Codeforces Round 89 (Rated for Div. 2)-白红宇

Codeforces Round 89 (Rated for Div. 2)

阅读量：336 次

发布时间：2019-03-04

本文共 569 字，大约阅读时间需要 1 分钟。

A. Shovels and Swords

?????????x???????y???????????????????

0 ? 2x + y ? a

0 ? x + 2y ? b

?????(x + y)???????????????????????????????x?y????????????????????x?y?????x + y???

B. Shuffle

???????????????????????????????????????????

??????L????R???????????

??????????????L?R?

????????????R - L + 1?

C. Palindromic Paths

????(1,1)?(n,m)????????????????????????????????????????

D. Two Divisors

??????????1??????????????????1?????????????????????????????????????????????????????????

???

A. ???? (a + b - |a - b|) / 2

B. ????? R - L + 1

C. ???????????????????

D. ???????????????

转载地址：http://comh.baihongyu.com/

你可能感兴趣的文章

npm run build 失败Compiler server unexpectedly exited with code: null and signal: SIGBUS

查看>>

npm run build部署到云服务器中的Nginx（图文配置）

查看>>

npm WARN deprecated core-js@2.6.12 core-js@＜3.3 is no longer maintained and not recommended for usa

查看>>

npm切换到淘宝源

查看>>

npm前端包管理工具简介---npm工作笔记001

npm报错unable to access ‘https://github.com/sohee-lee7/Squire.git/‘

查看>>

npm的问题：config global `--global`, `--local` are deprecated. Use `--location=global` instead 的解决办法

查看>>

NPOI之Excel——合并单元格、设置样式、输入公式

查看>>

NPOI利用多任务模式分批写入多个Excel

NT AUTHORITY\NETWORK SERVICE 权限问题

查看>>

NT symbols are incorrect, please fix symbols

查看>>

ntko web firefox跨浏览器插件_深度比较：2019年6个最好的跨浏览器测试工具

查看>>