Can anyone please explain the solution for this problem? I have looked at multiple solutions and editorial but unable to understand from them. Thanks a lot. https://codeforces.net/problemset/problem/804/B
# | User | Rating |
---|---|---|
1 | tourist | 3985 |
2 | jiangly | 3885 |
3 | jqdai0815 | 3682 |
4 | Benq | 3580 |
5 | orzdevinwang | 3526 |
6 | ksun48 | 3506 |
7 | ecnerwala | 3505 |
8 | Radewoosh | 3457 |
9 | Kevin114514 | 3377 |
10 | gamegame | 3374 |
# | User | Contrib. |
---|---|---|
1 | cry | 170 |
2 | Um_nik | 162 |
3 | -is-this-fft- | 161 |
3 | atcoder_official | 161 |
5 | djm03178 | 157 |
6 | Dominater069 | 156 |
7 | maomao90 | 155 |
8 | adamant | 154 |
9 | luogu_official | 153 |
10 | awoo | 152 |
Help in a Combinatoric problem
Can anyone please explain the solution for this problem? I have looked at multiple solutions and editorial but unable to understand from them. Thanks a lot. https://codeforces.net/problemset/problem/804/B
Rev. | Lang. | By | When | Δ | Comment | |
---|---|---|---|---|---|---|
en1 | Virtual_Contestant | 2020-05-05 20:28:20 | 235 | Initial revision (published) |
Name |
---|