Codeforces Round #735 (Div. 2)

This div2 mainly focuses on the derivation of the formula and the optimization of time complexity. This requires us to be sensitive to some digital patterns in life. The topic gives us a lot of hints, such as the amount of data in 1e5. If we adopt the method of pairing one by one, the time complexity will timeout. Considering the nesting of va ...

Posted by telsiin on Mon, 03 Jan 2022 03:37:24 +0100