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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...

2020-05-28

0 508

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...

2020-05-28

0 441

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...

2020-05-28

0 441

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 ...

2020-05-28

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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...

2020-05-28

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A. Sweet Problem

链接：https://codeforces.com/contest/1263/problem/A You have three piles of candies: red, green and blue candies: the first pile contains only red ca...

2020-05-28

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B. Sheldon and Ice Pieces

链接：https://codeforces.com/problemset/problem/328/B Do you remember how Kai constructed the word "eternity" using pieces of ice as component...

2020-05-28

0 0

C. Round Corridor

链接：https://codeforces.com/problemset/problem/1200/C Amugae is in a very large round corridor. The corridor consists of two areas. The inner area is e...

2020-05-28

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D2. Equalizing by Division (hard version)

链接：https://codeforces.com/contest/1213/problem/D2 The only difference between easy and hard versions is the number of elements in the array. You are...

2020-05-28

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D2. RGB Substring (hard version)

链接：https://codeforces.com/contest/1196/problem/D2 The only difference between easy and hard versions is the size of the input. You are given a strin...

2020-05-28

0 405