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摘要： After the fourth season Sherlock and Moriary have realized the whole foolishness of the battle between them and decided to continue their competitions 阅读全文

摘要： Bomboslav likes to look out of the window in his room and watch lads outside playing famous shell game. The game is played by two persons: operator an 阅读全文

摘要： 有趣的分块理论讲解 数列分块入门 1 LibreOJ - 6277 给出一个长为 nn 的数列，以及 nn 个操作，操作涉及区间加法，单点查值。 Input 第一行输入一个数字 nn。 第二行输入 nn 个数字，第 ii 个数字为 aiai，以空格隔开。 接下来输入 nn 行询问，每行输入四个数字  阅读全文

摘要： Anton and School - 2 As you probably know, Anton goes to school. One of the school subjects that Anton studies is Bracketology. On the Bracketology le 阅读全文

摘要： C. Vasya and String High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya 阅读全文

摘要： Wash Gym - 101206B 1 #include <iostream> 2 #include <algorithm> 3 #include <cstring> 4 #include <string> 5 #include <vector> 6 #include <map> 7 #inclu 阅读全文

摘要： Hotel POJ - 3667 The cows are journeying north to Thunder Bay in Canada to gain cultural enrichment and enjoy a vacation on the sunny shores of Lake S 阅读全文

摘要： Tunnel Warfare HDU - 1540 During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plai 阅读全文

摘要： Can you answer these queries? HDU - 4027 A lot of battleships of evil are arranged in a line before the battle. Our commander decides to use our secre 阅读全文

摘要： Balanced Lineup POJ - 3264 For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decides 阅读全文