#include <iostream>
#include <stdio.h>
using namespace std;

class sudoku_solver {
public:
    int sudoku[9][9], row[9], col[9], box[9], no_of_element;
    void initialize();
    void input();
    void display();
    void play();
    sudoku_solver() {
        no_of_element = 0;
    }
};
void sudoku_solver::initialize() {
    //It will create sudoku and initialize all values to 0
    for (int i = 0; i<9; i++)
        for (int j = 0; j<9; j++) {
            sudoku[i][j] = 0;
        }
    for (int j = 0; j<10; j++) {
        row[j] = 0;
        col[j] = 0;
        box[j] = 0;
    }
}
void sudoku_solver::input() {
    //It will take sudoku data from user
    int r = 0, c = 0, lol = 0;
    do {
        cout << "nIf you want to stop the input process enter element value=100";
    re_location:cout << "nSelect location (row,column)";
        cin >> r >> c;
        if (r<1 || r>9 || c<1 || c>9) {
            cout << "nWrong location Please enter location between 1,1 to 9,9";
            goto re_location;
        }
    re_element:cout << "nEnter element";
        cin >> sudoku[r - 1][c - 1];
        if (sudoku[r - 1][c - 1] == 100)
            goto skip;
        if (sudoku[r - 1][c - 1]<0 || sudoku[r - 1][c - 1]>9) {
            cout << "nWrong element Please enter element between 0 to 9 or 100 to quit process";
            goto re_element;
        }
    skip:lol = sudoku[r - 1][c - 1];
        cout << lol;
    } while (lol != 100);
    if (sudoku[r - 1][c - 1] == 100)
        sudoku[r - 1][c - 1] = 0;

}
void sudoku_solver::display() {
    //It will display sudoku
    for (int i = 0; i<9; i++) {
        for (int j = 0; j<9; j++)
            cout << sudoku[i][j] << "t";
        cout << "n";
    }
}
void sudoku_solver::play() {
    initialize();
    input();
    cout << "hi";
    display();
    while (no_of_element != 81) {
    // main logic
    }
}
int main() {
    sudoku_solver s;
    s.play();
    return 0;
}