摘要： 1．链接地址 https://vjudge.net/problem/POJ-3224 2．问题描述 The Lab Cup Table Tennis Competition is going to take place soon among laboratories in PKU. Students 阅读全文

摘要： 1．链接地址 https://vjudge.net/problem/POJ-2551 2．问题描述 Given any integer 0 <= n <= 10000 not divisible by 2 or 5, some multiple of n is a number which in d 阅读全文

摘要： 1．链接地址 https://vjudge.net/problem/POJ-2370 2．问题描述 In one of the countries of Caribbean basin all decisions were accepted by the simple majority of vot 阅读全文

摘要： 1．链接地址 https://vjudge.net/problem/POJ-2309 2．问题描述 Consider an infinite full binary search tree (see the figure below), the numbers in the nodes are 1, 阅读全文

摘要： 1．链接地址 https://vjudge.net/problem/POJ-2301 2．问题描述 Superbowl Sunday is nearly here. In order to pass the time waiting for the half-time commercials and 阅读全文

摘要： 1．链接地址 https://vjudge.net/problem/POJ-2081 2．问题描述 The Recaman's sequence is defined by a0 = 0 ; for m > 0, a m = a m−1 − m if the rsulting a m is posi 阅读全文

摘要： 1．链接地址 https://vjudge.net/problem/POJ-1401 2．问题描述 For example, they defined the function Z. For any positive integer N, Z(N) is the number of zeros at 阅读全文

摘要： 1．链接地址 https://vjudge.net/problem/POJ-1953 2．问题描述 Given a positive integer n, determine the number of different chanting patterns of this length, i.e. 阅读全文

摘要： 1．链接地址 https://vjudge.net/problem/POJ-2017 2．问题描述 Bill and Ted are taking a road trip. But the odometer in their car is broken, so they don't know how 阅读全文

摘要： 1．链接地址 https://vjudge.net/problem/POJ-1316 2．问题描述 In 1949 the Indian mathematician D.R. Kaprekar discovered a class of numbers called self-numbers. Fo 阅读全文