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Subtrees问题描述一棵有N个节点的完全二叉树，问有多少种子树所包含的节点数量不同。输入描述输入有多组数据，不超过1000组.每组数据输入一行包含一个整数N.(1\leq N\leq {10}^{18})(1≤N≤1018)输出描述对于每组数据输出一行，表示不同节点数的子树有多少种.输入样... 阅读全文
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D. Dreamoon and SetsDreamoon likes to play with sets, integers and.is defined as the largest positive integer that divides bothaandb.LetSbe a set of e... 阅读全文
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C. Dreamoon and SumsDreamoon loves summing up something for no reason. One day he obtains two integersaandboccasionally. He wants to calculate the sum... 阅读全文
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B. Dreamoon and WiFiDreamoon is standing at the position0on a number line. Drazil is sending a list of commands through Wi-Fi to Dreamoon's smartphone... 阅读全文
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A. Dreamoon and StairsDreamoon wants to climb up a stair ofnsteps. He can climb1or2steps at each move. Dreamoon wants the number of moves to be a mult... 阅读全文
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Game问题描述XY在玩一个游戏：有N根柱子排成一排，编号为1到N,每个柱子上面有一块宝石，现在XY站在第S根柱子上，出口在第T跟柱子上，XY需要拿到所有宝石后从出口离开。每次XY可以走到相邻的柱子上，也可以使用超能力跳到第一根柱子或者第N根柱子上，如果离开了柱子之后再也不能到达这里。为了节省能量，... 阅读全文
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D. Red-Green TowersThere arerred andggreen blocks for construction of thered-greentower.Red-greentower can be built following next rules:Red-green tow... 阅读全文
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C. Table DecorationsYou haverred,ggreen andbblue balloons. To decorate a single table for the banquet you need exactly three balloons. Three balloons ... 阅读全文
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B. Random Teamsnparticipants of the competition were split intomteams in some manner so that each team has at least one participant. After the competi... 阅读全文
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B. The Child and SetAt the children's day, the child came to Picks's house, and messed his house up. Picks was angry at him. A lot of important things... 阅读全文