C Program to Calculate the Sum of All Elements in an Array. The program will prompt the user to input the array size and the individual array elements.

Following is the program to find the sum of all the elements of the array as per the array input from the user :

#include<stdio.h>
int main(){
int n,sum=0;
printf("Enter the length of array ");
scanf("%d",&n);
int a[n];
printf("Enter the elements of array\n");
for(int i=0;i<n;i++){
scanf("%d",&a[i]);\
}
for(int j=0;j<n;j++){
sum += a[j];
}
printf("Sum: %d",sum);
return 0;
}