Array Program #1

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4. Read n numbers in an array and print their sum.

#include <stdio.h>
int main()
{
     int a[100], i, n, sum = 0;
     printf("Enter n: ");
     scanf("%d", &n);
     for(i=0; i<n;i++)
     {
          printf("Enter number %d: ",i+1);
          scanf("%d", &a[i]);
          sum=sum+a[i];
     }
     printf("Sum = %d\n", sum);
}

OR

#include<stdio.h>
void main()
{
     int a[100],i,sum=0,n;
     printf("Enter n:");
     scanf("%d",&n);
     for (i=0;i<n;i++)
     {
         printf("Enter number %d: ",i+1);
          scanf("%d",&a[i]);
     }
     for (i=0;i<n;i++)
     {
          sum=sum+a[i];
     }
     printf("Sum = %d\n", sum);
}

Output

  • Enter n: 10
    Enter number 1: 12
    Enter number 2: 13
    Enter number 3: 24
    Enter number 4: 11
    Enter number 5: 41
    Enter number 6: 31
    Enter number 7: 22
    Enter number 8: 54
    Enter number 9: 63
    Enter number 10: -1
    Sum = 270


Note:

Sum of n numbers in C:
This program adds n numbers which will be entered by a user. The user will enter a number indicating how many numbers to add and then the user will enter n numbers. To perform the arithmetic operation of addition of n numbers we can use an array or do it without using an array.

For download this program please check the link ➡➡ Download



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