Problem Archive

2026-08-23

Permutation Minimization by Deque

Intermediate1400

Vampiric Powers, anyone?

Simons and Beating Peaks

Baby Ehab's Hyper Apartment

2026-08-22

Towers

Intermediate1200

Rudolf and the Another Competition

Director

Ode to the Bridge Builder

2026-08-21

Game with Colored Marbles

Intermediate1500

Vasya and Petya's Game

Binary Numbers AND Sum

Fetch the Treasure

2026-08-19

Running Student

Intermediate1300

Difference Row

Statistics of Recompressing Videos

Roma and Poker

2026-08-18

Creep

Intermediate1300

Cookies

Obsessive String

Imagination Castle

2026-08-17

High School: Become Human

Intermediate1300

Olympic Medal

Brevity is Soul of Wit

Alice and the Unfair Game

2026-08-16

Quick Sort

Intermediate1200

Vitamins

Bomb

Game of AI (easy version)

2026-08-15

Between the Offices

Intermediate1300

Brand New Tatar TV Show

Leaving Auction

Cubes

2026-08-14

Removing Smallest Multiples

Intermediate1500

Bear and Friendship Condition

Preparing for the Contest

Furukawa Nagisa's Tree

2026-08-13

Coloring Rectangles

Intermediate1400

Limit

Polycarp and Snakes

2..3...4.... Wonderful! Wonderful!

2026-08-12

Friends and Candies

Intermediate1200

NN and the Optical Illusion

DFS Checker (Easy Version)

Empire Strikes Back

2026-08-11

Maximum Increase

Intermediate1600

Little Pony and Expected Maximum

Sereja and Contest

Make it Zero

2026-08-10

BAN BAN

Intermediate1500

Cirno and Number (Easy Version)

Maximum Subsequence Value

A Serious Referee

2026-08-09

Most Similar Words

Intermediate1600

Counting Rectangles

Competitive Fishing

Lihmuf Balling

2026-08-08

And

Intermediate1300

Divide and Equalize

Make Them Equal

Chips Puzzle