cf/mirror

Graph And Numbers

CF
1221G2900· international gm3.5s512 MB⌨ stdin/stdout
#bitmasks#brute force#combinatorics#dp#meet-in-the-middle

Examples

Sample 1of 3
Input
6 5
1 2
2 3
3 4
4 5
5 1
Output
20
Sample 2of 3
Input
4 4
1 2
2 3
3 4
4 1
Output
4
Sample 3of 3
Input
35 29
1 2
2 3
3 1
4 1
4 2
3 4
7 8
8 9
9 10
10 7
11 12
12 13
13 14
14 15
15 16
16 17
17 18
18 19
19 20
20 21
21 22
22 23
23 24
24 25
25 26
26 27
27 28
28 29
29 30
Output
34201047040
1221G.cpp
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Ln 11·137 BGNU C++20 (64)