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原创 hdu.Tick and Tick

Problem Description The three hands of the clock arerotating every second and meeting each other many times everyday. Finally, theyget bored of this and each of them would like to stay away from the

2018-01-31 18:59:35 312

原创 hdu.Number Sequence

Problem Description A number sequence is defined asfollows: f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7. Given A, B, and n, you are to calculate the value of f(n). Input Th

2018-01-31 17:02:19 221

原创 hdu.Let the Balloon Rise

Problem Description Contest time again! How excited it isto see balloons floating around. But to tell you a secret, the judges' favoritetime is guessing the most popular problem. When the contest is

2018-01-31 13:31:32 199

原创 hdu.Max Sum

Problem Description Given a sequencea[1],a[2],a[3]......a[n], your job is to calculate the max sum of asub-sequence. For example, given (6,-1,5,4,-7), the max sum in this sequence is6 + (-1) + 5 + 4

2018-01-31 13:03:09 214

原创 hdu.A + B Problem II

Problem Description I have a very simple problem for you.Given two integers A and B, your job is to calculate the Sum of A + B. Input The first line of the input contains aninteger T(1<=T<=20

2018-01-30 23:56:25 277

原创 hdu.Sum Problem

Problem Description Hey, welcome to HDOJ(Hangzhou DianziUniversity Online Judge). In this problem, your task is to calculate SUM(n) = 1 + 2 + 3 + ... + n. Input The input will consist of a se

2018-01-30 21:51:29 240

原创 HDU->A + B Problem

Problem Description Calculate A + B. Input Each line will contain two integers A and B. Process to end of file. Output For each case, output A + B in one line. S

2018-01-30 20:46:29 136

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