不会吃鱼的喵

E. XOR and Favorite Numbertime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBob has a favorite number k and

题目链接：http://codeforces.com/contest/383/problem/CDescriptionIahub likes trees very much. Recently he discovered an interesting tree named propagating tree. The tree consists of n nodes nu

Ayrat has number n, represented as it's prime factorization pi of size m, i.e. n = p1·p2·...·pm. Ayrat got secret information that that the product of all divisors of n taken modulo 109 + 7 is t

链接：http://codeforces.com/problemset/problem/831/E思路：看成一个环，每次找到一个上次移除位置的前面一个最小值的位置，计算位置差，已经移除的空位用树状数组维护。//QAQ//#pragma comment(linker, "/stack:1024000000,1024000000") #include <bits/stdc++.h>...