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…
[1628] Alex’s Game(III) 时间限制: 1000 ms 内存限制: 65535 K 问题描述 Alex likes to play with one and zero as you know . But Alex does’t have a girlfriend now because his girlfriend is trapped in Alcatraz Island.So Alex wants to rescue her.Now Alex has some infor…
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…
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…
题目链接:http://poj.org/problem?id=2488 A Knight's Journey Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 36695 Accepted: 12462 Description Background The knight is getting bored of seeing the same black and white squares again and again…
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…
题意 把1到n这n个数以1为首位围成一圈 输出全部满足随意相邻两数之和均为素数的全部排列 直接枚举排列看是否符合肯定会超时的 n最大为16 利用回溯法 边生成边推断 就要快非常多了 #include<cstdio> using namespace std; const int N = 50; int p[N], vis[N], a[N], n; int isPrime(int k) { for(int i = 2; i * i <= k; ++i) if(k % i == 0)…
转载请注明出处:http://blog.csdn.net/u012860063 题目链接:http://acm.hdu.edu.cn/showproblem.php? pid=4499 Cannon Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 363 Accepted Submission(s): 214 Problem De…
Prime Ring Problem Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 55053 Accepted Submission(s): 24366 Problem Description A ring is compose of n circles as shown in diagram. Put natural numb…
Fire Net Time Limit: 2 Seconds Memory Limit: 65536 KB Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each representing a street or a piece of wall. A blockhouse is a small c…
