P2 : Heshen's Account Book Time Limit:1000ms Case Time Limit:1000ms Memory Limit:512MB Description Heshen was an official of the Qing dynasty. He made a fortune which could be comparable to a whole country's wealth by corruption. So he was known as t…
P1 : Jin Yong’s Wukong Ranking List Time Limit:1000ms Case Time Limit:1000ms Memory Limit:512MB Description Jin Yong was the most famous and popular Chinese wuxia (The one who fight bad people by his Wukong i.e. Wushu and Kongfu) novelist who lived i…
Description P. T. Tigris is a student currently studying graph theory. One day, when he was studying hard, GS appeared around the corner shyly and came up with a problem: Given a graph with n nodes and m undirected weighted edges, every node having o…
Description A new Semester is coming and students are troubling for selecting courses. Students select their course on the web course system. There are n courses, the ith course is available during the time interval (Ai,Bi). That means, if you wa…
Description Math Olympiad is called “Aoshu” in China. Aoshu is very popular in elementary schools. Nowadays, Aoshu is getting more and more difficult. Here is a classic Aoshu problem: ABBDE __ ABCCC = BDBDEIn the equation above, a letter stands for a…
#1586 : Minimum Time Limit:1000ms Case Time Limit:1000ms Memory Limit:256MB Description You are given a list of integers a0, a1, …, a2^k-1. You need to support two types of queries: 1. Output Minx,y∈[l,r] {ax∙ay}. 2. Let ax=y. Input The first line is…