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Edward has an array A with N integers. He defines the beauty of an array as the summation of all distinct integers in the array. Now Edward wants to k 阅读全文
posted @ 2018-11-29 21:04
甘雨说晚安吗
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In computer security, Capture the Flag (CTF) is a computer security competition. CTF contests are usually designed to serve as an educational exercise 阅读全文
posted @ 2018-11-29 20:16
甘雨说晚安吗
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Vova has won nn trophies in different competitions. Each trophy is either golden or silver. The trophies are arranged in a row. The beauty of the arra 阅读全文
posted @ 2018-11-29 19:49
甘雨说晚安吗
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