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CF444A DZY Loves Physics

题

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子图

原创 2023-04-25 06:07:19 101 阅读

CF1C Ancient Berland Circus 计算几何

题意翻译现在所有的马戏团在 Berland 都有一个直径13米的圆形竞技场, 但在过去的事情是不同的。在古代 Berland 竞技场的马戏团被塑造成一个规

#include

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ci

原创 2023-04-25 00:40:07 316 阅读

CF696A Lorenzo Von Matterhorn 二叉树

Barney lives in NYC. NYC has infinite number of intersections numbered with positive integers starting from 1. There exists a bidirectio...

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#define

ci

原创 2023-04-25 00:39:48 277 阅读

CF258B Little Elephant and Elections 数位dp

There have recently been elections in the zoo. Overall there

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i++

原创 2023-04-24 23:56:22 60 阅读

CF1034A Enlarge GCD

题意翻译给你n个数，去掉尽量少的数使得剩下数的gcd比原来的大。

#include

#define

Max

原创 2023-04-24 23:54:55 41 阅读

CF679A Bear and Prime 100 交互题

This is an interactive problem. In the output section below you

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#define

ios

原创 2023-04-24 23:54:29 67 阅读

Codeforces Round #288 (Div. 2) C

Anya loves to watch horror movies. In the best traditions of horror

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Time

原创 2023-04-24 23:54:15 78 阅读

CF1017C The Phone Number 贪心

Mrs. Smith is trying to contact her husband, John Smith,

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ios

原创 2023-04-24 23:53:37 59 阅读

CF1017D The Wu 暴力

题意翻译给长度=N的w数组w[1...N]，定义2个长度=N的01串s,t

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i++

原创 2023-04-24 23:53:17 79 阅读

CF1041E Tree Reconstruction 构造题

题意翻译题目大意：有一棵树，现在给你每条树边被去掉时，形成的两个联

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i++

原创 2023-04-24 23:52:43 51 阅读

CF696B Puzzles 树形dp+期望

D. Puzzlestime limit per test1 secondmemory limit per te

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#define

ci

原创 2023-04-24 23:52:35 353 阅读

CF445B DZY Loves Chemistry

题意翻译DZY热爱化学.他有n种物质,其中m对会反应.他把它们一种一

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原创 2023-04-24 23:51:55 64 阅读

Codeforces Round #514 (Div. 2) C. Sequence Transformation

Let’s call the following process a transformation of a seque

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i++

原创 2023-04-24 23:50:42 38 阅读

E. Game of Stones SG函数

Sam has been teaching Jon the Game of Stones to sharpen his

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ios

原创 2023-04-24 23:50:35 88 阅读

Divide by Zero 2017 and Codeforces Round #399 (Div. 1 + Div. 2, combined)

B. Code For 1time limit per test2 secondsmemory limit p

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ios

原创 2023-04-24 23:50:30 77 阅读

C. Tavas and Karafs 二分

Karafs is some kind of vegetable in shape of an 1 × h rectangle.

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ios

原创 2023-04-24 23:50:23 43 阅读

D. Jon and Orbs 概率dp

Jon Snow is on the lookout for some orbs required to defeat the

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ios

原创 2023-04-24 23:50:18 68 阅读

C. Make It Equal 差分

There is a toy building consisting of n towers. Each tower consis

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#define

ios

原创 2023-04-24 23:49:26 61 阅读

Tanya and Password CodeForces - 508D Hash + 欧拉路径

While dad was at work, a little girl Tanya decided to play with dad’s p

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i++

原创 2023-04-24 23:49:05 26 阅读

Codeforces Round #513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2) C

C. Maximum Subrectangletime limit per test2 secondsmemory

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i++

原创 2023-04-24 23:46:21 74 阅读

Codeforces Round #513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2) D

D. Social Circlestime limit per test2 secondsmemory limit per t

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#define

ci

原创 2023-04-24 23:46:13 94 阅读

CF1042D Petya and Array 树状数组

题目描述Petya has an arraya aa consisting ofn nn

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i++

原创 2023-04-24 23:45:05 92 阅读

B. Vasya and Isolated Vertices 模拟

Vasya has got an undirected graph consisting of n vertices

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ios

原创 2023-04-24 23:41:56 36 阅读

Codeforces Round #194 (Div. 2) B. Eight Point Sets 模拟

Gerald is very particular to eight point sets. He thinks that any de

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ios

原创 2023-04-24 23:39:07 68 阅读

Codeforces Round #162 (Div. 2) A~D 题解

A. Colorful Stones (Simplified Edition) time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output

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原创 2022-05-27 20:51:32 191 阅读

CF796B Find The Bone

Zane the wizard is going to perform a magic show shuffling the cups. There are n cups, numbered from 1 to n, placed along the x-axis on a table that h

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i++

原创 2022-05-27 20:39:22 55 阅读

CF708B Recover the String 构造

For each string s consisting of characters '0' and '1' one can define four integers a00, a01, a10 and a11, where axy is the number of subsequences of

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git

原创 2022-05-27 20:38:02 35 阅读

CF987B High School: Become Human 数学

题意翻译题目大意输入一个 xxx ,一个 yyy ，求是 xyx^yxy 大还是 yxy^xyx 大。 (1≤x,y≤109)(1≤x,y≤10^9)(1≤x,y≤109) 输入输出格式输入格式一行，两个整数 x,yx,yx,y 。输出格式若 xyx^yxy > yxy^xyx ,输出"

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android

原创 2022-05-27 19:58:30 69 阅读

CF1101A Minimum Integer 模拟

题意翻译题意简述给出qqq组询问，每组询问给出l,r,dl,r,dl,r,d，求一个最小的正整数xxx满足d∣x d | x\ d∣x 且x̸∈[l,r] x \not\in [l,r]x̸∈[l,r] 输入格式第一行一个正整数q(1≤q≤500)q(1 \leq q \leq 500)q(1

#include

#define

git

原创 2022-05-27 19:57:54 32 阅读

CF1101B Accordion 模拟

前后扫一遍；

#include

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i++

原创 2022-05-27 19:57:44 40 阅读

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CF444A DZY Loves Physics

CF1C Ancient Berland Circus 计算几何

CF696A Lorenzo Von Matterhorn 二叉树

CF258B Little Elephant and Elections 数位dp

CF1034A Enlarge GCD

CF679A Bear and Prime 100 交互题

Codeforces Round #288 (Div. 2) C

CF1017C The Phone Number 贪心

CF1017D The Wu 暴力

CF1041E Tree Reconstruction 构造题

CF696B Puzzles 树形dp+期望

CF445B DZY Loves Chemistry

Codeforces Round #514 (Div. 2) C. Sequence Transformation

E. Game of Stones SG函数

Divide by Zero 2017 and Codeforces Round #399 (Div. 1 + Div. 2, combined)

C. Tavas and Karafs 二分

D. Jon and Orbs 概率dp

C. Make It Equal 差分

Tanya and Password CodeForces - 508D Hash + 欧拉路径

Codeforces Round #513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2) C

Codeforces Round #513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2) D

CF1042D Petya and Array 树状数组

B. Vasya and Isolated Vertices 模拟

Codeforces Round #194 (Div. 2) B. Eight Point Sets 模拟

Codeforces Round #162 (Div. 2) A~D 题解

CF796B Find The Bone

CF708B Recover the String 构造

CF987B High School: Become Human 数学

CF1101A Minimum Integer 模拟

CF1101B Accordion 模拟

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