// check.cpp - checks (parts of) Sudoku puzzle for legality
// YOUR NAME(S), DATE

#include <iostream>
using namespace std;

// global constants to return from your check functions
const int PERFECT = 2;
const int OKAY = 1;
const int ILLEGAL = 0;
const int UNDONE = -1;

// REQUIRED: COMPLETE okRow TO RETURN EITHER OKAY OR ILLEGAL.
// OPTIONAL: OR RETURN PERFECT IF THE ROW IS PERFECT.
int okRow(int row[]) {
    return UNDONE;
}

// OPTIONAL: SAME AS ABOVE BUT FOR COLUMN k OF puzzle.
int okColumn(int puzzle[9][9], int k) {
    return UNDONE;
}

// DO NOT CHANGE ANYTHING BELOW
int main() {
    int puzzle[9][9];
    char *result[] = {"illegal", "okay", "perfect"};

    // fill array with data from user
    cout << "enter 81 puzzle values in row order:\n";
    for (int i=0; i<9; i++)
        for (int j=0; j<9; j++) {
            cin >> puzzle[i][j];
            if (cin.fail()) {
                cout << "bad or incomplete data\n";
                return 1;
            }
        }

    // print checks of all rows if okayRow function done
    for (int i=0; i<9; i++) {
        int r = okRow(puzzle[i]);
        if (r >= 0 && r <= 2)
           cout << "row " << i << " is " <<  result[r] << endl;
    }

    // print checks of all columns if okayColumn done
    for (int i=0; i<9; i++) {
        int r = okColumn(puzzle, i);
        if (r >= 0 && r <= 2)
           cout << "column " << i << " is " << result[r] << endl;
    }

    return 0;
}