comefrom: <awangdev>Bricks Falling When Hit_2.java
code: private int flip(int[][] grid, Set<String> visited) {
  
          int count = 0;
          for (String s : visited) {
              String[] ss = s.split("@");
              int i = Integer.parseInt(ss[0]), j = Integer.parseInt(ss[1]);
              if (grid[i][j] > 0) { 
                  grid[i][j] = 0;
                  count++;
              }
          }
          return count;
      }
masked: private int sample_funcname ( int [ ] [ ] var_0 , Set < String > var_3 ) {
    int var_5 = 0 ;
    for ( String var_6 : var_3 ) {
      String [ ] var_9 = var_6 . split ( "@" ) ;
      int var_12 = Integer . parseInt ( var_9 [ 0 ] ) , var_14 = Integer . parseInt ( var_9 [ 1 ] ) ;
      if ( var_0 [ var_12 ] [ var_14 ] > 0 ) {
        var_0 [ var_12 ] [ var_14 ] = 0 ;
        var_5 ++ ;
      }
    }
    return var_5 ;
  }
  