Count number of Ones in Array

Question

I need to count number of Ones of a 32 bit array in C.

Answer 1

#include <stdio.h>

int main()
{
    char a[32];
    int count=0,i;
    
    printf("Enter your string");
    scanf("%[^\n]s",a);
    for(i=0;i<32;i++)
    {
        if(a[i]=='1')
        {
            count++;
            
        }
    }
    
    printf("number of ones in an array is %d",count);

    return 0;
}