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题意：给一连串数字，如果有前缀重复给出NO，否则给出YES思路：这道题要delete否则爆内存，之前想的直接在insert（）里解决查询有错误，所以先保存数据再查询。代码：#include#include#include#include#include#include... 阅读全文
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思路：模板题，贴个模板代码：#include#include#include#include#include#include#include #include#include#include#include#include#include#define ll long... 阅读全文
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Language:DefaultStarsTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 52268Accepted: 22486DescriptionAstronomers often examine... 阅读全文
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DescriptionConsider the following 5 picture frames placed on an 9 x 8 array. ........ ........ ........ ........ .CCC....EEEEEE.. ....... 阅读全文
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DescriptionWindy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that:No ... 阅读全文
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DescriptionOrder is an important concept in mathematics and in computer science. For example, Zorn's Lemma states: ``a partially order... 阅读全文
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DescriptionFarmer John's cows have discovered that the clover growing along the ridge of the hill (which we can think of as a one-dime... 阅读全文
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Problem DescriptionMery has a beautiful necklace. The necklace is made up of N magic balls. Each ball has a beautiful value. The balls... 阅读全文
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Problem Description自从Lele开发了Rating系统，他的Tetris事业更是如虎添翼，不久他遍把这个游戏推向了全球。为了更好的符合那些爱好者的喜好，Lele又想了一个新点子：他将制作一个全球Tetris高手排行榜，定时更新，名堂要比福布斯富豪榜还... 阅读全文
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Problem Description有N个比赛队（1#include#include#include#include#include#include#include #include#include#include#include#include#define ll... 阅读全文