2. Programming Projects

1. #include <stdio.h>

int main(void){

    printf("       *\n");

    printf("      *\n");

    printf("     *\n");

    printf("*   *\n");

    printf(" * *\n");

    printf("  *\n");

    return 0;

}

2. #include <stdio.h>

int main(void){

    int radius = 10;

    float volume = ( ( radius * radius * radius * 3.14) * (4.0f / 3.0f) );

    printf("Volume of sphere with 10-meter radius is %f\n", volume);

    return 0;    

}

3. #include <stdio.h>

int main(void){

    int radius;

    printf("Enter the radius of sphere : ");

    scanf("%d", &radius);

    float volume = ( ( radius * radius * radius * 3.14) * (4.0f / 3.0f) );

    printf("Volume of sphere with 10-meter radius is %f\n", volume);

    

    return 0;    

}

4. #include <stdio.h>

int main(void)

{

    float dollar_cent;

    printf("Enter an amount : ");

    scanf("%f", &dollar_cent);

    float tax_add = ( dollar_cent + (dollar_cent * 0.05) );

    printf("With tax added : %.2f\n", tax_add);

    return 0;

    

}

5. #include <stdio.h>

int main(void)

{

    int x;

    printf("Enter x : ");

    scanf("%d",&x);

    int fomula = ( (3 * x * x * x * x * x) + (2 * x * x * x * x) 

                  - (5 * x * x * x) - (x * x) + (7 * x) - 6 );

                

    printf("fomula is : %d", fomula);

    return 0;

    

}

6. #include <stdio.h>

int main(void)

{

    int x;

    printf("Enter x : ");

    scanf("%d",&x);

    int fomula = ( ( ( ( ( (3 * x) + 2 ) * x - 5) * x - 1) * x + 7 ) * x - 6 );

    printf("fomula is : %d", fomula);

    return 0;

    

}

7. #include <stdio.h>

int main(void)

{

    int dollars;

    

    printf("Enter a dollar amount : ");

    scanf("%d", &dollars);

    printf("$20 bills : %d\n", (dollars / 20) );

    dollars = (dollars % 20);

    

    printf("$10 bills : %d\n", (dollars / 10) );

    dollars = (dollars % 10);

    printf("$5 bills : %d\n", (dollars / 5) );

    dollars = (dollars % 5);

    printf("$1 bills : %d\n", dollars);

    

    return 0;

}

8. #include <stdio.h>

int main(void)

{

    float loan;

    float rate;

    float month_payment;

    float remaining;

    printf("Enter amount of loan : ");

    scanf("%f", &loan);

    remaining = loan;

    printf("Enter interest rate : ");

    scanf("%f", &rate);

    printf("Enter monthly payment : ");

    scanf("%f", &month_payment);

    printf("loan : %f , rate : %f, monthly payment : %f\n", loan, rate, month_payment);

    remaining = ( ( (remaining + (rate / 12.0f / 100) * remaining ) ) - month_payment);

    printf("Balance ramaining after first payment : $%.2f\n", remaining);

    remaining = ( ( (remaining + (rate / 12.0f / 100) * remaining ) ) - month_payment);

    printf("Balance ramaining after second payment : $%.2f\n", remaining);

    remaining = ( ( (remaining + (rate / 12.0f / 100) * remaining ) ) - month_payment);

    printf("Balance ramaining after third payment : $%.2f\n", remaining);

    return 0;

}