use dlx_rs::sudoku::Sudoku;

// Solve sudoku
//
//  5 3   ║   7   ║
//  6     ║ 1 9 5 ║
//    9 8 ║       ║   6
// ═══════╬═══════╬═══════
//  8     ║   6   ║     3
//  4     ║ 8   3 ║     1
//  7     ║   2   ║     6
// ═══════╬═══════╬═══════
//    6   ║       ║ 2 8
//        ║ 4 1 9 ║     5
//        ║   8   ║   7 9

fn main() {
    // Define sudoku grid, 0 is unknown number
    let sudoku = vec![
        0, 7, 0, 1, 0, 5, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 2, 0, 0, 0, 0, 0, 0, 5, 1, 0, 0,
        0, 0, 0, 0, 9, 8, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 4, 0, 6, 0, 0, 0, 3, 0, 3, 9, 0, 0, 4,
        0, 7, 0, 4, 0, 0, 0, 7, 0, 0, 0, 0, 6, 8, 0, 0, 0, 0, 0, 5, 0,
    ];
    println!("Input:");
    println!("{}", Sudoku::pretty(&sudoku));
    println!();
    let s = Sudoku::new_from_input(&sudoku);
    for solution in s {
        println!("Solution:");
        println!("{}", Sudoku::pretty(&solution));
    }
}