ShadyPi的IT笔记

【代码】[NeetCode 150] Three Integer Sum。

Two pointers

2 Pointers

原题链接：http://codeforces.com/problemset/problem/1399/E2 Weights Division (hard version) Easy and hard versions are actually different problems, so we advise you to read both statements carefully. You are given a weighted rooted tree, vertex 1 is the root of

原题链接：http://codeforces.com/contest/1041/problem/C Coffee Break Recently Monocarp got a job. His working day lasts exactly mmm minutes. During work, Monocarp wants to drink coffee at certain moments: ...

原题链接：http://codeforces.com/contest/1041/problem/D Glider A plane is flying at a constant height of hhh meters above the ground surface. Let’s consider that it is flying from the point (−109,h)(−10^9,...