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#include <iostream>
#include <random>
#include <string>
using namespace std;
string input = "";
int randomSquare();
bool black = 1, white = 0;
float y = 0, n = 0, t = 0;
// square names
string sqname[64] = {
"a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8",
"b1", "b2", "b3", "b4", "b5", "b6", "b7", "b8",
"c1", "c2", "c3", "c4", "c5", "c6", "c7", "c8",
"d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8",
"e1", "e2", "e3", "e4", "e5", "e6", "e7", "e8",
"f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8",
"g1", "g2", "g3", "g4", "g5", "g6", "g7", "g8",
"h1", "h2", "h3", "h4", "h5", "h6", "h7", "h8"
};
// square values
bool sqval[64] = {
1, 0, 1, 0, 1, 0, 1, 0 ,
0, 1, 0, 1, 0, 1, 0, 1 ,
1, 0, 1, 0, 1, 0, 1, 0 ,
0, 1, 0, 1, 0, 1, 0, 1 ,
1, 0, 1, 0, 1, 0, 1 ,0 ,
0, 1, 0, 1, 0, 1, 0, 1 ,
1, 0, 1, 0, 1, 0, 1, 0 ,
0, 1, 0, 1, 0, 1, 0, 1
};
struct Square
{
string sqr;
bool val;
};
// 64 chess squares
Square sq[64];
int randomSquare()
{
random_device rd; // obtain a random number from hardware
mt19937 eng(rd()); // seed the generator
uniform_int_distribution<> distr(0, 64); // define the range of chess squares
return distr(eng);
}
void quiz(int rs) // pass in the generator
{
// fill in the struct with the array values
for (int i = 0; i < 64; i++)
{
sq[i].sqr = sqname[i];
sq[i].val = sqval[i];
}
cout << "is the chess square " << sq[rs].sqr << " white or black w : b" << endl;
string guess = "";
bool answer = 0;
cin >> guess;
cout << endl;
if (guess == "w") answer = 0;
else if (guess == "b") answer = 1;
else cout << "guess is not valid\n" << endl;
if (answer == sq[rs].val)
{
if (sq[rs].val == black)
{
cout << "that is correct " << sq[rs].sqr << " is " << "BLACK " << endl << endl;
y++;
}
if (sq[rs].val == white)
{
cout << "that is correct " << sq[rs].sqr << " is " << "WHITE " << endl << endl;
y++;
}
}
else
{
if (sq[rs].val == black)
{
cout << "incorect " << sq[rs].sqr << " is " << " BLACK " << endl << endl;
n++;
}
if (sq[rs].val == white)
{
cout << "incorect " << sq[rs].sqr << " is " << " WHITE " << endl << endl; ;
n++;
}
}
}
int main()
{
while (true)
{
cout << "please enter a chess square a1-h1 or\n";
cout << "or enter r for random square quiz or q to quit: ";
input == "";
cin >> input;
cout << endl;
if (input == "q")
{
return 0;
}
else if (input == "r")
{
cout << "how many questions would you like? 1- 10 ";
int loop;
cin >> loop;
for (int i = 0; i < loop; i++)
{
quiz(randomSquare());
}
t = (y / loop) * 100; // total
cout << "you got " << t << "% of the questions right " << endl << endl;
t = 0; y = 0; n = 0;
}
/*
-----------------------------------------------------------------
simplify below by seperating sqname[64]
into two seperate arrays for odd and even based on element index
itterate through array checking if it compares to the input
-----------------------------------------------------------------
*/
// I wanted to do proper error checking on the input
else if (input == "a1" || input == "a3" || input == "a5" || input == "a7" ||
input == "b2" || input == "b4" || input == "b6" || input == "b8" ||
input == "c1" || input == "c3" || input == "c5" || input == "c7" ||
input == "d2" || input == "d4" || input == "d6" || input == "d8" ||
input == "e1" || input == "e3" || input == "e5" || input == "e7" ||
input == "f2" || input == "f4" || input == "f6" || input == "f8" ||
input == "g1" || input == "g3" || input == "g5" || input == "g7" ||
input == "h2" || input == "h4" || input == "h6" || input == "h8")
{
cout << endl << "the square " << input << " is BLACK\n\n";
}
else if (input == "a2" || input == "a4" || input == "a6" || input == "a8" ||
input == "b1" || input == "b3" || input == "b5" || input == "b7" ||
input == "c2" || input == "c4" || input == "c6" || input == "c8" ||
input == "d1" || input == "d3" || input == "d5" || input == "d7" ||
input == "e2" || input == "e4" || input == "e6" || input == "e8" ||
input == "f1" || input == "f3" || input == "f5" || input == "f7" ||
input == "g2" || input == "g4" || input == "g6" || input == "g8" ||
input == "h1" || input == "h3" || input == "h5" || input == "h7")
{
cout << endl << "the square " << input << " is WHITE\n\n";
}
else
{
cout << input << " is not a chess square! \n\n";
}
}
}
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