Codeforces - 随笔分类(第3页) - onlyblues

C. Messenger in MAC

摘要：C. Messenger in MAC In the new messenger for the students of the Master's Assistance Center, Keftemerum, an update is planned, in which developers wan 阅读全文

posted @ 2024-03-06 16:32 onlyblues 阅读(70) 评论(6) 推荐(1) 编辑

D. Pinball

摘要：D. Pinball There is a one-dimensional grid of length

n

$n$ . The

i

$i$ -th cell of the grid contains a character

s_{i}

$s_i$ , which is either '<' or '>'. When a p 阅读全文

posted @ 2024-03-01 16:20 onlyblues 阅读(12) 评论(0) 推荐(0) 编辑

C. Sasha and Array

摘要：C. Sasha and Array Sasha has an array of integers

a_{1}, a_{2}, \dots, a_{n}

$a_1, a_2, \ldots, a_n$ . You have to perform m queries. There might be queries of two types:

1

$1$

l

$l$ 阅读全文

posted @ 2024-02-27 21:10 onlyblues 阅读(12) 评论(0) 推荐(0) 编辑

G. Moving Platforms

摘要：G. Moving Platforms There is a game where you need to move through a labyrinth. The labyrinth consists of

n

$n$ platforms, connected by

m

$m$ passages. Ea 阅读全文

posted @ 2024-02-20 13:11 onlyblues 阅读(41) 评论(0) 推荐(0) 编辑

D. Sasha and a Walk in the City

摘要：D. Sasha and a Walk in the City Sasha wants to take a walk with his girlfriend in the city. The city consists of

n

$n$ intersections, numbered from

1

$1$ 阅读全文

posted @ 2024-02-16 18:28 onlyblues 阅读(158) 评论(1) 推荐(1) 编辑

G. One-Dimensional Puzzle

摘要：G. One-Dimensional Puzzle You have a one-dimensional puzzle, all the elements of which need to be put in one row, connecting with each other. All the 阅读全文

posted @ 2024-02-14 20:19 onlyblues 阅读(76) 评论(1) 推荐(1) 编辑

D. Lonely Mountain Dungeons

摘要：D. Lonely Mountain Dungeons Once, the people, elves, dwarves, and other inhabitants of Middle-earth gathered to reclaim the treasures stolen from them 阅读全文

posted @ 2024-02-13 20:33 onlyblues 阅读(43) 评论(0) 推荐(0) 编辑

E. Space Harbour

摘要：E. Space Harbour There are

n

$n$ points numbered

1

$1$ to

n

$n$ on a straight line. Initially, there are

m

$m$ harbours. The

i

$i$ -th harbour is at point

X_{i}

$X_i$ 阅读全文

posted @ 2024-02-13 12:59 onlyblues 阅读(19) 评论(0) 推荐(0) 编辑

E. Klever Permutation

摘要：E. Klever Permutation You are given two integers

n

$n$ and

k

$k$ (

k \leq n

$k \le n$ ), where

k

$k$ is even. A permutation of length

n

$n$ is an array consisting of

n

$n$ 阅读全文

posted @ 2024-02-10 12:07 onlyblues 阅读(59) 评论(0) 推荐(0) 编辑

G. Paint Charges

摘要：G. Paint Charges A horizontal grid strip of

n

$n$ cells is given. In the

i

$i$ -th cell, there is a paint charge of size

a_{i}

$a_i$ . This charge can be: either 阅读全文

posted @ 2024-02-09 19:14 onlyblues 阅读(84) 评论(0) 推荐(0) 编辑

C. Did We Get Everything Covered?

摘要：C. Did We Get Everything Covered? You are given two integers

n

$n$ and

k

$k$ along with a string

s

$s$ . Your task is to check whether all possible strings o 阅读全文

posted @ 2024-02-03 17:15 onlyblues 阅读(36) 评论(0) 推荐(0) 编辑

D. Good Trip

摘要：D. Good Trip There are

n

$n$ children in a class,

m

$m$ pairs among them are friends. The

i

$i$ -th pair who are friends have a friendship value of

f_{i}

$f_i$ . Th 阅读全文

posted @ 2024-02-03 14:22 onlyblues 阅读(18) 评论(0) 推荐(0) 编辑

D. Blocking Elements

摘要：D. Blocking Elements You are given an array of numbers

a_{1}, a_{2}, \dots, a_{n}

$a_1, a_2, \ldots, a_n$ . Your task is to block some elements of the array in order to minimize 阅读全文

posted @ 2024-01-31 19:15 onlyblues 阅读(29) 评论(0) 推荐(0) 编辑

G. Mischievous Shooter

摘要：G. Mischievous Shooter Once the mischievous and wayward shooter named Shel found himself on a rectangular field of size

n \times m

$n \times m$ , divided into uni 阅读全文

posted @ 2024-01-24 21:46 onlyblues 阅读(42) 评论(0) 推荐(0) 编辑

F1. Smooth Sailing (Easy Version)

摘要：F1. Smooth Sailing (Easy Version) The only difference between the two versions of this problem is the constraint on

q

$q$ . You can make hacks only if bo 阅读全文

posted @ 2024-01-23 18:53 onlyblues 阅读(9) 评论(0) 推荐(0) 编辑

D. Array Repetition

摘要：D. Array Repetition Jayden has an array

a

$a$ which is initially empty. There are

n

$n$ operations of two types he must perform in the given order. Jayden 阅读全文

posted @ 2024-01-19 21:17 onlyblues 阅读(12) 评论(0) 推荐(0) 编辑

F. Sum of Progression

摘要：F. Sum of Progression You are given an array

a

$a$ of

n

$n$ numbers. There are also

q

$q$ queries of the form

s, d, k

$s, d, k$ . For each query

q

$q$ , find the sum of 阅读全文

posted @ 2024-01-16 23:48 onlyblues 阅读(74) 评论(0) 推荐(0) 编辑

E. Happy Life in University

摘要：E. Happy Life in University Egor and his friend Arseniy are finishing school this year and will soon enter university. And since they are very respons 阅读全文

posted @ 2024-01-14 00:59 onlyblues 阅读(5) 评论(0) 推荐(0) 编辑

G. Bicycles

摘要：G. Bicycles All of Slavic's friends are planning to travel from the place where they live to a party using their bikes. And they all have a bike excep 阅读全文

posted @ 2023-12-29 16:07 onlyblues 阅读(128) 评论(0) 推荐(0) 编辑

E2. Game with Marbles (Hard Version)

摘要：E2. Game with Marbles (Hard Version) The easy and hard versions of this problem differ only in the constraints on the number of test cases and