摘要：Description Misha trains several ACM teams at the university. He is an experienced coach, and he does not underestimate the meaning of friendly and co 阅读全文

摘要：Bees are one of the most industrious insects. Since they collect nectarand pollen from flowers, theyhave to rely on the trees in the forest. For simpl 阅读全文

摘要：Dr. Ellie Arroway has established contact with an extraterrestrial civilization. However, all efforts to decode their messages have failed so far be... 阅读全文

摘要：大白上的原题，我就练练手。。。#include using namespace std;typedef long long ll;const int N = 3e5 + 10;const int SIZE = 4096;ll block[N / SIZE + 1][SIZE + 1];ll A[N... 阅读全文

摘要：This problem is about a war game between two countries. To protect a base, your country built a defense system called “Tactical Multiple Defense Syste... 阅读全文