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Query
Hi,
Background: I am good at Maths but I am weak at Combinatorics, Probability.
Problem: C of Educational Codeforces Round 50
I am unable to understand the combinatorics solution of Editorial. Can somebody help me to understand the solution given in the editorial.
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en1 |
|
AcharyaPingala | 2021-07-13 17:12:18 | 371 | Initial revision (published) |
