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main.js
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/*
var grid = [
[null, 4, null, null, 7, null, 2, null, 8],
[3, null, null, null, 4, null, null, 7, null],
[null, null, null, null, null, 8, 5, null, null],
[7, null, null, null, null, 2, 6, null, null],
[9, null, null, null, 5, null, null, null, 3],
[null, null, 5, 9, null, null, null, null, 1],
[null, null, 1, 4, null, null, null, null, null],
[null, 9, null, null, 2, null, null, null, 7],
[5, null, 7, null, 3, null, null, 4, null]
];*/
/*
var grid = [
[null, null, null, 4, 7, null, 2, null, null],
[null, null, 9, null, null, null, 8, null, 5],
[null, 5, null, 8, null, null, null, 6, null],
[6, null, 8, null, null, null, null, 2, 9],
[null, 4, null, null, 9, null, null, 1, null],
[9, 3, null, null, null, null, 7, null, 8],
[null, 9, null, null, null, 4, null, 8, null],
[5, null, 1, null, null, null, 9, null, null],
[null, null, 6, null, 3, 1, null, null, null]
];*/
/*
var grid = [
[3, null, 2, 8, null, null, 9, null, 1],
[null, null, null, 1, null, 5, null, null, null],
[null, null, 7, null, null, null, null, 6, null],
[null, null, null, 3, null, null, 1, null, null],
[null, 2, null, null, 4, null, null, 3, null],
[null, null, 9, null, null, 8, null, null, null],
[null, 7, null, null, null, null, 2, null, null],
[null, null, null, 9, null, 4, null, null, null],
[9, null, 5, null, null, 2, 7, null, 8]
];*/
/*
var grid = [
[null, 1, null, null, 5, null, null, 2, null],
[5, null, null, 3, null, 2, null, null, 8],
[null, null, 3, null, null, null, 5, null, null],
[null, 7, null, 5, null, 9, null, 8, null],
[4, null, null, null, null, null, null, null, 1],
[null, 3, null, 1, null, 6, null, 9, null],
[null, null, 5, null, null, null, 1, null, null],
[3, null, null, 9, null, 8, null, null, 4],
[null, 9, null, null, 6, null, null, 3, null]
];*/
/*
var grid = [
[null, null, null, 7, null, null, null, null, null],
[1, null, null, null, null, null, null, null, null],
[null, null, null, 4, 3, null, 2, null, null],
[null, null, null, null, null, null, null, null, 6],
[null, null, null, 5, null, 9, null, null, null],
[null, null, null, null, null, null, 4, 1, 8],
[null, null, null, null, 8, 1, null, null, null],
[null, null, 2, null, null, null, null, 5, null],
[null, 4, null, null, null, null, 3, null, null]
];
var s = new Sudoku( grid );
var d = s.debugDraw();
document.getElementById("output").innerHTML = d;
*/
function solveSudoku(){
var cells = document.getElementsByClassName("cell");
var grid = [
[],
[],
[],
[],
[],
[],
[],
[],
[]
];
var invalid = false;
for( var c =0; c < cells.length; c++){
if( cells[c].value == "" )
grid[((c-(c%9))/9)].push(null);
else if( !isNaN(cells[c].value))
grid[((c-(c%9))/9)].push(parseInt(cells[c].value));
else {
invalid = true;
break;
}
}
if( invalid ){
alert("Invalid input");
return null;
}
else{
s = new Sudoku( grid );
var values = s.getCellValues();
for(var c = 0; c < cells.length; c++){
cells[c].value = values[c];
}
}
}