comefrom: <awangdev>Total Occurrence of Target_1.java
code: public int totalOccurrence(int[] A, int target) {
      	if (A == null || A.length == 0) {
      		return 0;
      	}
      	int start = 0;
      	int end = A.length - 1;
      	int mid = start + (end - start)/2;
      	int first = 0;
      	int last = 0;
      	while (start + 1 < end){
      		mid = start + (end - start)/2;
      		if (A[mid] == target) {
  				if (mid - 1 >= 0 && A[mid - 1] == target) {
  					end = mid;
  				} else {
  					break;
  				}
  			} else if (A[mid] < target) {
  				start = mid;
  			} else {
  				end = mid;
  			}
      	}
      	if (A[start] == target) {
      		first = start;
      	} else if (A[mid] == target){
      		first = mid;
      	} else if (A[end] == target){
      		first = end;
      	} else {
      		return 0;
      	}
      	if (mid + 1 < A.length && A[mid + 1] != target) {
      		return 1;
      	}
  
      	start = first;
      	last = start + 1;
      	end = A.length - 1;
      	while (start + 1 < end){
      		mid = start + (end - start)/2;
      		if (A[mid] == target) {
  				if (mid + 1 < A.length && A[mid + 1] == target) {
  					start = mid;
  				} else {
  					break;
  				}
  			} else if (A[mid] < target) {
  				start = mid;
  			} else {
  				end = mid;
  			}
      	}
  
      	if (A[end] == target) {
      		last = end;
      	} else if (A[mid] == target){
      		last = mid;
      	} else if (A[start] == target) {
      		last = start;
      	} 
      	return last - first + 1;
      }
masked: public int sample_funcname ( int [ ] var_0 , int var_1 ) {
    if ( var_0 == null || var_0 . length == 0 ) {
      return 0 ;
    }
    int var_5 = 0 ;
    int var_7 = var_0 . length - 1 ;
    int var_9 = var_5 + ( var_7 - var_5 ) / 2 ;
    int var_10 = 0 ;
    int var_11 = 0 ;
    while ( var_5 + 1 < var_7 ) {
      var_9 = var_5 + ( var_7 - var_5 ) / 2 ;
      if ( var_0 [ var_9 ] == var_1 ) {
        if ( var_9 - 1 >= 0 && var_0 [ var_9 - 1 ] == var_1 ) {
          var_7 = var_9 ;
        }
        else {
          break ;
        }
      }
      else if ( var_0 [ var_9 ] < var_1 ) {
        var_5 = var_9 ;
      }
      else {
        var_7 = var_9 ;
      }
    }
    if ( var_0 [ var_5 ] == var_1 ) {
      var_10 = var_5 ;
    }
    else if ( var_0 [ var_9 ] == var_1 ) {
      var_10 = var_9 ;
    }
    else if ( var_0 [ var_7 ] == var_1 ) {
      var_10 = var_7 ;
    }
    else {
      return 0 ;
    }
    if ( var_9 + 1 < var_0 . length && var_0 [ var_9 + 1 ] != var_1 ) {
      return 1 ;
    }
    var_5 = var_10 ;
    var_11 = var_5 + 1 ;
    var_7 = var_0 . length - 1 ;
    while ( var_5 + 1 < var_7 ) {
      var_9 = var_5 + ( var_7 - var_5 ) / 2 ;
      if ( var_0 [ var_9 ] == var_1 ) {
        if ( var_9 + 1 < var_0 . length && var_0 [ var_9 + 1 ] == var_1 ) {
          var_5 = var_9 ;
        }
        else {
          break ;
        }
      }
      else if ( var_0 [ var_9 ] < var_1 ) {
        var_5 = var_9 ;
      }
      else {
        var_7 = var_9 ;
      }
    }
    if ( var_0 [ var_7 ] == var_1 ) {
      var_11 = var_7 ;
    }
    else if ( var_0 [ var_9 ] == var_1 ) {
      var_11 = var_9 ;
    }
    else if ( var_0 [ var_5 ] == var_1 ) {
      var_11 = var_5 ;
    }
    return var_11 - var_10 + 1 ;
  }
  