Description
This assignment asks you to finish the implementation of a program that assesses the level of infection in a tissue sample. You are given data representing a rectangular tissue sample, overlaid with a grid. Certain portions of the tissue are infected; others are not. Your goal is to help assess the extent of the infection by writing a program that, given the coordinates of a colony of infection, can determine its size. A typical use of the program follows. The user interacts with the program only through command-line arguments. The user supplies to the program a data filename and the coordinates of a cell in the grid. The coordinates are specified by row and then column, both starting at zero. The program calculates the extent of infection at that coordinate and outputs a two-dimensional representation of the tissue sample. Figure 1 depicts the execution of the program. 
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#include <iostream> #include <fstream> Using namespace std; #include "grid.h" // You do not need to alter function indexof. Int grid::indexof (int row, int col) const { Return row*cols+col; } // You do not need to alter function infection. Bool grid::infected(int row, int col) const { Return (area->operator[](indexof(row, col)) == INFECTED); } // You may need to alter the constructor Grid::grid (string file) { Ifstream grid_file; Grid_file.open (file.c_str()); Grid_file >> rows; Grid_file >> cols; Area = new vector<bool>(rows*cols, NOT_INFECTED); Note = new vector<string>(rows*cols, "0 "); While (true) { Int blob_row; Int blob_col; Grid_file >> blob_row; Grid_file >> blob_col; If (grid_file.eof()) { Break; } Area->operator[](indexof(blob_row,blob_col)) = INFECTED; Note->operator[](indexof(blob_row,blob_col)) = "1 "; } Grid_file.close(); } // You may need to alter the destructor Grid::~grid () { Delete area; Delete note; } // You will need to alter this function to display the // plus signs (+) next to the cells that belong to // a counted colony. Ostream &operator<<(ostream &stream, const grid& ob) { For (int row=0; row < ob.rows; row++) { For (int col=0; col < ob.cols; col++) { //stream << ob.area->operator[](ob.indexof(row, col)); Stream << ob.note->operator[](ob.indexof(row, col)); } Stream << endl; } Stream << endl; Return stream; } // Replace the return statement in this function with your // recursive implementation of this method */ Int grid::count (int row, int col) { If(0<=row&&row < rows&&0<=col&&col < cols) { If(infected( row, col)&¬e->operator[](indexof(row,col)) =="1 ") { Note->operator[](indexof( row,col)) ="1+ "; Return 1+count (row+1, col+1)+count (row+1, col)+ Count (row+1, col-1)+count (row, col-1)+ Count (row , col+1)+count (row-1, col+1)+ Count (row-1, col )+count (row-1, col-1); } Else Return 0; } Else return 0; } /*string grid::noteplus(int row,int col) const{ If(note->operator[](indexof(row, col)) == INFECTED){ Return "+ "; } Else Return " "; } */ |
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