Codeforces Round 165 (Div. 2)

2 problems from Codeforces Round 165 (Div. 2) (contest 270), difficulty 1100-1400. 2/2 solutions verified against sample I/O.

2 items

Codeforces Round 165 (Div. 2)

Div. 2 | 2 problems | 2/2 verified | Difficulty 1100-1400 | 3m 31s

#	Problem	Rating	Tags	Accepted	Time	✓
A	Fancy Fence	1100	geometry, implementation, math	50,809	1m 12s	✓
B	Multithreading	1400	data-structures, greedy, implementation	4,446	2m 19s	✓

Practice › Codeforces Solutions › Codeforces Round 165 (Div. 2) ›

CF 270A - Fancy Fence

We are asked to determine whether a robot, which can only make fence corners at a fixed angle a, can construct a regular polygon. A regular polygon is defined as a closed shape with all sides and all angles equal.

Practice › Codeforces Solutions › Codeforces Round 165 (Div. 2) ›

CF 270B - Multithreading

The forum keeps a list of threads ordered by the time of their latest message. Whenever someone posts in a thread, that thread immediately moves to the front of the list. No other reordering happens. Initially the threads are ordered as 1, 2, 3, ..., n.