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Count Set Bits in an Integer

Code

#include <stdio.h>

int countSetBits(unsigned int n) {
    // Write your code here
    unsigned int count =0;
    for(int i=0;i<32;i++){
    
    count+= ((n>>i)&1);
    }
   return count; 
}

int main() {
    int n;
    scanf("%d", &n);
    printf("%d", countSetBits(n));
    return 0;
}

Solving Approach

 

 

 

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Input

5

Expected Output

2