hdu Prime Ring Problem

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简单的dfs,貌似这道题用暴力枚举就可以了,毕竟数据开的是比较小的. #include"iostream" #include"algorithm" #include"stdio.h" #include"string.h" #include"string" #include"vector" #include"cmath" #define mx 105 using nam…

HDU 1016 Prime Ring Problem（经典DFS+回溯）

Prime Ring Problem Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 42600 Accepted Submission(s): 18885 Problem Description A ring is compose of n circles as shown in diagram. Put natural num…

[HDU 1016]--Prime Ring Problem(回溯)

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1016 Prime Ring Problem Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Problem Description A ring is compose of n circles as shown in diagram. Put natural number 1, 2…

HDU 1016 Prime Ring Problem（素数环问题）

传送门: http://acm.hdu.edu.cn/showproblem.php?pid=1016 Prime Ring Problem Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 63806 Accepted Submission(s): 27457 Problem Description A ring is compos…

HDOJ(HDU).1016 Prime Ring Problem (DFS)

HDOJ(HDU).1016 Prime Ring Problem (DFS) [从零开始DFS(3)] 从零开始DFS HDOJ.1342 Lotto [从零开始DFS(0)] - DFS思想与框架/双重DFS HDOJ.1010 Tempter of the Bone [从零开始DFS(1)] -DFS四向搜索/奇偶剪枝 HDOJ(HDU).1015 Safecracker [从零开始DFS(2)] -DFS四向搜索变种 HDOJ(HDU).1016 Prime Ring Problem (…

Prime Ring Problem HDU - 1016 (dfs)

Prime Ring Problem HDU - 1016 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 a…