-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathA10.js
More file actions
75 lines (52 loc) · 1.61 KB
/
A10.js
File metadata and controls
75 lines (52 loc) · 1.61 KB
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
function solution(key, lock) {
var answer = true;
let n = lock.length;
let m = key.length;
let new_lock = Array.from(Array(n * 3), () => Array(n * 3).fill(0));
for (let i = 0; i < n; i++) {
for (let j = 0; j < n; j++) {
new_lock[i + n][j + n] = lock[i][j];
}
}
//console.log(new_lock)
for (let k = 0; k < 4; k++) {
key = rotate90degree(key);
for (let x = 0; x < n * 2; x++) {
for (let y = 0; y < n * 2; y++) {
for (let i = 0; i < m; i++) {
for (let j = 0; j < m; j++) {
new_lock[x + i][y + j] += key[i][j]
}
}
if (check(new_lock)) return true;
for (let i = 0; i < m; i++) {
for (let j = 0; j < m; j++) {
new_lock[x + i][y + j] -= key[i][j]
}
}
}
}
}
return false;
function rotate90degree(a) {
let n = a.length;
let m = a[0].length;
let result = Array.from(Array(n), () => Array(m).fill(0));
for (let i = 0; i < n; i++) {
for (let j = 0; j < m; j++) {
result[j][n - 1 - i] = a[i][j];
}
}
return result;
}
function check(new_lock) {
let len = new_lock.length / 3;
for (let i = len; i < 2 * len; i++) {
for (let j = len; j < 2 * len; j++) {
if (new_lock[i][j] !== 1) return false;
}
}
return true;
}
// return answer;
}