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做题心得

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全部文章 / 做题心得（共47篇）

HDU1385Minimum Transport Cost（Flody+bfs路径输出）

题目来源：http://acm.hdu.edu.cn/showproblem.php?pid=1385 Problem Description These are N cities in Spring country. Between each pair of cities there may ...

bfs+Floyd

2019-04-16

0 413

E - IGNB HDU - 1242（简单bfs）

题目来源： https://vjudge.net/contest/292780#problem/E http://acm.hdu.edu.cn/showproblem.php?pid=1242 Angel was caught by the MOLIGPY! He was put in pri...

2019-04-10

0 443

D - Silver Cow Party(dijstra+矩阵转置）

题目来源： https://vjudge.net/contest/290751#problem/D One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big ...

矩阵转置

2019-04-09

0 474

G - New Year Bonus Grant ZOJ - 2315（贪心）

题目来源： https://vjudge.net/contest/293466#problem/G http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2315 All programmers of Mocrosoft so...

2019-04-08

0 537

spfa模板加实例-刘汝佳紫书（主函数ac大法

原文链接：https://blog.csdn.net/qq_43568078/article/details/88924450#commentsedit请支持原创 Wormholes While exploring his many farms, Farmer John has discovere...

2019-04-05

0 418

F - Zebras CodeForces - 950C (vector建图

题目来源： https://vjudge.net/contest/292642#problem/F https://codeforces.com/problemset/problem/950/C Oleg writes down the history of the days he lived...

2019-04-05

0 408

哈尔滨工程大学ACM预热赛 E.Mother's Day

链接：https://ac.nowcoder.com/acm/contest/554/E 来源：牛客网题目描述 Mother's Day is a celebration honoring the mother of the family, as well as motherhood, m...

2019-04-03

0 515

#ifdef,#else,#endif,#if（算法竞赛快速注释，用于debug）

在算法比赛中时间特别重要，用此类方法简化代码和注释代码用来Debug#ifdef,#else,#endif,#if就是很好的操作预处理就是在进行编译的第一遍词法扫描和语法分析之前所作的工作。说白了，就是对源文件进行编译前，先对预处理部分进行处理，然后对处理后的代码进行编译。这样做的好处是，经过处...

2019-04-01

0 697

Codeforces Round #550 (Div. 3)B. Parity Alternated Deletions

<center> B. Parity Alternated Deletions </center> <center> time limit per test2 seconds </center> <center> memory l...

2019-04-01

0 473

Codeforces Round #550 (Div. 3)A. Diverse Strings

<center> A. Diverse Strings </center> <center> time limit per test1 second </center> <center> memory limit per test...

2019-04-01

0 561