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1.结构体排序 import java.util.*; public class Main { static class Node{ //内部静态类 String s; int x; } static class compareTo implements Comparator<Node>{ //升序 阅读全文
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John Little John is playing very funny game with his younger brother. There is one big box filled with M&Ms of different colors. At first John has to 阅读全文
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Piggy-Bank Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action comes f 阅读全文
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Common Subsequence A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = < x1, x2, 阅读全文
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B - Big Event in HDU Nowadays, we all know that Computer College is the biggest department in HDU. But, maybe you don't know that Computer College had 阅读全文