原创 Keen On Everything But Triangle HDU6601 主席樹
Keen On Everything But Triangle Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) T
2019-08-10 03:41:23
1
原创 CodeForces 538F A Heap of Heaps 主席樹
Andrew skipped lessons on the subject 'Algorithms and Data Structures' for the entire term. When he came to the final t
2019-08-10 03:41:23
原创 Super Mario HDU - 4417 主席樹/線段樹離線處理
Mario is world-famous plumber. His “burly” figure and amazing jumping ability reminded in our memory. Now the poor prin
2019-08-10 03:41:23
1
原创 LCIS HDU - 3308 線段樹區間合併
Given n integers. You have two operations: U A B: replace the Ath number by B. (index counting from 0) Q A B: output
2019-08-10 03:41:23
原创 Hotel POJ - 3667 線段樹區間合併
The cows are journeying north to Thunder Bay in Canada to gain cultural enrichment and enjoy a vacation on the sunny sh
2019-08-10 03:41:23
原创 Sign on Fence CodeForces - 484E 可持久化線段樹區間合併+二分
Bizon the Champion has recently finished painting his wood fence. The fence consists of a sequence of n panels of 1 met
2019-08-06 02:41:19
原创 Physical Education Lessons CodeForces - 915E 線段樹+離散化
This year Alex has finished school, and now he is a first-year student of Berland State University. For him it was a to
2019-07-10 04:28:31
3
原创 牛客 A-Laptop 線段樹
題目描述 FST是一名可憐的小朋友，他很強，但是經常fst，所以rating一直低迷。 但是重點在於，他非常適合ACM！並在最近的區域賽中獲得了不錯的成績。 拿到獎金後FST決定買一臺新筆記本，但是FST發現，在價格能承受的範圍內，筆記本
2019-07-09 04:16:17
原创 Mayor's posters POJ - 2528 線段樹+離散化
The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing th
2019-07-09 04:16:17
1
原创 Infinite Inversions CodeForces - 540E 線段樹+離散化
There is an infinite sequence consisting of all positive integers in the increasing order: p = {1, 2, 3, ...}. We perfo
2019-07-09 04:16:17
2
原创 A - Ultra-QuickSort POJ - 2299 線段樹
Description In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of
2019-07-09 04:16:17
1
原创 博弈論與SG函數
引例：有n堆石子，每次可以從第1堆石子裏取1顆、2顆或3顆，可以從第2堆石子裏取奇數顆，可以從第3堆及以後石子裏取任意顆，問你必勝策略。這種變形的nim博弈感覺並不容易，如何去找必勝策略呢？往下看 什麼是公平組合遊戲？ 公平組合遊戲：Im
2019-05-09 12:35:19
原创 浙江省省賽部分題解
E - Sequence in the Pocket DreamGrid has just found an integer sequence in his right pocket. As DreamGrid is bored
2019-04-29 13:44:15
原创 Neko does Maths CodeForces - 1152C
Neko loves divisors. During the latest number theory lesson, he got an interesting exercise from his math teacher. Neko
2019-04-27 11:43:24
原创 最大流之Dinic
網絡流基本概念 什麼是網絡流 在一個有向圖上選擇一個源點，一個匯點，每一條邊上都有一個流量上限（稱爲容量），即經過這條邊的流量不能超過這個上界。同時，除源點和匯點外，所有點的入流和出流都相等，而源點只有流出的流，匯點只有匯入的流。這樣的圖
2019-04-25 11:27:30