Latihan 3

Soal 3

a.     

Kode Program:

#include<stdio.h>

#include<conio.h>

main()

{

        int i,j;

    for(i=5;i>-1;--i)

        {

                        printf("\n");

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

                        {

                                        printf("%3i", j);

                        }

            printf("  \n");

        }

        getch();

}

Hasil Program:

b.      

Kode program :

#include<stdio.h>

#include<conio.h>

main()

{      

        int i, j;

        for (i=1; i<=1; i++)

        {

                        printf("\n  ");

                        for (j=i; j<=5; j++)

                        {

                                        printf("%2i ", j);

                        }

                        printf("\n  ");

        }

        for (i=6; i<=6; i++)

        {

                        for (j=i; j<=9; j++)

                        {

                                        printf("%2i ", j);

                        }

                        printf("\n  ");

        }

        for (i=10; i<=10; i++)

        {

                        for (j=i; j<=12; j++)

                        {

                                        printf("%2i ", j);

                        }

                        printf("\n  ");

        }

        for (i=13; i<=13; i++)

        {

                        for (j=i; j<=14; j++)

                        {

                                        printf("%2i ", j);

                        }

                        printf("\n  ");

        }

        for (i=15; i<=15; i++)

        {

                        for (j=i; j<=15; j++)

                        {

                                        printf("%2i ", j);

                        }

                        printf("\n  ");

        }

        getch();

}

Hasil program :

c.        

Kode program :

#include<stdio.h>

#include<conio.h>

main()            

{

        int i, j;

        for(i = 5; i> 0; --i)

        {

            printf("\n");

                        for(j = 5 - i; j > 0; --j)

                        {

                                        printf(" ");

                        }

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

                        {

                                        printf("%d", j);

                        }

            printf("\n");

        }

        getch();

}

Hasil program :

d.       

Kode program :

#include<stdio.h>

#include<conio.h>

main()

{

        int i,j;

    for (i=1;i<=5;i++)

    {

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

        {

            printf(" *");

        }

            printf("\n");

    }

        getch();

}

Hasil program :

e.       

Kode program :

#include<stdio.h>

#include<conio.h>

using namespace std;

main()

{

        int i, j, k, l;

        l=1;

        for (i=1;i<=5;i++)

    {

        for (j=4;j>=i;j--)

        {

            printf(" ");

        }

        for (k=0;k<l;k++)

        {

            printf("*");

                        }

                        printf("\n");

                        l=l+2;

        }

        getch();

}

Hasil program :

Latihan 2

Soal 2

Buatlah rogram untuk menentukan nama bulan berdasarkan angka yang di input.

Jawab

Kode Program:

#include<stdio.h>

#include<conio.h>

main()

{

        int M;

        printf("\n*** Menentukan Nama Bulan Berdasarkan Input Angka ***\n");

        printf("   ===============================================\n\n");

        printf("Input angka : ");

        scanf("%i", &M);

        switch(M)

        {

                        case 1:

                                        printf("Bulan Januari\n\n");

                                        break;

                        case 2:

                                        printf("Bulan February\n\n");

                                        break;

                        case 3:

                                        printf("Bulan March\n\n");

                                        break;

                        case 4:

                                        printf("Bulan April\n\n");

                                        break;

                        case 5:

                                        printf("Bulan May\n\n");

                                        break;

                        case 6:

                                        printf("Bulan June\n\n");

                                        break;

                        case 7:

                                        printf("Bulan July\n\n");

                                        break;

                        case 8:

                                        printf("Bulan August\n\n");

                                        break;

                        case 9:

                                        printf("Bulan September\n\n");

                                        break;

                        case 10:

                                        printf("Bulan October\n\n");

                                        break;

                        case 11:

                                        printf("Bulan November\n\n");

                                        break;

                        case 12:

                                        printf("Bulan December\n\n");

                                        break;

                        default:

                        printf("error");

                        getch();

        }

}

Hasil Program:

Latihan 1

Soal 1

Buatlah program untuk menghitung:

a.       Luas Persegi Panjang.

b.      Volume Bola.

     

Jawab

a.        

a. Kode Program :

#include<stdio.h>

#include<conio.h>

main()

{

        printf("\n*** Menghitung Luas Persegi Panjang ***\n");

        printf("   ============================   \n\n");

        int p, l, L;

        printf("Panjang : ");

        scanf("%i", &p);

        printf("Lebar   : ");

        scanf("%i", &l);

        L=p*l;

        printf("Luas Persegi Panjang: %i", L);

        getch();

}

Hasil Program :

b.       

b. Kode Program :

#include<stdio.h>

#include<conio.h>

main()

{

        float phi=3.14;

        float v, l;

        int r;

        printf("\n*** Menghitung Volume & Luas Bola ***\n");

        printf("   ===============================\n\n");

        printf("Masukan nilai jari-jari : ");

        scanf("%d&",&r);

        v=(4*phi)/3*r*r*r;

        l=4*phi*r*r;

        printf("Volume bola dengan jari-jari %d, adalah %.2f, dan luasnya %.2f",r,v,l);

        getch();

}

Hasil Program :