循环N次 算法分为两部分: 1)找到距离最小的城市,找不到距离更小的城市时退出方法 2)更新距离 实际操作时,先初始化: 更新dis为INF,更新dis[start] = 0: 变种: 找最短路径的条数:建立 int num[n] 数组,更新时覆盖num, 如果距离相同 num[v]=num[u]+num[v] 存在第二约束条件:更新时,同上 记录path: int pre[N] , 更新时 pre[v]=u , 打印路径 void print_path(int start){ if(path[…

1003: [ZJOI2006]物流运输trans Time Limit: 10 Sec  Memory Limit: 162 MBSubmit: 3896  Solved: 1608[Submit][Status][Discuss] Description 物 流公司要把一批货物从码头A运到码头B.由于货物量比较大,需要n天才能运完.货物运输过程中一般要转停好几个码头.物流公司通常会设计一条固定的运输路 线,以便对整个运输过程实施严格的管理和跟踪.由于各种因素的存在,有的时候某个码头会无法装卸…

1003. Emergency (25) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount…

1003. Emergency (25) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

Bestcoder#5 1003 Poor RukawTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 24    Accepted Submission(s): 11 Problem Description Last time, Hanamichi lost the basketball battle between him and Ru…

Codeforces Round #262 (Div. 2) 1003 C. Present time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Little beaver is a beginner programmer, so informatics is his favorite subject. Soon his info…

动态规划就是寻找最优解的过程 最重要的是找到关系式 hdu 1003 题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1003 题目大意:求最大字序列和,其实就是分成 以0结尾的序列 以1结尾的序列 以2结尾的序列 ... 以n结尾的序列 所以以n结尾的序列的最大值就是以n-1结尾的序列的最大值+n的值 或最大值是n的值 关系式: d[i]=max(d[i-1]+a[i],a[i]) d[i]为以i结尾的序列和的最大值,a[i]为第i个数的值 #in…

首先庆祝一下,今天连A了3题.感觉后面这题太简单了.. 由于英文不好 ,找了个翻译: 若将一叠卡片放在一张桌子的边缘,你能放多远?如果你有一张卡片,你最远能达到卡片长度的一半.(我们假定卡片都正放在桌子上.)如果你有两张卡片,你能使最上的一张卡片覆盖下面那张的1/2,底下的那张可以伸出桌面1/3的长度,即最远能达到 1/2 + 1/3 = 5/6 的卡片长度.一般地,如果你有n张卡片,你可以伸出 1/2 + 1/3 + 1/4 + ... + 1/(n + 1) 的卡片长度,也就是最上的一张卡片…

1000 A+B Problem 题目大意:输入两个数a和b,输出他们的和. 代码: #include <stdio.h> int main() { int a, b; while (scanf("%d%d" , &a, &b) != EOF) { printf("%d\n", a + b); } return 0; } 1004 Financial Management 题目大意:告诉你Larry的12个月的工资,求这12个月的工资的平…