Test for Job Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 11230 Accepted: 2651 Description Mr.Dog was fired by his company. In order to support his family, he must find a new job as soon as possible. Nowadays, It's hard to have a jo…
H.Skiing In this winter holiday, Bob has a plan for skiing at the mountain resort. This ski resort has MM different ski paths and NN different flags situated at those turning points. The ii-th path from the S_iSi-th flag to the T_iTi-th flag ha…
H.Skiing In this winter holiday, Bob has a plan for skiing at the mountain resort. This ski resort has MM different ski paths and NN different flags situated at those turning points. The ii-th path from the S_iSi-th flag to the T_iTi-th flag ha…
P3119 [USACO15JAN]草鉴定Grass Cownoisseur 题目描述 In an effort to better manage the grazing patterns of his cows, Farmer John has installed one-way cow paths all over his farm. The farm consists of N fields, conveniently numbered 1..N, with each one-way co…
春训团队赛第四场 ID A B C D E F G H I J K L M AC O O O O O O O O O 补题 ? ? O O 传送门 题目链接(CF Gym102021) 题解链接(pdf) 代码 & 简易题解 [A]:LCA 给定一个格状迷宫,保证任意点均可达,且任意两格点间有且仅有一条简单路径. 给定一组移动序列,求按照这个序列走的累计路程. 按照题意对图预处理,得到一棵树,对于每对询问求 \(\text{LCA}\) 的同时求距离,累加即为答案. 一开始 \(\text{RE…
题目描述 Ali has taken the Computer Organization and Architecture course this term. He learned that there may be dependence between instructions, like WAR (write after read), WAW, RAW. If the distance between two instructions is less than the Safe Distan…
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 12584 Accepted Submission(s): 6379 Problem Description 不死族的巫妖王发工资拉,死亡骑士拿到一张N元的钞票(记住,只有一张钞票),为了防止自己在战斗中频繁的死掉,他决定给自己买一些道具,于是他来到了地精商店前. 死亡骑士:"我要买道…
Scandinavians often make vacation during the Easter holidays in the largest ski resort Are. Are provides fantastic ski conditions, many ski lifts and slopes of various difficulty profiles. However, some lifts go faster than others, and some are so po…
Bob’s Race Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3034 Accepted Submission(s): 991 Problem Description Bob wants to hold a race to encourage people to do sports. He has got trouble…