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#include <iostream>
#include <vector>
using namespace std;
class Queen {
public:
void setRow(int inRow);
int getRow() const;
private:
int row;
};
int Queen::getRow() const {
return row;
}
void Queen::setRow(int inRow) {
row = inRow;
}
class Board {
public:
static const int BOARD_SIZE = 8;
Board();
void doQueens();
void display() const;
private:
bool placeQueens(int row, int col);
bool findNextSafeSquare(int& row, int col);
bool isUnderAttack(int row, int col);
vector<Queen> queens;
};
Board::Board() {
queens.resize(BOARD_SIZE);
}
void Board::doQueens() {
if (placeQueens(0, 0)) {
display();
} else {
cout << "No solution found." << endl;
}
}
bool Board::placeQueens(int row, int col) {
// use the pseudocode above to complete this function.
findNextSafeSquare(row,col);
while(row < BOARD_SIZE && col < BOARD_SIZE)
{
queens[col].setRow(row);
if(col == BOARD_SIZE-1 || placeQueens(0, col + 1))
{
return true;
}
else
{
queens[col].setRow(row + 1);
row = queens[col].getRow();
}
findNextSafeSquare(row,col);
}
return false;
}
bool Board::isUnderAttack(int testRow, int testCol) {
/*
for (int i = testRow; i < BOARD_SIZE; i++)
{
}
*/
}
}
//Cannot work on this until underAttack is done
// Sets "row" to the row of the next safe square in column col. Important note:
// Starts with the given row and col. In other words, the given row and col may
// be the "next safe square".
// returns true if a safe square is found, false if no safe square is found. If
// return value is false, row is undefined.
bool Board::findNextSafeSquare(int& row, int col) {
}
//After FindNextSafeSquare is done then do this
// Displays a visual representation of the current state of the board. For each position
// on the board, displays "X" if a queen is located at that position, otherwise displays
// "_" (underscore).
void Board::display() const {
}
int main() {
Board board;
board.doQueens();
}
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