摘要： Time Limit: 1000 mSec Memory Limit : 32768 KB Time Limit: 1000 mSec Memory Limit : 32768 KB Problem Description 一棵二叉树可以按照如下规则表示成一个由0、1、2组成的字符序列，我们称之为“ 阅读全文

摘要： Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6012 Accepted: 3341 Description N children standing in circle who are numbered 1 through N  阅读全文

摘要： Description 给出正整数 n 和 m，统计满足以下条件的正整数对 (a,b) 的数量： 1. 1≤a≤n,1≤b≤m; 2. a×b 是 2016 的倍数。 给出正整数 n 和 m，统计满足以下条件的正整数对 (a,b) 的数量： 1. 1≤a≤n,1≤b≤m; 2. a×b 是 2016 阅读全文

摘要： Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 3119 Accepted: 1455 Description Centuries ago, King Arthur and the Knights of the Round Tab 阅读全文

摘要： ime Limit: 1000MS Memory Limit: 10000K Total Submissions: 45620 Accepted: 27612 Description 73 88 1 02 7 4 44 5 2 6 5(Figure 1) Figure 1 shows a numbe 阅读全文

摘要： Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 20802 Accepted: 9613 Description You want to arrange the window of your flower shop in a mo 阅读全文

摘要： Description Demy has n jewels. Each of her jewels has some value vi and weight wi. Since her husband John got broke after recent financial crises, Dem 阅读全文

摘要： Description Christine and Matt are playing an exciting game they just invented: the Number Game. The rules of this game are as follows. The players ta 阅读全文

摘要： Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 34364 Accepted: 19018 Description Stockbrokers are known to overreact to rumours. You have 阅读全文

摘要： Description Aoshu is very popular among primary school students. It is mathematics, but much harder than ordinary mathematics for primary school stude 阅读全文