原创 [codeforces1200E]Compress Words
time limit per test : 1 second memory limit per test : 256 megabytes 分數：2000，但是我覺得這個題挺神的。 Amugae has a sentence con
2019-09-15 17:36:40
3
原创 [codeforces938D]Buy a Ticket
time limit per test : 2 seconds memory limit per test : 256 megabytes Musicians of a popular band “Flayer” have ann
2019-09-15 17:36:40
原创 [codeforces1217D]Coloring Edges
time limit per test : 1 second memory limit per test : 256 megabytes 分數：2000 You are given a directed graph with nn
2019-09-08 17:31:20
原创 [codeforces1214D]Treasure Island
time limit per test : 1 second memory limit per test : 512 megabytes 分數：1800 但是感覺確實有難度（） All of us love treasures,
2019-09-08 17:31:20
原创 [gym102012K]Rikka with Ants
time limit per test : 4.0 s memory limit per test : 1024 MB Every time when Rikka faces to a great nature sight, sh
2019-09-06 17:21:54
原创 [HDU5573]Binary Tree
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) 分數：2500，構造還是比較難的 Problem Descripti
2019-09-04 17:37:41
原创 [codeforces28A]Bender Problem
time limit per test : 2 seconds memory limit per test : 256 megabytes Robot Bender decided to make Fray a birthday
2019-09-04 17:37:41
1
原创 [hdu5584]LCM Walk
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description A frog has jus
2019-09-04 17:37:41
原创 [codeforces1196F]K-th Path
time limit per test : 2.5 seconds memory limit per test : 256 megabytes You are given a connected undirected weight
2019-09-02 17:26:59
原创 [codeforces1208D]Restore Permutation
time limit per test : 2 seconds memory limit per test : 256 megabytes An array of integers p1,p2,…,pnp_1,p_2,…,p_np
2019-09-02 17:26:59
原创 [codeforces23C]Oranges and Apples
time limit per test : 1.5 seconds memory limit per test : 256 megabytes 分數：2500（補的有趣的老題） In 2N − 12N - 12N − 1 boxe
2019-09-02 17:26:59
原创 [gym102222K]Vertex Covers
time limit per test : 10.0 s memory limit per test : 256 MB In graph theory, a vertex cover of a graph GGG is a set
2019-09-02 17:26:59
原创 [codeforces1203F1]Complete the Projects (easy version)
time limit per test : 2 seconds memory limit per test : 256 megabytes 分數:2100 The only difference between easy and
2019-08-28 18:07:29
2
原创 [hdu6567]Cotree
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) 分數：2500 Problem Description Avin
2019-08-28 18:07:28
2
原创 [codeforces906E]Reverses
time limit per test : 2 seconds memory limit per test : 256 megabytes 分數：3200 Hurricane came to Berland and to subu
2019-08-28 18:07:28