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There are several ancient Greek texts that contain descriptions of the fabled island Atlantis. Some of these texts even include maps of parts of the i 阅读全文
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Due to recent rains, water has pooled in various places in Farmer John's field, which is represented by a rectangle of N x M (1 <= N <= 100; 1 <= M <= 阅读全文
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There is a company that has N employees(numbered from 1 to N),every employee in the company has a immediate boss (except for the leader of whole compa 阅读全文
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B. Balanced Substring time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given a str 阅读全文
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A lot of battleships of evil are arranged in a line before the battle. Our commander decides to use our secret weapon to eliminate the battleships. Ea 阅读全文
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A. String Game time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output Little Nastya has a hobby 阅读全文
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博客 :http://www.cnblogs.com/wuyiqi/archive/2012/03/19/2405885.html The citizens of Bytetown, AB, could not stand that the candidates in the mayoral ele 阅读全文