题意:插队问题: 2016.5.20,复习这道题. 总结:线段树基础不牢,建树,更新尚不熟悉,注意加强理解记忆. 主要理解:(单点更新,逆序插入) 发生插队时,前面的队伍是连续没有空位的,即pos:2,1,这种情况不会出现,至少应该为pos:1,2,1 插入顺序是逆序的(最后插入的val的位置不会再发生变化),如果正序插入则每个val的顺序是动态的. 插入pos,那么在pos这个位置之前应该还有pos-1个空位. 访问右节点的时候注意pos要修改,改为pos-sum[rt],即整个线段的第pos…

Buy Tickets Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 19012   Accepted: 9442 Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue… The Lunar New Year wa…

 FZU 2112 Tickets Time Limit:3000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Practice Description You have won a collection of tickets on luxury cruisers. Each ticket can be used only once, but can be used in either direction betwee…

H. Tickets Jesus, what a great movie! Thousands of people are rushing to the cinema. However, this is really a tuff time for Joe who sells the film tickets. He is wandering when could he go back home as early as possible.A good approach, reducing the…

题目链接: 传送门 Buy Tickets Time Limit: 4000MS     Memory Limit: 65536K Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue- The Lunar New Year was approaching, but unluckily t…

Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue… The Lunar New Year was approaching, but unluckily the Little Cat still had schedules going here and there. Now, he ha…

线段树 Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue- The Lunar New Year was approaching, but unluckily the Little Cat still had schedules going here and there. Now, h…

Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue… The Lunar New Year was approaching, but unluckily the Little Cat still had schedules going here and there. Now, he ha…

 Buy Tickets Time Limit:4000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit Status Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue… The Lunar New…

[poj2828]Buy Tickets Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue… The Lunar New Year was approaching, but unluckily the Little Cat still had schedules going here…