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1.安装JDK2.安装eclipse,安卓官方现在不提供eclipse for android,只好自己配置了。首先安装一个eclipse,在Help——Install New SoftWare中安装ADT,地址为http://dl-ssl.google.com/android/eclipse可能需... 阅读全文
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http://codeforces.com/contest/446/problem/CIn mathematical terms, the sequenceFnof Fibonacci numbers is defined by the recurrence relationF1 = 1;F2 = ... 阅读全文
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Billy investigates the question of applying greedy algorithm to different spheres of life. At the moment he is studying the application of greedy algo... 阅读全文
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Problem Description在密室逃脱游戏中,大家被困在一个密室中,为了逃出密室,需要找到正确的数字密码,于是大家分头行动,分别找到了密码的子序列,而后大家将得到的线索集中整理分析,大家想知道密码最少是多少位。Input第一行输入一个整数T,表示数据组数。接下来T组数据,对于每组数据,第一... 阅读全文
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String of InfinityTime Limit:2 Seconds Memory Limit:65536 KBGiven a set of banned wordsS, please find out whether it is possible to construct a string... 阅读全文