Simple C Programs

INDEX


//C Program: A simple Hello program
#include<stdio.h>

int main()
{
    printf("Hello!!! Welcome to C");

    return 0;
}
C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners

TOP

//C Program: Accept two integers and display their average
#include<stdio.h>

int main()
{
    int n1,n2;
    float result;

    printf("\nEnter 1st Integer: ");
    scanf(“%d”,&n1);
    printf("\nEnter 2nd Integer: ");
    scanf(“%d”,&n2);

    result=(n1+n2)/2.0;

    printf(“Average = %f”,result);

    return 0;
};
C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners

TOP

//C Program: A program to aceept temperature in degree celsius and displays its farenheit equivalent
#include<stdio.h>

int main()
{
    float c, f;

    printf("\nEnter temperature in Celsius: ");
    scanf(“%f”,&c);
   
    f=(9*c)/5+32;

    printf(“%f degree Celsius = %f degree farenheit”,c,f);
   
    return 0;
};
C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners

TOP

/*C Program: SWAP PROGRAM (Using 3rd Variable): Accept two integers, excahnge their values and then display their new values.
example:
Enter Integer1: 5
Enter Integer2: 7

Values Before Swap/Exchange: Integer1: 5 and Integer2: 7

Values After Swap/Exchange: Integer1: 7 and Integer2: 5

*/
#include<stdio.h>

int main()
{
    int a,b,c;
    printf("\nEnter Integer1: ");
    scanf(“%d”,&a);
    printf("\nEnter Integer2: ");
    scanf(“%d”,&b);

    printf("\nValues Before Swap/Exchange: Integer1: %d, Integer2: %d",a,b);
    c=a;
    a=b;
    b=c;

    printf("\nValues After Swap/Exchange: Integer1: %d, Integer2: %d",a,b);

    return 0;
};
C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners

TOP

/*C Program: SWAP PROGRAM (Without Using 3rd Variable): Accept two integers, excahnge their values and then display their new values.
example:
Enter Integer1: 5
Enter Integer2: 7

Values Before Swap/Exchange: Integer1: 5 and Integer2: 7

Values After Swap/Exchange: Integer1: 7 and Integer2: 5

*/
#include<stdio.h>

int main()
{
    int a,b,c;
    printf("\nEnter Integer1: ");
    scanf(“%d”,&a);
    printf("\nEnter Integer2: ");
    scanf(“%d”,&b);

    printf("\nValues Before Swap/Exchange: Integer1: %d, Integer2: %d",a,b);
    a=a+b;
    b=a-b;
    a=a-b;

    printf("\nValues After Swap/Exchange: Integer1: %d, Integer2: %d",a,b);

    return 0;
};
C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners

TOP

/*C Program: Accept first name, middle name and lastname seperately and then display the full name
example:
Enter First Name: Sachin
Enter Middle Name: Ramesh
Enter Last Name: Tendulkar
Full Name: Sachin Ramesh Tendulkar
*/

#include<stdio.h>

int main()
{
    char fname[25], mname[25], lname[25];
   
    printf("\nEnter First Name: ");
    gets(fname);
    printf("Enter Middle Name: ");
    gets(mname);
    printf("Enter Last Name: ");
    gets(lname);

    printf(“Full Name is: %s %s %s”,fname,mname,lname);
    return 0;
};
C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners

TOP

/*C Program: Accept principal, rate of interest and time period, then display the compound interest and the amount earned.
example:
Principal Money: 1000
Rate of Interest(per annum): 10
Time period (in years): 3
Calculating for Interest Compounded Annually
Interest Earned: 331
Amount: 1331
*/

#include<stdio.h>
#include<math.h>

int main()
{
    float p,r,t,ci,amt;

   printf("\nPrincipal Money: ");
    scanf(“%f”,&p);
    printf("Rate of Interest (per annum): ");
    scanf(“%f”,&r);
    printf("Time period (in years): ");
   scanf(“%f”,&t);
   
    printf("Calculating for Interest Compounded Annually ...");
    amt=p*pow((1+r/100),t);
    ci=amt-p;

    printf("\nInterest Earned: %f",ci);
    printf("\nAmount: %f",amt);

    return 0;
};
C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners

TOP

/*C Program: A program to aceept marks of a student in five subjects - English, Physics, Chemistry, Mathematics, Computers
and then display the total marks and percentage. Assuming maximum marks for each subject is 80.*/

#include<stdio.h>

int main()
{
    float eng, phy, chem, math, comp, total, percent;
   
    printf("\nEnter the Marks in Respective Subjects.");
    printf("\nENGLISH (out of 80): ");
    scanf(“%f”,&eng);
    printf("PHYSICS (out of 80): ");
    scanf(“%f”,&phy);
    printf("CHEMISTRY (out of 80): )";
    scanf(“%f”,&chem);
    printf("MATHEMATICS (out of 80): )";
    scanf(“%f”,&math);
    printf("COMPUTER (out of 80): )";
    scanf(“%f”,&comp);

    total=eng+phy+chem+math+comp;
    percent=total*100/400;

    printf("\nTotal Marks (out of 400): %f",total);
    printf("\nPercentage Secured: %f %",percent);

    return 0;
};
C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners | C Programming | Computer Programming for Beginners

TOP