-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathbetween-two-sets.html
More file actions
75 lines (67 loc) · 2.12 KB
/
Copy pathbetween-two-sets.html
File metadata and controls
75 lines (67 loc) · 2.12 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
<head><title>between two sets</title>
<link rel="stylesheet" href="/style.css">
</head>
<body>
<link rel="stylesheet" href="/third-party/highlight/solarized-dark.css">
<script src="/third-party/highlight/highlight.js"></script>
<script>hljs.initHighlightingOnLoad();</script>
<h2>Yanzhan's solution for "between two sets"</h2>
<ul>
<li>Hi, I'm Yanzhan. For more algothmic problems, visit my Youtube Channel <a href="https://www.youtube.com/channel/UCDkz-__gl3frqLexukpG0DA?view_as=subscriber" target=_blank>[Yanzhan Yang's Youtube Channel]</a> or my Twitter Account <a href="https://twitter.com/YangYanzhan" target=_blank>[Yanzhan Yang's Twitter]</a> or my GitHub HomePage <a href="https://github.com/yangyanzhan/code-camp" target=_blank>[Yanzhan Yang's GitHub Project]</a> .</li>
<li>It's fascinating to solve algothmic problems, follow Yanzhan to learn more!</li>
</ul>
<div>
</div>
<div>
</div>
<div>
</div>
<h3>
solution:
</h3>
<pre class="yanzhan-hidden"><code class="c++">long long gcd(long long a, long long b) {
auto n1 = min(a, b), n2 = max(a, b);
if (n2 % n1 == 0) {
return n1;
}
return gcd(n2 % n1, n1);
}
long long lcm(long long a, long long b) {
auto g = gcd(a, b);
return (a / g) * b;
}
int factors(int n) {
int res = 0;
for (int i = 1; i * i <= n; i++) {
if (n % i == 0) {
res += 2;
}
if (i * i == n) {
res--;
}
}
return res;
}
int getTotalX(vector<int> a, vector<int> b) {
int l = a[0], g = b[0];
for (int i = 1; i < b.size(); i++) {
g = gcd(g, b[i]);
}
for (int i = 1; i < a.size(); i++) {
l = lcm(l, a[i]);
if (g < l) {
return 0;
}
}
if (g % l != 0) {
return 0;
}
return factors(g / l);
}
</code></pre>
<ul class="yanzhan-hidden">
<li><a href="/index.html" target=_blank>[Go Back To HomePage]</a></li>
<li><a href="/hackerrank" target=_blank>[Go Back To Solution List Page]</a></li>
</ul>
<script src="/main.js"></script>
</body>