Codeforces Round 556 (Div. 2)

Solutions for Codeforces Round 556 (Div. 2) (contest 1150). 2/2 problems verified against sample I/O. Difficulty range: 800-900.

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Codeforces Round 556 (Div. 2)

Type: Div. 2 | Problems: 2 | Verified: 2/2 | Rating range: 800-900 | Time: 2m 47s

Problem	Name	Rating	Tags	Solve Time	Verified
A	Stock Arbitraging	800	greedy, implementation	1m 14s	✓
B	Tiling Challenge	900	greedy, implementation	1m 33s	✓

Practice › Codeforces Solutions › Codeforces Round 556 (Div. 2) ›

CF 1150B - Tiling Challenge

We are given an $n times n$ square board, where some cells are occupied and others are free. The goal is to completely tile the free cells using identical pentomino pieces shaped like a cross: a center square with four adjacent squares, one in each cardinal direction.

Practice › Codeforces Solutions › Codeforces Round 556 (Div. 2) ›

CF 1150A - Stock Arbitraging

We are given a very simple two-phase trading scenario. In the morning, there are several sellers offering unlimited quantities of the same stock at different buy prices. You can pick any one of these prices and buy as many shares as you want at that price.