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题目链接 Problem Description IP lookup is one of the key functions of routers for packets forwarding and classifying. Generally, IP lookup can be simplifi 阅读全文
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题目链接 Problem Description The French author Georges Perec (1936–1982) once wrote a book, La disparition, without the letter 'e'. He was a member of the 阅读全文
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题目链接 Problem Description Given two sequences of numbers : a[1], a[2], ...... , a[N], and b[1], b[2], ...... , b[M] (1 <= M <= 10000, 1 <= N <= 1000000 阅读全文
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题目链接 Description The Pizazz Pizzeria prides itself in delivering pizzas to its customers as fast as possible. Unfortunately, due to cutbacks, they can 阅读全文
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题目链接 Problem Description MG is an intelligent boy. One day he was challenged by the famous master called Douer: if the sum of the square of every elem 阅读全文
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题目链接 Problem Description MG is a rich boy. He has n apples, each has a value of V(0<=V<=9). A valid number does not contain a leading zero, and these 阅读全文