Problems Playground
Login
Min rating
Max rating
Tag
Reset
# Problem Tags Rating Solved
1354-F Summoning Minions
constructive algorithms dp flows +3
2500
1354-E Graph Coloring
dfs and similar dp graphs
2100
1354-D Multiset
binary search data structures
1900
1354-C2 Not So Simple Polygon Embedding
binary search brute force geometry +1
2000
1354-C1 Simple Polygon Embedding
binary search geometry math +1
1400
1354-B Ternary String
binary search dp implementation +1
1200
1354-A Alarm Clock
math
900
1353-F Decreasing Heights
brute force dp
2200
1353-E K-periodic Garland
brute force dp greedy
1900
1353-D Constructing the Array
constructive algorithms data structures sortings
1600
1353-C Board Moves
math
1000
1353-B Two Arrays And Swaps
greedy sortings
800
1353-A Most Unstable Array
constructive algorithms greedy math
800
1352-G Special Permutation
constructive algorithms
1600
1352-F Binary String Reconstruction
constructive algorithms dfs and similar math
1500
1352-E Special Elements
brute force implementation two pointers
1500
1352-D Alice, Bob and Candies
implementation
1300
1352-C K-th Not Divisible by n
binary search math
1200
1352-B Same Parity Summands
constructive algorithms math
1200
1352-A Sum of Round Numbers
implementation math
800
1351-C Skier
data structures implementation
1400
1351-B Square?
brute force implementation math
900
1351-A A+B (Trial Problem)
implementation
800
1350-B Orac and Models
dp math number theory
1400
1350-A Orac and Factors
math
900
1349-F2 Slime and Sequences (Hard Version)
dp fft math
3500
1349-F1 Slime and Sequences (Easy Version)
dp fft math
3100
1349-E Slime and Hats
constructive algorithms dp greedy
3500
1349-D Slime and Biscuits
math probabilities
3200
1349-C Orac and Game of Life
dfs and similar graphs implementation +1
2000
1349-B Orac and Medians
constructive algorithms greedy math
2000
1349-A Orac and LCM
data structures math number theory
1600
1348-F Phoenix and Memory
data structures dfs and similar graphs +1
2600
1348-E Phoenix and Berries
brute force dp greedy +1
2400
1348-D Phoenix and Science
binary search constructive algorithms greedy +2
1900
1348-C Phoenix and Distribution
constructive algorithms greedy sortings +1
1600
1348-B Phoenix and Beauty
constructive algorithms data structures greedy +1
1400
1348-A Phoenix and Balance
greedy math
800
1346-I Pac-Man 2.0
*special dp
2900
1346-H Game with Segments
*special data structures games
2700
1346-G Two IP Cameras
*special math number theory
2300
1346-F Dune II: Battle For Arrakis
*special data structures greedy +1
2000
1346-E Magic Tricks
*special dp graphs
1700
1346-D Constructing the Dungeon
*special graphs greedy
1600
1346-C Spring Cleaning
*special greedy sortings
1600
1346-B Boot Camp
*special greedy
1400
1346-A Color Revolution
*special math
1000
1345-B Card Constructions
binary search brute force dp +1
1100
1345-A Puzzle Pieces
math
800
1344-F Piet's Palette
matrices
3200