comefrom: <awangdev>53. Maximum Subarray_1.java
code: public int maxSubArray(int[] nums) {
          if (nums == null || nums.length == 0) return Integer.MIN_VALUE;
          int preMaxSum = 0, max = Integer.MIN_VALUE;
          for (int num : nums) {
              preMaxSum = Math.max(num, preMaxSum + num);
              max = Math.max(max, preMaxSum);
          }
          return max;
      }
masked: public int sample_funcname ( int [ ] var_0 ) {
    if ( var_0 == null || var_0 . length == 0 ) return Integer . MIN_VALUE ;
    int var_1 = 0 , max = Integer . MIN_VALUE ;
    for ( int var_2 : var_0 ) {
      var_1 = Math . max ( var_2 , var_1 + var_2 ) ;
      max = Math . max ( max , var_1 ) ;
    }
    return max ;
  }
  