题目描述: A ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of numbers in two adjacent circles should be a prime. Note: the number of first circle should always be 1. 输入: n (1 < n…
钱币兑换问题 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 4565 Accepted Submission(s): 2576 Problem Description 在一个国家仅有1分,2分,3分硬币,将钱N兑换成硬币有很多种兑法.请你编程序计算出共有多少种兑法. Input 每行只有一个正整数N,N小于32768. …