Some Basic Examples

Q. WAP to Enter 5 Numbers and display the Sum ?

 #include<stdio.h>
 main()
{
int val1,sum=0,i;
printf("Please Enter 5 Numbers:\n");
for(i=0;i<5;i++)
{
scanf("%d",&val1);
sum+=val1;
}
printf("Sum is: %d",sum);
}

Q. WAP to Reverse a three digit Number using simple Logic ?


#include<stdio.h>
main()
{
            int a;
            printf("Enter a three digit number\n");
            scanf("%d",&a);
            int p = a % 10;
            int y=  a / 10;
            int q = y % 10;
            int o = y / 10;
            int r = o % 10;
            int c =  p * 100 + q * 10 + r * 1;
            printf("%d",c);
}

Q. WAP to Find Sum of N Numbers ?

#include <stdio.h>

main()

{

    int N, sum = 0;

    printf("Program for sum of all numbers from 0 - N\n");

    printf("Enter N: ");

    scanf("%d", &N);

    sum = N * (N+1) / 2;

    printf("The sum of all numbers between 0 and %d is: %d", N, sum);

}

Q. WAP to Display the Table of any Number Entered by user ?

#include<stdio.h>

main()  

{

    int i,num;

    printf("Please Enter the Number:\n");

    scanf("%d",&num);

    printf("Table of  %d  is: \n",num);

    for(i=1;i<=10;i++)

    {

    printf("%d * %d = %d\n",num,i,num*i);    

    } 

}

Q. WAP to Reverse any digit Number ?

#include<stdio.h>

main ()

{

int no,r,res;

printf("Enter any value: ");

scanf("%d",&no);

r=res=0;

while(no>0)

{

r=no%10;

no=no/10;

res=(res*10)+r;

}

printf("\nReverse is %d",res);

}