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Basic
Switch Case
Goto
Operators
if Statement
Nested if
While Loop
For Loop
Patterns
Array
2D Array
String Function Example
Pointers
Recursion Function
Structure
Excersises
Others



Sum of all number using while in c program


C program to Find sum of all numbers in given range using while Loop.

Example : pgm.c

#include<stdio.h>
int main(){
    int i,f,t,sum=0;
    printf("\nEnter From Value : ");
    scanf("%d",&f);
    printf("\nEnter To Value : ");
    scanf("%d",&t);
    i=f;
    while(i<=t){
        sum=sum+i;
        i++;
    }
    printf("\nSum of %d to %d is %d",f,t,sum);
    return 0;
}

Output:

Enter From Value : 1
Enter To Value : 10
Sum of 1 to 10 is 55