Question

Write the code for a program that takes in an integer from the user and then calculates

the sum of all the numbers from 1 to the integer entered by the user. For example,
suppose the user entered the number 4; now, the output should be 10.

Answer 1

Step-by-step explanation:

#include<stdio.h>

#include<conio.h>

int main(){

int a,b=1,sum=0;

printf("Enter the number:");

scanf("%d",&a);

while(b<=a){

sum=sum+b;

b=b+1;

}

printf("The sum is %d\\",sum);

getch();

}