comefrom: <gouthampradhan>two_pointers_ThreeSumClosest_1.java
code: public int threeSumClosest(int[] a, int target) {
      Arrays.sort(a);
      int min = Integer.MAX_VALUE, ans = -1;
      for (int i = 0, l = a.length; i < l - 2; i++) {
        if (i == 0 || !(a[i] == a[i - 1])) {
          int j = i + 1, k = l - 1;
          while (k > j) {
            if (j != i + 1 && (a[j] == a[j - 1])) {
              j++;
              continue;
            }
            int sum = a[i] + a[j] + a[k];
            if (sum < target) {
              int diff = Math.abs(sum - target);
              if (diff < min) {
                min = diff;
                ans = sum;
              }
              j++;
            } else if (sum > target) {
              int diff = Math.abs(sum - target);
              if (diff < min) {
                min = diff;
                ans = sum;
              }
              k--;
            } else {
              return sum;
            }
          }
        }
      }
      return ans;
    }
masked: public int sample_funcname ( int [ ] var_0 , int var_1 ) {
    Arrays . sort ( var_0 ) ;
    int var_6 = Integer . MAX_VALUE , var_8 = - 1 ;
    for ( int var_10 = 0 , var_12 = var_0 . length ;
    var_10 < var_12 - 2 ;
    var_10 ++ ) {
      if ( var_10 == 0 || ! ( var_0 [ var_10 ] == var_0 [ var_10 - 1 ] ) ) {
        int var_14 = var_10 + 1 , var_15 = var_12 - 1 ;
        while ( var_15 > var_14 ) {
          if ( var_14 != var_10 + 1 && ( var_0 [ var_14 ] == var_0 [ var_14 - 1 ] ) ) {
            var_14 ++ ;
            continue ;
          }
          int var_16 = var_0 [ var_10 ] + var_0 [ var_14 ] + var_0 [ var_15 ] ;
          if ( var_16 < var_1 ) {
            int var_19 = Math . abs ( var_16 - var_1 ) ;
            if ( var_19 < var_6 ) {
              var_6 = var_19 ;
              var_8 = var_16 ;
            }
            var_14 ++ ;
          }
          else if ( var_16 > var_1 ) {
            int var_19 = Math . abs ( var_16 - var_1 ) ;
            if ( var_19 < var_6 ) {
              var_6 = var_19 ;
              var_8 = var_16 ;
            }
            var_15 -- ;
          }
          else {
            return var_16 ;
          }
        }
      }
    }
    return var_8 ;
  }
  