comefrom: <awangdev>Count 1 in Binary_1.java
code: public int countOnes(int num) {
          int count = 0;
          for (int i = 1; i <= 32; i++) {
              count += num >> i & 1;
          }
          return count;
      }
masked: public int sample_funcname ( int var_0 ) {
    int var_1 = 0 ;
    for ( int var_2 = 1 ;
    var_2 <= 32 ;
    var_2 ++ ) {
      var_1 += var_0 >> var_2 & 1 ;
    }
    return var_1 ;
  }
  