comefrom: <awangdev>274.H-Index_1.java
code: public int hIndex(int[] citations) {
          if (citations == null || citations.length == 0) {
          	return 0;
          }
   		int n = citations.length;
   		int[] bucket = new int[n + 1]; 
   		for (int i = 0; i < n; i++) {
   			int bucketSlot = citations[i];
   			if (bucketSlot <= n) bucket[bucketSlot]++;
              else bucket[n]++; 
   		}
  
   		int sum = 0;
   		for (int h = n; h >= 0; h--) {
              sum += bucket[h]; 
   			if (sum >= h) return h; 
   		}
        	return 0;
      }
masked: public int sample_funcname ( int [ ] var_0 ) {
    if ( var_0 == null || var_0 . length == 0 ) {
      return 0 ;
    }
    int var_4 = var_0 . length ;
    int [ ] var_6 = new int [ var_4 + 1 ] ;
    for ( int var_7 = 0 ;
    var_7 < var_4 ;
    var_7 ++ ) {
      int var_8 = var_0 [ var_7 ] ;
      if ( var_8 <= var_4 ) var_6 [ var_8 ] ++ ;
      else var_6 [ var_4 ] ++ ;
    }
    int var_9 = 0 ;
    for ( int var_10 = var_4 ;
    var_10 >= 0 ;
    var_10 -- ) {
      var_9 += var_6 [ var_10 ] ;
      if ( var_9 >= var_10 ) return var_10 ;
    }
    return 0 ;
  }
  