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
81
82
83
|
// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
function restart() {
for (var i = 0; i < initState.length; i++)
currentState[i] = initState[i].slice();
undoStack = [];
}
function isValidPosition() {
var x = _event.data.x;
var y = _event.data.y;
if (x < 0 || x >= initState.length)
return false;
if (y < 0 || y >= initState.length)
return false;
if (initState[x][y] !== 0)
return false;
return true;
}
function calculateCurrentState() {
if (isValidPosition() === false)
return;
var x = _event.data.x;
var y = _event.data.y;
var currentValue = currentState[x][y];
if (currentValue === initState.length)
currentValue = 0;
else
currentValue += 1;
currentState[x][y] = currentValue;
undoStack.push([x, y]);
}
function isOK(numbers) {
var temp = [];
for (var i = 0; i < numbers.length; i++) {
var currentValue = numbers[i];
if (currentValue === 0)
return false;
if (temp.indexOf(currentValue) >= 0)
return false;
temp.push(currentValue);
}
return true;
}
function isSolved() {
for (var i = 0; i < currentState.length; i++) {
if (!isOK(currentState[i]))
return false;
var column = [];
var square = [];
for (var j = 0; j < currentState[i].length; j++) {
column.push(currentState[j][i]);
square.push(currentState[Math.floor(i / 3) * 3 + Math.floor(j / 3)]
[i % 3 * 3 + j % 3]);
}
if (!isOK(column))
return false;
if (!isOK(square))
return false;
}
return true;
}
function undo() {
if (!undoStack.length)
return;
var lastMove = undoStack.pop();
var x = lastMove[0];
var y = lastMove[1];
var currentValue = currentState[x][y];
if (currentValue === 0)
currentValue = initState.length;
else
currentValue -= 1;
currentState[x][y] = currentValue;
}
|
