题目链接: http://codeforces.com/problemset/problem/621/E E. Wet Shark and Blocks time limit per test2 secondsmemory limit per test256 megabytes 问题描述 There are b blocks of digits. Each one consisting of the same n digits, which are given to you in the inp…
Yet Another Number Sequence Description Everyone knows what the Fibonacci sequence is. This sequence can be defined by the recurrence relation: F1 = 1, F2 = 2, Fi = Fi - 1 + Fi - 2 (i > 2). We'll define a new number sequence Ai(k) by the formula: Ai(…
A Very Simple Problem Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1022 Accepted Submission(s): 500 Problem Description This is a very simple problem. Given three integers N, x, and M, you…
Problem Description In ACM_DIY, there is one master called “Lost”. As we know he is a “-2Dai”, which means he has a lot of money. Well, Lost use Ipad and IPhone to reward the ones who solve the following problem. In this problem, we define F( n ) a…
