Codeforces 1088B - Ehab and subtraction题解链接https://lucien.ink题目链接https://codeforces.com/contest/1088/problem/B题目You're given an array $a$. You should repeat the following operation $k$ times: find ...
题目链接：http://exam.upc.edu.cn/problem.php?id=5083题目：题目描述You are working on the user interface for a simple text-based file explorer. One of your tasks is to build a navigation pane displaying the dir...
题目链接：http://exam.upc.edu.cn/problem.php?id=5206题目：题目描述From an evolutionary gene’s-eye perspective, the genes are immortal, and our role, the meaning of life, is to perpetuate the genes. In a few ce...