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全部文章（共112篇）

FZU 2219 StarCraft （贪心，优先队列）

ZB loves playing StarCraft and he likes Zerg most! One day, when ZB was playing SC2, he came up with an idea: He wants to change the queen's ability...

2019-03-26

0 912

School Marks CodeForces - 540B （思维题）

Little Vova studies programming in an elite school. Vova and his classmates are supposed to write n progress tests, for each test they will get a m...

思维

2019-03-25

0 469

Safest Buildings ZOJ - 3993 （几何问题）

PUBG is a multiplayer online battle royale video game. In the game, up to one hundred players parachute onto an island and scavenge for weapons and eq...

数学

2019-03-25

0 549

Fountains CodeForces - 799C (二分)

Arkady plays Gardenscapes a lot. Arkady wants to build two new fountains. There are n available fountains, for each fountain its beauty and cost are k...

2019-03-23

0 493

Simple String Problem FZU - 2218 (状压DP)

Recently, you have found your interest in string theory. Here is an interesting question about strings. You are given a string S of length n consisti...

状压DP

2019-03-21

0 386

AreYouBusy HDU - 3535 (分组背包)

Happy New Term! As having become a junior, xiaoA recognizes that there is not much time for her to AC problems, because there are some other things f...

背包

2019-03-19

0 609

BrokenLED HDU - 2661 （思维+爆搜）

You know, there are more and more LED Displays used for show numbers in everywhere, a general product is like the left picture below, called as 7 segm...

2019-03-18

0 348

Online Courses In BSU CodeForces - 770C (拓扑)

Now you can take online courses in the Berland State University! Polycarp needs to pass k main online courses of his specialty to get a diploma. In...

2019-03-18

0 619

Blue Jeans POJ - 3080 （kmp）

The Genographic Project is a research partnership between IBM and The National Geographic Society that is analyzing DNA from hundreds of thousands of ...

kmp

2019-03-18

0 538

Draw Brackets! CodeForces - 770D (模拟)

A sequence of square brackets is regular if by inserting symbols "+" and "1" into it, you can get a regular mathematical expressio...

2019-03-18

0 496