Codeforces Beta Round 85 (Div. 2 Only)

2 problems from Codeforces Beta Round 85 (Div. 2 Only) (contest 112), difficulty 800-1200. 2/2 solutions verified against sample I/O.

2 items

Codeforces Beta Round 85 (Div. 2 Only)

Div. 2 | 2 problems | 2/2 verified | Difficulty 800-1200 | 3m 19s

#	Problem	Rating	Tags	Accepted	Time	✓
A	Petya and Strings	800	implementation, strings	287,080	1m 37s	✓
B	Petya and Square	1200	implementation, math	4,543	1m 42s	✓

Practice › Codeforces Solutions › Codeforces Beta Round 85 (Div. 2 Only) ›

CF 112A - Petya and Strings

We are given two strings made of English letters. Both strings have the same length, but letters may appear in either uppercase or lowercase form. The task is to compare the two strings lexicographically while completely ignoring letter case.

Practice › Codeforces Solutions › Codeforces Beta Round 85 (Div. 2 Only) ›

CF 112B - Petya and Square

We have a square board of size 2n × 2n, divided into unit cells. One cell is marked. We want to know whether it is possible to draw a cutting path along grid lines so that the board is split into two congruent parts after rotation, while the cutting path never touches the…