1. //PROGRAM HITUNG LUAS BALOK
#include <stdio.h>
#include <conio.h>
float p, l, t,luas;
void main()
{
cl rs cr();
printf("-------------------------------------n");
printf("PROGRAM HITUNG LUAS BALOKn");
printf("-------------------------------------n");
printf("Masukan panjang : ");s canf("%f",&p);
printf("Masukan lebar : ");s canf("%f",&l);
printf("Masukan tinggi : ");s canf("%f",&t);
printf("-------------------------------------n");
luas = (2 * p * l ) + (2 * p * t) + (2 * l * t);
printf("Luas balok tersebut : %f", luas);
printf("n-------------------------------------");
getch();
}
#include <stdio.h>
#include <conio.h>
int i ;
void main()
{
cl rs cr();
for (i=2;i<50;i+=2)
printf("%i ",i);
printf("n");
for (i=3;i<50;i+=3)
printf("%i ",i);
printf("n");
for (i=50;i>0;i -=2)
printf("%i ",i);
printf("n");
for (i=4;i<50;i+=4)
i f ((i !=20)&&(i!=40))
printf("%i ",i);
printf("n");
for (i=2;i<50;i+=2)
i f (i<48)
printf("%i, ",i);
el se
printf("%i ",i);
printf("n");
getch();
}
#include <stdio.h>
#include <conio.h>
int i , max;
void main()
{
cl rs cr();
printf("CETAK BILANGAN KELIPATAN 2n");
printf("--------------------------n");
printf("Masukan batas atas : "); s canf ("%i", &max);
printf("--------------------------n");
printf("n");
i f ((max % 2) !=0) max--; //jika input ganjil max -1 , biar genap
for (i=2; i<=max; i+=2 )
i f (i !=max)
printf("%i, ",i);
el se
printf("%i ",i);
getch();
}
#include <stdio.h>
#include <conio.h>
int i , j, k;
void main()
{
cl rs cr(); // looping baris
{ // 1
for (i=1; i<=5; i++ )
{
for (j=1; j<=i ; j++)
printf("%i ",j );
printf("nn");
}
}
{ // 2
for (i=5; i>=1; i -- )
{
for (j=1; j<=i ; j++)
printf("%i ",i );
printf("nn");
}
}
{ // 3
for (i=5; i>=1; i -- )
{
for (j=1; j<=i ; j++)
printf("* " );
printf("nn");
}
}
{ // 4
for (i=1; i<=5; i++ )
{
for (j=1; j<=5; j++)
i f ((i==1) || (j==1))
printf("0 " );
el se
printf("* " );
printf("nn");
}
}
{ // 5
for (i=1; i<=5; i++ )
{
for (j=1; j<=5; j++)
i f ((i==5) || (j==5))
printf("0 " );
el se
printf("* " );
printf("nn");
}
}
{ // 6
for (i=1; i<=5; i++ )
{
for (j=1; j<=6; j++)
i f (j >(6-i ))
printf("* " );
el se
printf("0 " );
printf("nn");
}
}
getch();
}

2. #include <stdio.h>
#include <conio.h>
int i , n, total;
void main()
{
cl rs cr();
printf("PROGRAM MENGHITUNG BILANGAN GANJIL POSITIFn");
printf("------------------------------------------n");
printf("Masukkan batas atas :"); s canf("%i",&n);
printf("------------------------------------------n");
i f ((n % 2) == 0) n = n -1; // jika n bil genap makan n-1
i=1; tota l=0;
whi l e (i<=n)
{
i f (i != n)
printf("%i + ",i );
el se
printf("%i = ",i );
tota l = total + i ;
i = i +2;
}
printf("%i ",total);
getch();
}
#include <stdio.h>
#include <conio.h>
int i ;
void main()
{
cl rs cr();
i=0;
whi l e (i<10)
{
i++;
i f (i==5)break; // <----------- perintah break/continue
printf("%i ",i);
}
getch();
}
//Program menghitung volume tabung
#include <stdio.h>
#include <conio.h>
float jari_jari, tinggi, volume;
char jwb; // <------- variabel penampung jawaban y/t
void main()
{
do { // <----------- awal looping
cl rs cr();
printf("Masukkan panjang jari_jari ==> ");
s canf("%f",&jari_jari);
printf("nMasukkan tinggi tabung ==> ");
s canf("%f",&tinggi); fflush(stdin); // <----- tanpa fflush program akan
kembali ke perintah cl rscr
printf("nrumus volume tabung ==> 3.14 * jari _jari * jari_jari * tinggi
tabung");
volume = 3.14 * jari _jari * jari_jari * tinggi;
printf("nnVolume tabung tersebut ==>%10.2f",volume);
printf("nnMau hitung lagi [y/t] ==> "); jwb = getchar();
}whi l e (jwb == 'y');
}
//PROGRAM FAKTUR MINIMARKET
#include <stdio.h>
#include <conio.h>
char faktur[5], tanggal[2], nama_brg[30];
float jumlah, satuan, total, bayar, kembali, total_bayar, diskon;
void main()
{
cl rs cr();
printf("MINI MARKET ''MESTI PAYU'' n");
printf("Jl. laksda Adi Sucipto No.294-A Malangn");
printf("--------------------------------------n");
printf("No. Faktur : ");s canf("%s",&faktur);
printf("Tanggal transaksi : ");s canf("%s",&tanggal);
printf("--------------------------------------n");fflush(stdin);
printf("Nama Barang : ");gets (nama_brg);
printf("Harga Satuan : ");s canf("%f",&satuan);
printf("Jumlah : ");s canf("%f",&jumlah);
printf("--------------------------------------n");
tota l = jumlah * satuan ;
printf("Total Harga : %.fn",total); //<---------- "." / ti tik disini
menghilangkan nol dibelakang tanda ti tik
i f (tota l > 500000)
{
di skon = tota l * 0.05;
tota l_bayar = tota l - diskon;
}
el s e if (total > 300000)
{
di skon = tota l*0.03;
tota l_bayar = tota l-diskon;
}
el s e if (total > 100000)
{
di skon=total*0.02;
tota l_bayar=total-diskon;
}
el se
{
di skon = 0;
}
printf("Discount : %.fn",diskon);
tota l_bayar = total - diskon;
printf("Total Bayar : %.fn", total_bayar);
printf("--------------------------------------n");
printf("Bayar : ");s canf("%f",&bayar);
kembali = bayar - total_bayar;
printf("Kembali : %.fn",kembali);
printf("======================================n");
printf("---------selamat berbelanja-----------n");
printf("======================================n");
getch();
}

3. #include <stdio.h>
#include <conio.h>
int i , j, k;
void main()
{
cl rs cr();
{ // 4
for (i=1; i<=6; i++ )
for (j=1; j<=i ; j++)
printf("%i",i );
printf(" No.4"); // deret ini bisa dihapus
printf("n");
}
{ // 6
for (i=1; i<=6; i++ )
for (j=1; j<=i ; j++)
printf("%i",j );
printf(" No.6"); // deret ini bisa dihapus
printf("n");
}
{ // 7
for (i=1; i<=6; i++ )
for (j=7-i ; j>=1; j--)
printf("%i",j );
printf(" No.7"); // deret ini bisa dihapus
printf("n");
}
{ // 8
for (i=1; i<=6; i++ )
for (j=1; j<=i ; j++)
i f ((i==3) || (i==5))
printf("%i",i );
el se
printf("%i",j );
printf(" No.8"); // deret ini bisa dihapus
printf("n");
}
{ // 9
for (i=1; i<=6; i++ )
for (j=1; j<=i ; j++)
i f ((i==2) || (i==4) || (i==6))
printf("%i",i );
el se
printf("%i",j );
printf(" No.9"); // deret ini bisa dihapus
printf("n");
}
{ // 11
for (i=6; i>=1; i -- )
for (j=1; j<=i ; j++)
i f ((i==2) || (i==4) || (i==6))
printf("%i",i );
el se
printf("%i",j );
printf(" No.11"); // deret ini bisa dihapus
printf("n");
}
{ // 13
for (i=6; i>=1; i -- )
for (j=1; j<=i ; j++)
i f ((i==2) || (i==4) || (i==6))
printf("%i",i );
el se
printf("%i",j );
printf(" No.13"); // deret ini bisa dihapus
printf("n");
}
getch();
}