Description A ring is composed of n (even number) circles as shown in diagram. Put natural numbers 1,2,3,...,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 al…
Prime Ring Problem Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 20105 Accepted Submission(s): 9001 Problem Description A ring is compose of n circles as shown in diagram. Put natural numb…
Problem 1010 - 素数环问题 Time Limit: 1000MS Memory Limit: 65536KB Difficulty: Total Submit: 972 Accepted: 223 Special Judge: No Description 有一个由n个数字相连组成的圆环(n<20),组成圆环的数字分别为1,2,3...n-1,n.要求每两个相邻元素的和为素数.(注意:第一个元素始终为1). Input n (0<n<20) Output 要求输…
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…
Prime Ring Problem Time Limit : 4000/2000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 18 Accepted Submission(s) : 7 Problem Description A ring is compose of n circles as shown in diagram. Put natural number 1, 2,…
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…
Problem 1074: Hey Judge Time Limits: 1000 MS Memory Limits: 65536 KB 64-bit interger IO format: %lld Java class name: Main Description Judge Nicole collected 7 ideas for problems of different levels, she wants to create 5 problems for the n…
哈密顿绕行世界问题 Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3105 Accepted Submission(s): 1918 Problem Description 一个规则的实心十二面体,它的 20个顶点标出世界著名的20个城市,你从一个城市出发经过每个城市刚好一次后回到出发的城市. Input 前20行的第i行…
Prime Ring Problem Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 34609 Accepted Submission(s): 15327 Problem Description A ring is compose of n circles as shown in diagram. Put natural numb…
Description You are to write a program that tries to find an optimal coloring for a given graph. Colors are applied to the nodes of the graph and the only available colors are black and white. The coloring of the graph is called optimal if a maximum…
如图p1.jpg所示,3 x 3 的格子中填写了一些整数. 我们沿着图中的红色线剪开,得到两个部分,每个部分的数字和都是60. 本题的要求就是请你编程判定:对给定的m x n 的格子中的整数,是否可以分割为两个部分,使得这两个区域的数字和相等. 如果存在多种解答,请输出包含左上角格子的那个区域包含的格子的最小数目. 如果无法分割,则输出 0 程序输入输出格式要求: 程序先读入两个整数 m n 用空格分割 (m,n<10) 表示表格的宽度和高度 接下来是n行,每行m个正整数,用空格分开.每个整数不…
[题目链接]:click here~~ [题目大意] 一组题目的数目(n<=15),每一个题目有对应的难度,问你选择一定的题目(大于r个且小于l个)且选择后的题目里最小难度与最大难度差不小于x,求选择方案数. [解题思路]: DFS+回溯. 先发一发比較拙的代码: #include <bits/stdc++.h> using namespace std; const int N=1e5+10; int num[N],mum[N]; int n,m,q,t,l,r; int top,ans…
Prime Ring Problem Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 74594 Accepted Submission(s): 31690 Problem Description A ring is compose of n circles as shown in diagram. Put natural numb…
UVA - 524 Prime Ring Problem Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Description A ring is composed of n (even number) circles as shown in diagram. Put natural numbers into each circle separately, and the sum of number…