原创 G - Vitya and Strange Lesson（數組-字典樹）
G - Vitya and Strange Lesson CodeForces - 842D Today at the lesson Vitya learned a very interesting function — mex. M
2018-10-27 11:40:25
原创 Euclid's Game
B - Euclid's Game Two players, Stan and Ollie, play, starting with two natural numbers. Stan, the first player, subtrac
2018-09-15 01:32:15
原创 C UVA 12293 Box Game
There are two identical boxes. One of them contains n balls, while the other box contains one ball. Alice and Bob inv
2018-08-22 00:45:48
1
原创 B-Dining（EK算法）
B - Dining Cows are such finicky eaters. Each cow has a preference for certain foods and drinks, and she will consume
2018-08-22 00:45:46
原创 Glad You Came （線段樹）
Glad You Came Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Total Submission(s
2018-08-22 00:45:46
1
原创 Minimum Cost ——多源點最小費用最大流
E - Minimum Cost Dearboy, a goods victualer, now comes to a big problem, and he needs your help. In his sale area the
2018-08-22 00:45:46
原创 G - Oil Skimming ——二分圖匹配（匈牙利算法）
G - Oil Skimming Thanks to a certain "green" resources company, there is a new profitable industry of oil skimming. The
2018-08-22 00:45:46
1
原创 I - Strategic Game （二分圖最大匹配的性質）
I - Strategic Game Bob enjoys playing computer games, especially strategic games, but sometimes he cannot find the solu
2018-08-22 00:45:46
原创 F - Power Network （Dinic 鄰接表+queue）
F - Power Network A power network consists of nodes (power stations, consumers and dispatchers) connected by power tran
2018-08-22 00:45:46
原创 H - Antenna Placement （最小路徑覆蓋）
H - Antenna Placement The Global Aerial Research Centre has been allotted the task of building the fifth generation o
2018-08-22 00:45:46
原创 K - Treasure Exploration （最大路徑覆蓋）
K - Treasure Exploration Have you ever read any book about treasure exploration? Have you ever see any film about treas
2018-08-22 00:45:45
1
原创 F - Rain on your Parade （HK）
F - Rain on your Parade You’re giving a party in the garden of your villa by the sea. The party is a huge success, and
2018-08-22 00:45:45
2
原创 B - 物流運輸
B - 物流運輸 物流公司要把一批貨物從碼頭A運到碼頭B。由於貨物量比較大，需要n天才能運完。貨物運輸過程中一般要轉 停好幾個碼頭。物流公司通常會設計一條固定的運輸路線，以便對整個運輸過程實施嚴格的管理和跟蹤。由於各種 因素的存在，有的
2018-08-22 00:45:34
原创 A - Fire Net (二分圖匹配)
A - Fire Net Suppose that we have a square city with straight streets. A map of a city is a square board with n rows an
2018-08-22 00:45:33
1
原创 D - 棋盤遊戲 （二分匹配）
D - 棋盤遊戲 小希和Gardon在玩一個遊戲：對一個N*M的棋盤，在格子裏放盡量多的一些國際象棋裏面的“車”，並且使得他們不能互相攻擊，這當然很簡單，但是Gardon限制了只有某些格子纔可以放，小希還是很輕鬆的解決了這個問題（見下圖）
2018-08-22 00:45:33