dan do .. while
5. Membuat Bidang ( Perulangan dan Percabangan - > switch)

1. Perulangan Menggunakan "for"

Mencari Rata-Rata, Maksimum dan Minimum

Program :

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

//MENCARI RATA - RATA, MAKSIMUM DAN MINIMUM
void main() { randomize(); int data, mak, min,tot=0; float rata; for(int i=1;i<=5;i++) { data=random(100); cout<<"Data masuk : "<<data<<endl; if (i==1) mak=min=data; else{ if (mak<data) mak=data; if (min>data) min=data; } tot=tot+data; } rata=tot/5; cout<<"Rata-rata : "<<rata<<endl; cout<<"Masimum : "<<mak<<endl; cout<<"Minimum : "<<min<<endl; getch(); } 

Counter 1st Run

Counter 2nd Run

Program :

#include <iostream.h>
#include <conio.h>
#include <iomanip.h>

//COUNTER
void main() { for(int i=1;i<=1000;i++) { cout<<setw(5)<<i; if(i%10==0) cout<<endl; if(i%100==0) { cout<<"Tekan enter untuk melanjutkan..."; getch(); clrscr(); } } getch(); } 

Counter dengan Interval, 1st Run

Counter dengan Interval, 2st Run

Program :

#include <iostream.h>
#include <conio.h>
#include <iomanip.h>

//COUNTER DENGAN INTERVAL
void main() { int brs=0,klm=0; for(int i=1;i<=1000;i+=3) { cout<<setw(5)<<i; klm++; if(klm==10) { cout<<endl; brs++; klm=0; } if(brs==10) { cout<<"Tekan enter untuk melanjutkan..."; getch();clrscr(); brs=0; } } getch(); } 

2. Perulangan Menggunakan do .. while

Mencari Rata-Rata, Maksimum dan Minimum

Program :

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

//MENCARI RATA-RATA, MAKSIMUM DAN MINIMUM
void main() { randomize(); int data, mak, min,tot=0,i=1; float rata; do{ data=random(100); cout<<"Data masuk : "<<data<<endl; if (i==1) mak=min=data; else{ if (mak<data) mak=data; if (min>data) min=data; } tot=tot+data; i++; }while(i<=5); rata=tot/5; cout<<"Rata-rata : "<<rata<<endl; cout<<"Masimum : "<<mak<<endl; cout<<"Minimum : "<<min<<endl; getch(); } 

3. Perulangan Menggunakan while

Mencari Rata-Rata, Maksimum dan Minimum

Program :

#include <iostream.h>

#include <conio.h>

#include <stdlib.h>



//MENCARI RATA-RATA, MAKSIMUM DAN MINIMUM




void main()

{

randomize();

int data, mak, min,tot=0,i=1;

float rata;

while(i<=5)

{

data=random(100);

cout<<"Data masuk : "<<data<<endl;

if (i==1)

mak=min=data;

else

{

if (mak<data)

mak=data;

if (min>data)

min=data;

}

tot=tot+data;

i++;

}

rata=tot/5;

cout<<"Rata-rata : "<<rata<<endl;

cout<<"Masimum : "<<mak<<endl;

cout<<"Minimum : "<<min<<endl;

getch();

}

4. Kombinasi for dan do .. while

Nota Pembayaran

Program :

#include <iostream.h>

#include <conio.h>

#include <iomanip.h>






//NOTA PEMBAYARAN




void main()

{

cout<<"NOTA PENJUALAN\n";

cout<<"GATEWAN MARKET\n";

cout<<"Jl. Parangtritis No 10 Yogyakarta\n";

cout<<"===================================================================\n";

cout<<"| No. | Nama Barang | Jml | Hg Sat | Jml Hg | Diskon | Tot Hg |\n";

cout<<"===================================================================\n";

for(int i=1;i<=15;i++)

{

cout<<"|                                                                  |\n";

}

cout<<"===================================================================\n";

cout<<"| TOTAL Bayar \n";

cout<<"===================================================================\n";

int i=1; char jw;

float jml,hgsat,jmlhg,disk,hgdisk,totdisk,totsemua,tothg;

char nmbrg[30];

do

{

gotoxy(3,6+i);cout<<i;

gotoxy(8,6+i);cin>>nmbrg;

gotoxy(22,6+i);cin>>jml;

gotoxy(28,6+i);cin>>hgsat;

jmlhg=jml*hgsat;

gotoxy(37,6+i);cout<<jmlhg;

gotoxy(46,6+i);cin>>disk;

hgdisk=(disk/100)*jmlhg;

gotoxy(50,6+i);cout<<hgdisk;

tothg=jmlhg-hgdisk;

totdisk=totdisk+hgdisk;

totsemua=totsemua+tothg;

gotoxy(55,6+i);cout<<tothg;

gotoxy(50,23);cout<<totdisk;

gotoxy(55,23);cout<<totsemua;

gotoxy(30,1);cout<<"Input data lagi [y/t]? ";cin>>jw;

i++;

gotoxy(30,1);clreol();

}while(jw=='y');

getch();

}

5. Membuat Bidang ( Perulangan dan Percabangan - > switch)

Diagonal Bawah

Diagonal Atas

Silang

Segitiga Siku-Siku Terbalik Kiri

Segitiga Siku-Siku Tegak

Segitiga Siku-Siku Terbalik Kanan

Program :

#include <iostream.h>

#include <conio.h>

#include <iomanip.h>






//Membuat Bidang




void main()

{

int pilih;

do{

clrscr();

cout<<"Menu Pilihan "<<endl;

cout<<"1. Diagonal bawah"<<endl;

cout<<"2. Diagonal atas"<<endl;

cout<<"3. Silang"<<endl;

cout<<"4. atas "<<endl;

cout<<"5. bawah "<<endl;

cout<<"6. bawah kiri"<<endl;

cout<<"7. bawah kanan"<<endl;

cout<<"8. Keluar"<<endl;

cout<<"Pilihan anda : ";cin>>pilih;

switch(pilih)

{

case 1:

{

for(int i=1;i<=10;i++)

{ for(int j=1;j<=10;j++)

if(i==j)

cout<<"*";

else

cout<<" ";

cout<<endl;

}

getch();

break;

}

case 2:

{

for(int i=1;i<=10;i++)

{ for(int j=1;j<=10;j++)

if(i+j==11)

cout<<"*";

else

cout<<" ";

cout<<endl;

}

getch();

break;

}

case 3:

{

for(int i=1;i<=10;i++)

{ for(int j=1;j<=10;j++)

if((i==j)||(i+j==11))

cout<<"*";

else

cout<<" ";

cout<<endl;

}

getch();

break;

}

case 4:

{

for(int i=1;i<=10;i++)

{ for(int j=1;j<=10;j++)

if(i+j<=11)

cout<<"*";

else

cout<<" ";

cout<<endl;

}

getch();

break;

}

case 5:

{

for(int i=1;i<=10;i++)

{ for(int j=1;j<=10;j++)

if(i+j>=11)

cout<<"*";

else

cout<<" ";

cout<<endl;

}

getch();

break;

}

case 6:

{

for(int i=1;i<=10;i++)

{ for(int j=1;j<=10;j++)

if(i>j)

cout<<"*";

else

cout<<" ";

cout<<endl;

}

getch();

break;

}

case 7:

{

for(int i=1;i<=10;i++)

{ for(int j=1;j<=10;j++)

if(i<j)

cout<<"*";

else

cout<<" ";

cout<<endl;

}

getch();

break;

}

}while(pilih!=8);

}

getch();

}

Membuat Persegi Panjang

Program :

#include <iostream.h>

#include <conio.h>






//MEMBUAT PERSEGI PANJANG




void main()

{

int i,j,n;

cout<<"program membuat persegi"<<endl;

cout<<"======================="<<endl;

cout<<endl;

cout<<"Masukkan ukuran persegi : "; cin>>n;

for (i=1;i<=n;i++)

{

if ((i==1)||(i==n))

{

for (j=1;j<=n;j++)

cout<<"*";

cout<<endl;

}

else

{

for (j=1;j<=n;j++)

{

if ((j==1)||(j==n))

cout<<"*";

else

cout<<" ";

}

cout<<endl;

}

}

getch();

}

Source: www.gatewan.com

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