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【HDOJ】1016 Prime Ring Problem

经典DP,写的可能麻烦了一些. #include <stdio.h> #define false 0 #define true 1 ]; ]; ]; void DFS(int, int, int); int main() { int i, j, k; int n; is_prime[] = false; is_prime[] = true; ; i<=; i++) { k = ; ; j*j<=i; j++) { ) { k = ; break; } } if (k) { is_p…

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

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[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）

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HDU 1016 Prime Ring Problem (回溯法)

Prime Ring Problem Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 34846    Accepted Submission(s): 15441 Problem Description A ring is compose of n circles as shown in diagram. Put natural numb…