Codeforces Beta Round #4 (Div. 2 Only) A. Watermelon

01-24

Looksery Cup 2015 A. Face Detection

01-23

Codeforces Round #272 (Div. 2) A. Dreamoon and Stairs

01-23

Codeforces Round #172 (Div. 2) A. Word Capitalization

01-23

Codeforces Round #368 (Div. 2) A. Brain's Photos

01-23

Codeforces Round #355 (Div. 2) A. Vanya and Fence

01-23

Codeforces Round #340 (Div. 2) A. Elephant

01-16

Codeforces Round #387 (Div. 2) A. Display Size

01-16

Codeforces Round #214 (Div. 2) A. Dima and Guards

01-16

Codeforces Round #273 (Div. 2) A. Initial Bet

01-16