Codeforces Round 268 (Div. 2)

2 problems from Codeforces Round 268 (Div. 2) (contest 469), difficulty 800-1300. 2/2 solutions verified against sample I/O.

2 items

Codeforces Round 268 (Div. 2)

Div. 2 | 2 problems | 2/2 verified | Difficulty 800-1300 | 2m 52s

#	Problem	Rating	Tags	Accepted	Time	✓
A	I Wanna Be the Guy	800	greedy, implementation	121,145	1m 38s	✓
B	Chat Online	1300	implementation	13,353	1m 14s	✓

Practice › Codeforces Solutions › Codeforces Round 268 (Div. 2) ›

CF 469A - I Wanna Be the Guy

We have a game with levels numbered from 1 to n. Little X can complete some subset of these levels, and Little Y can complete another subset. They decide to cooperate, which means a level is considered passable if at least one of them can complete it.

Practice › Codeforces Solutions › Codeforces Round 268 (Div. 2) ›

CF 469B - Chat Online

We are asked to count how many different moments in time Little X can wake up such that he overlaps with Little Z online. Little Z has a fixed schedule consisting of multiple segments.