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全部文章（共613篇）

H. Happy Birthday

链接：https://codeforces.com/problemset/problem/1250/H You have a set of birthday cake candles. Each of such candles represents a digit between 00 and 9...

2020-09-15

0 414

A. Tile Painting

链接：https://codeforces.com/contest/1242/problem/A Ujan has been lazy lately, but now has decided to bring his yard to good shape. First, he decided to...

2020-09-15

0 590

C. Infinite Fence

链接：https://codeforces.com/contest/1260/problem/C You are a rebel leader and you are planning to start a revolution in your country. But the evil Gove...

2020-09-15

0 433

C. Sweets Eating

链接：https://codeforces.com/contest/1253/problem/C Tsumugi brought nn delicious sweets to the Light Music Club. They are numbered from 11 to nn, where ...

2020-09-15

0 681

2019年ICPC区域赛沈阳站总结

首先先写一下现场赛的整个过程。一开始，cbj马上读到了签到题I题，并向我阐述了题意，但可能是打的太快，数组少开了10倍，2A。在我A 之前，sq和cbj看榜并读了D题，sq有了思路，于是马上换他打D题，cbj将A题的题意翻译给我。sq打到一半发现我们不知道自然常数e的小数点8位（可能是...

2020-09-15

0 726

E. Boxers

链接：https://codeforces.com/problemset/problem/1203/E There are nn boxers, the weight of the ii-th boxer is aiai. Each of them can change the weight by...

2020-09-15

0 434

D. Stas and the Queue at the Buffet

链接：https://codeforces.com/problemset/problem/1151/D During a break in the buffet of the scientific lyceum of the Kingdom of Kremland, there was forme...

2020-09-15

0 602

D. Secret Passwords

链接：https://codeforces.com/contest/1263/problem/D One unknown hacker wants to get the admin's password of AtForces testing system, to get problems fro...

2020-09-15

0 431

C. Everyone is a Winner!

链接：https://codeforces.com/contest/1263/problem/C On the well-known testing system MathForces, a draw of nn rating units is arranged. The rating will ...

2020-09-15

0 546

B. PIN Codes

链接：https://codeforces.com/contest/1263/problem/B A PIN code is a string that consists of exactly 44 digits. Examples of possible PIN codes: 7013, 000...

2020-09-15

0 512