A. Purification Time Limit: 20 Sec Memory Limit: 256 MB 題目連接 http://codeforces.com/contest/329/problem/A Description You are an adventurer currently journeying inside an evil temple. After defeating a couple of weak zombies, you arrived at a square ro
題目：?http://codeforces.com/contest/260/problem/A 思路：a%b==0 => a*10^n%b==0 這題一開始忽略了一句話??If there are multiple possible answers, print any of them. code1083，想了半天覺得答案不只一種啊 然后看到n的范圍就知道
題目鏈接： C. Nearest vectors time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given the set of vectors on the plane, each of them starting at the origin. Your task is to find a pa
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