I am trying to solve this problem. The editorial for this problem uses the following approach
Can anyone explain me the Inclusion-Exclusion formula shown here?
# | User | Rating |
---|---|---|
1 | tourist | 4009 |
2 | jiangly | 3773 |
3 | Radewoosh | 3646 |
4 | ecnerwala | 3624 |
5 | jqdai0815 | 3620 |
5 | Benq | 3620 |
7 | orzdevinwang | 3612 |
8 | Geothermal | 3569 |
8 | cnnfls_csy | 3569 |
10 | Um_nik | 3396 |
# | User | Contrib. |
---|---|---|
1 | Um_nik | 163 |
2 | cry | 161 |
3 | maomao90 | 160 |
4 | -is-this-fft- | 159 |
5 | awoo | 158 |
6 | atcoder_official | 157 |
7 | adamant | 155 |
7 | nor | 155 |
9 | maroonrk | 152 |
10 | Dominater069 | 148 |
I am trying to solve this problem. The editorial for this problem uses the following approach
Can anyone explain me the Inclusion-Exclusion formula shown here?
Name |
---|
Let me suggest a good tutorial for this topic.
https://codeforces.net/blog/entry/64625
Once you understand the tutorial, the problem should become easier :)
lol, that is the exact same problem as https://dmoj.ca/problem/acc7p4. I copy pasted my code and passed.