原创 【圖論】割點、橋、雙連通
連通分量 個數可以通過一次BFS或者DFS得到 割點和橋 可以枚舉刪除每一個點或者每一條邊，判斷連通分量個數是否增加 更好的方法 該算法是R.Tarjan發明的。對圖深度優先搜索，定義DFS(u)爲u在搜索樹（以下簡稱爲樹）中被遍歷
2020-07-07 00:28:44
8
原创 POJ 2234 Matches Game
Matches Game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9012 Accepted: 5214 Description Here is
2020-02-24 13:57:44
原创 FZU 2140 Forever 0.5
Problem 2140 Forever 0.5 Problem Description Given an integer N, your task is to judge whether there exist N points i
2020-02-24 13:57:44
原创 POJ 1179 Polygon
Polygon Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 5178 Accepted: 2192 Description Polygon is a
2020-02-24 13:57:44
原创 HOJ 1014 Niven Numbers
Niven Numbers My Tags (Edit) Source : Unknown Time limit : 1 sec Memory limit : 32 M Submitted :
2020-02-24 13:57:44
原创 HOJ 題目分類
****************************************************************************** * 簡單題（包括枚舉，二分查找，（複雜）模擬，基礎數據結構（棧、隊列），雜題等
2020-02-24 13:57:44
1
原创 POJ 1780 Code
Code Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2259 Accepted: 820 Description KEY Inc., the le
2019-03-24 06:33:53
原创 Codeforces 589G Hiring (NEERC 2015 G題)
G. Hiring time limit per test 4 seconds memory limit per test 512 megabytes input standard input output s
2018-09-03 22:24:31
原创 HDU 1317 XYZZY
XYZZY Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3608
2018-09-03 22:24:31
原创 Codeforces 508D Tanya and Password
D. Tanya and Password time limit per test 2 seconds memory limit per test 256 megabytes input standard inp
2018-09-03 22:24:29
原创 Codeforces 589H Tourist Guide (NEERC 2015 H題)
H. Tourist Guide time limit per test 2 seconds memory limit per test 512 megabytes input standard input o
2018-09-03 22:24:29
原创 HDU 5187 zhx's conte
zhx's contest Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s
2018-09-03 22:24:29
原创 Codeforces 585D Lizard Era: Beginning
D. Lizard Era: Beginning time limit per test 2 seconds memory limit per test 256 megabytes input standard i
2018-09-03 22:24:29
5
原创 HDU 5492 Find a path
Find a path Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 9
2018-09-03 22:24:29