comefrom: <awangdev>1219. Path with Maximum Gold_1.java
code: private boolean check(int[][] grid, int i, int j) {
  
          return i < 0 || j < 0 || i >= grid.length || j >= grid[0].length || grid[i][j] == 0;
      }
masked: private boolean var_0 ( int [ ] [ ] var_1 , int var_2 , int var_3 ) {
    return var_2 < 0 || var_3 < 0 || var_2 >= var_1 . length || var_3 >= var_1 [ 0 ] . length || var_1 [ var_2 ] [ var_3 ] == 0 ;
  }
  