comefrom: <qiyuangong>453_Minimum_Moves_to_Equal_Array_Elements_1.java
code: public int minMoves(int[] nums) {
          if (nums.length == 0) return 0;
          Arrays.sort(nums);
          int min_num = nums[0];
          int ans = 0;
          for (int num : nums) {
              ans += num - min_num;
          }
          return ans;
      }
masked: public int sample_funcname ( int [ ] var_0 ) {
    if ( var_0 . length == 0 ) return 0 ;
    Arrays . sort ( var_0 ) ;
    int var_1 = var_0 [ 0 ] ;
    int var_2 = 0 ;
    for ( int var_3 : var_0 ) {
      var_2 += var_3 - var_1 ;
    }
    return var_2 ;
  }
  