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Count the Colors（线段树 + 延迟标记）
Count the ColorsTime Limit: 2 Seconds Memory Limit: 65536 KBPainting some colored segments on a line, some previously painted segments may be covered by some the subsequent ones.Your task ...原创 2013-09-10 17:57:23 · 125 阅读 · 0 评论 -
Singles' Day（素数判断 + 进制转化）
Singles' DayTime Limit: 2 Seconds Memory Limit: 65536 KBSingles' Day(or One's Day), an unofficial holiday in China, is a pop culture entertaining holiday on November 11 for young Chinese to...原创 2014-03-02 16:29:51 · 245 阅读 · 0 评论 -
Median（Multiset ）
MedianTime Limit: 5 Seconds Memory Limit: 65536 KBThe median of m numbers is after sorting them in order, the middle one number of them if m is even or the average number of the middle 2 nu...原创 2014-07-16 14:57:39 · 89 阅读 · 0 评论 -
Just Pour the Water（矩阵快速幂）
Just Pour the WaterTime Limit: 2 Seconds Memory Limit: 65536 KBShirly is a very clever girl. Now she has two containers (A and B), each with some water. Every minute, she pours half of the ...原创 2014-08-11 23:20:49 · 303 阅读 · 0 评论 -
LED Display（二分图 + 最小路径覆盖）
LED DisplayTime Limit: 2 Seconds Memory Limit: 65536 KBOne day in the laboratory, Fred found some LED displays. This seven-segment LED can display digit 0 to 9 properly. But Fred soon find ...原创 2014-08-17 12:45:49 · 715 阅读 · 1 评论 -
Untrusted Patrol（DFS）
Untrusted PatrolTime Limit: 3 Seconds Memory Limit: 65536 KBEdward is a rich man. He owns a large factory for health drink production. As a matter of course, there is a large warehouse in t...原创 2014-09-09 16:07:50 · 125 阅读 · 0 评论 -
Design the city（LCA + RMQ）
Design the cityTime Limit: 1 Second Memory Limit: 32768 KBCerror is the mayor of city HangZhou. As you may know, the traffic system of this city is so terrible, that there are traffic jams ...原创 2014-10-09 13:15:48 · 190 阅读 · 0 评论 -
Domination（概率DP）
DominationTime Limit: 8 Seconds Memory Limit: 131072 KB Special JudgeEdward is the headmaster of Marjar University. He is enthusiastic about chess and often plays chess with his frien...原创 2014-10-21 20:18:40 · 181 阅读 · 0 评论 -
Known Notation（分析模拟）
Known NotationTime Limit: 2 Seconds Memory Limit: 65536 KBDo you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also known...原创 2014-10-28 17:46:14 · 180 阅读 · 0 评论