Codeforces 1088A - Ehab and another construction problem题解链接https://lucien.ink题目链接https://codeforces.com/contest/1088/problem/A题目Given an integer $x$, find 2 integers $a$ and $b$ such that:$1 \le a...
Codeforces 1088E - Ehab and a component choosing problem题解链接https://lucien.ink题目链接https://codeforces.com/contest/1088/problem/E题目You're given a tree consisting of $n$ nodes. Every node $u$ has a we...
Codeforces 1088D - Ehab and another another xor problem题解链接https://lucien.ink题目链接https://codeforces.com/contest/1088/problem/D题目This is an interactive problem!Ehab plays a game with Laggy. Ehab has...
Codeforces 1088C - Ehab and a 2-operation task题解链接https://lucien.ink题目链接https://codeforces.com/contest/1088/problem/C题目You're given an array $a$ of length $n$. You can perform the following operati...