原创 HDU 3336 (KMP上的dp問題，ac自動機我來了)
Count the string Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(
2020-06-27 15:06:58
原创 Nim遊戲，異或解決問題，神證明
地址：http://baike.baidu.com/view/1101962.htm?fr=aladdin#4 Nim遊戲編輯 本詞條缺少信息欄、名片圖，補充相關內容使詞條更完整，還能快速升級，趕緊來編輯吧！ Nim遊戲
2020-06-27 15:06:58
1
原创 POJ 3461 Oulipo (KMP，求模版串在文本串中可覆蓋出現的次數，constructive)
Oulipo Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 24213 Accepted: 9711 Description The French
2020-06-27 15:06:58
原创 Codeforces 472D. Design Tutorial: Inverse the Problem(一種逆向判定樹成立的辦法，從Kruskal到dfs)
D. Design Tutorial: Inverse the Problem time limit per test 2 seconds memory limit per test 256 megabytes input
2020-06-27 15:06:58
2
原创 Codeforces 464B. Restore Cube (一種高效八點判斷立方體(cube)的辦法)
B. Restore Cube time limit per test 1 second memory limit per test 256 megabytes input standard input output
2020-06-27 15:06:58
1
原创 Topcoder SRM 144 Div1 550(數學和dp問題求方案數，很有意思)
Problem Statement In most states, gamblers can choose from a wide variety of different lottery games. The rules
2020-02-23 16:23:09
原创 CDOJ 843 冰雪奇緣 (線段樹＋懶操作＋離散化)
冰雪奇緣 Time Limit: 30000/10000MS (Java/Others) Memory Limit: 65535/65535KB (Java/Others) Submit Status 艾莎女王
2020-02-23 16:23:09
原创 Codeforces 472B. Design Tutorial: Learn from Life(坐電梯扯淡題)
B. Design Tutorial: Learn from Life time limit per test 1 second memory limit per test 256 megabytes input sta
2020-02-23 16:23:09
原创 Codeforces 263 C. Circle of Numbers D. Cycle in Graph (dfs一般難度)
C. Circle of Numbers time limit per test 2 seconds memory limit per test 256 megabytes input standard input o
2020-02-23 16:23:09
原创 Codeforces 464A. No to Palindromes! (dp,向前推理,向後查詢)
A. No to Palindromes! time limit per test 1 second memory limit per test 256 megabytes input standard input o
2020-02-23 16:23:09
原创 Codeforces 463D. Gargari and Permutations (dp,distinct下的LCS問題)
D. Gargari and Permutations time limit per test 2 seconds memory limit per test 256 megabytes input standard in
2020-02-23 16:23:09
原创 UVA11019 Matrix Matcher(一種計算子矩陣在母矩陣中出現次數的辦法，AC自動機+kmp)
Problem H Matrix Matcher Input: Standard Input Output: Standard Output Given an N * M matrix, your task is to find
2020-02-23 16:23:09
原创 Topcoder SRM 635 Div2 1000 (一種 O(n) 求一棵樹中最長連續邊 長度的方法)
Problem Statement There is a weighted tree with N vertices. The vertices are numbered 0 through N-1. You're g
2020-02-23 16:23:09
原创 CDOJ 251 導彈攔截 (LIS，一種找到字典序最小的最長上升子序列的方法)
導彈攔截 Time Limit: 3000/1000MS (Java/Others) Memory Limit: 65535/65535KB (Java/Others) Submit Status 某國爲了防
2020-02-23 16:23:09
原创 Topcoder SRM 146 Div2 1000(dfs搜索，經典過橋問題，很有意思)
Problem Statement A well-known riddle goes like this: Four people are crossing an old bridge. The bridge cannot
2020-02-23 16:23:09