вопрос как проще сформровать массив k в 12 строке, последовательность строк не имеет значения, вариант формирования смотреть пост №10 (строки 12-15)
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
</style>
<script>
var chec = function() {
var k = [
/* строки */
[0, 1, 2, 3, 4, 5, 6, 7, 8],
[9, 10, 11, 12, 13, 14, 15, 16, 17],
[18, 19, 20, 21, 22, 23, 24, 25, 26],
[27, 28, 29, 30, 31, 32, 33, 34, 35],
[36, 37, 38, 39, 40, 41, 42, 43, 44],
[45, 46, 47, 48, 49, 50, 51, 52, 53],
[54, 55, 56, 57, 58, 59, 60, 61, 62],
[63, 64, 65, 66, 67, 68, 69, 70, 71],
[72, 73, 74, 75, 76, 77, 78, 79, 80],
/* блоки 3 х 3 */
[0, 1, 2, 9, 10, 11, 18, 19, 20],
[3, 4, 5, 12, 13, 14, 21, 22, 23],
[6, 7, 8, 15, 16, 17, 24, 25, 26],
[27, 28, 29, 36, 37, 38, 45, 46, 47],
[30, 31, 32, 39, 40, 41, 48, 49, 50],
[33, 34, 35, 42, 43, 44, 51, 52, 53],
[54, 55, 56, 63, 64, 65, 72, 73, 74],
[57, 58, 59, 66, 67, 68, 75, 76, 77],
[60, 61, 62, 69, 70, 71, 78, 79, 80],
/* столбцы */
[0, 9, 18, 27, 36, 45, 54, 63, 72],
[1, 10, 19, 28, 37, 46, 55, 64, 73],
[2, 11, 20, 29, 38, 47, 56, 65, 74],
[3, 12, 21, 30, 39, 48, 57, 66, 75],
[4, 13, 22, 31, 40, 49, 58, 67, 76],
[5, 14, 23, 32, 41, 50, 59, 68, 77],
[6, 15, 24, 33, 42, 51, 60, 69, 78],
[7, 16, 25, 34, 43, 52, 61, 70, 79],
[8, 17, 26, 35, 44, 53, 62, 71, 80]
];
return function(a) {
a = [].concat.apply([], a);
return k.every(function(b) {
var c = {};
return b.every(function(b) {
b = a[b];
c[b] = (c[b] || 0) + 1;
return 2 > c[b];
});
});
};
}();
var board = [ [ 1, 2, 3, 4, 5, 6, 7, 8, 9 ],
[ 2, 3, 4, 5, 6, 7, 8, 9, 1 ],
[ 3, 4, 5, 6, 7, 8, 9, 1, 2 ],
[ 4, 5, 6, 7, 8, 9, 1, 2, 3 ],
[ 5, 6, 7, 8, 9, 1, 2, 3, 4 ],
[ 6, 7, 8, 9, 1, 2, 3, 4, 5 ],
[ 7, 8, 9, 1, 2, 3, 4, 5, 6 ],
[ 8, 9, 1, 2, 3, 4, 5, 6, 7 ],
[ 9, 1, 2, 3, 4, 5, 6, 7, 8 ] ];
alert(chec(board)); //false
board = [
[8, 4, 5, 6, 1, 9, 3, 2, 7],
[1, 3, 2, 4, 5, 7, 6, 9, 8],
[7, 6, 9, 8, 3, 2, 5, 4, 1],
[5, 9, 6, 2, 8, 1, 7, 3, 4],
[4, 8, 3, 5, 7, 6, 2, 1, 9],
[2, 7, 1, 3, 9, 4, 8, 5, 6],
[3, 5, 7, 9, 4, 8, 1, 6, 2],
[6, 1, 4, 7, 2, 5, 9, 8, 3],
[9, 2, 8, 1, 6, 3, 4, 7, 5]
]
alert(chec(board));//true
</script>
</head>
<body>
<div id="slider"></div>
</body>
</html>
Т.ч. "как надо" я не знаю...
