Problems Playground
Login
Min rating
Max rating
Tag
Reset
# Problem Tags Rating Solved
930-C Teodor is not a liar!
data structures dp
1900
930-B Game with String
implementation probabilities strings
1600
930-A Peculiar apple-tree
dfs and similar graphs trees
1500
929-D Пограничные врата
2400
929-C Красивая команда
*special combinatorics math
1700
929-B Места в самолёте
*special implementation
1300
929-A Прокат велосипедов
*special greedy implementation
1400
928-D Autocompletion
*special strings trees
1900
928-C Dependency management
*special graphs implementation
1900
928-B Chat
*special dp
1400
928-A Login Verification
*special strings
1200
927-A BuberPool Taxi Optimization
*special interactive
2900
926-J Segments
data structures
2100
926-I A Vital Problem
1700
926-H Endless Roses Most Beautiful
2200
926-G Large Bouquets
1500
926-F Mobile Communications
2000
926-E Merge Equal Elements
constructive algorithms data structures
1900
926-D Choose Place
1600
926-C Is This a Zebra?
implementation
1700
926-B Add Points
math number theory
1800
926-A 2-3-numbers
implementation math
1300
925-F Parametric Circulation
binary search flows
3100
925-E May Holidays
data structures trees
2900
925-D Aztec Catacombs
constructive algorithms
2600
925-C Big Secret
constructive algorithms math
2200
925-B Resource Distribution
binary search implementation sortings
1700
925-A Stairs and Elevators
binary search
1600
924-F Minimal Subset Difference
dp
3200
924-E Wardrobe
dp greedy
2700
924-D Contact ATC
2500
924-C Riverside Curio
data structures dp greedy
1700
924-B Three-level Laser
binary search greedy two pointers
1600
924-A Mystical Mosaic
greedy implementation
1300
923-F Public Service
constructive algorithms graphs trees
3200
923-E Perpetual Subtraction
fft math matrices
3100
923-D Picking Strings
constructive algorithms implementation strings
2500
923-C Perfect Security
data structures greedy strings +1
1800
923-B Producing Snow
binary search data structures
1600
923-A Primal Sport
math number theory
1700
922-F Divisibility
constructive algorithms dp greedy +1
2400
922-E Birds
dp
2200
922-D Robot Vacuum Cleaner
greedy sortings
1800
922-C Cave Painting
brute force number theory
1600
922-B Magic Forest
brute force
1300
922-A Cloning Toys
implementation
1300
921-14 Labyrinth-14
3200
921-13 Labyrinth-13
3200
921-12 Labyrinth-12
3200
921-11 Labyrinth-11
3200