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C F 水题

BFS标记路径(1) dfs(1) SDNUOJ(26) string(1) vector(1) 一点发现(3) 一点算法(3) 冒泡排序(1) 强制改变类型(1) 快速幂（取模）(1) 所谓函数(1) 数组a[-1](1) 未归档(62) 栈stack(1) 线性筛(1) 队列queue(1) 随笔(1)

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全部文章 / C F 水题（共20篇）

A. Bear and Reverse Radewoosh

Limak and Radewoosh are going to compete against each other in the upcoming algorithmic contest. They are equally skilled but they won’t solve problem...

2019-01-09

0 897

A. Team

One day three best friends Petya, Vasya and Tonya decided to form a team and take part in programming contests. Participants are usually offered sever...

2019-01-08

0 513

A. Tom Riddle's Diary

Harry Potter is on a mission to destroy You-Know-Who’s Horcruxes. The first Horcrux that he encountered in the Chamber of Secrets is Tom Riddle’s diar...

2019-01-07

0 1647

A. Fingerprints

You are locked in a room with a door that has a keypad with 10 keys corresponding to digits from 0 to 9. To escape from the room, you need to enter a ...

2019-01-07

0 505

A. Petya and Origami

Petya is having a party soon, and he has decided to invite his nn friends. He wants to make invitations in the form of origami. For each invitation, ...

2019-01-07

0 600

A. Make a triangle!

Masha has three sticks of length aa, bb and cc centimeters respectively. In one minute Masha can pick one arbitrary stick and increase its length by o...

2019-01-06

0 476

A. Game

Two players play a game. Initially there are nn integers a1,a2,…,ana1,a2,…,an written on the board. Each turn a player selects one number and erases ...

2019-01-06

0 555

B. Teams Forming

There are nn students in a university. The number of students is even. The ii-th student has programming skill equal to aiai. The coach wants to form...

2019-01-06

0 369

A. Vitaly and Night

One day Vitaly was going home late at night and wondering: how many people aren’t sleeping at that moment? To estimate, Vitaly decided to look which w...

2019-01-06

0 381

A. Infinity Gauntlet

You took a peek on Thanos wearing Infinity Gauntlet. In the Gauntlet there is a place for six Infinity Gems: the Power Gem of purple color, the Time ...

2019-01-05

0 482