2ms java solution


  • 0
    S
    public int hammingWeight(int n) {
            int count = 0 ;
            if(n == 0){
                return count;
            }
            for(int i = 0 ; i < 32 ; i++){
                if((n & (1 << i)) != 0){
                    count++;
                }
            }
            return count;
        }
    

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