Problems Playground
Login
Min rating
Max rating
Tag
Reset
# Problem Tags Rating Solved
2038-B Make It Equal
binary search brute force greedy +1
2100
2038-A Bonus Project
games greedy
1400
2037-G Natlan Exploring
bitmasks combinatorics data structures +3
2000
2037-F Ardent Flames
binary search data structures math +2
2100
2037-E Kachina's Favorite Binary String
dp greedy interactive +1
1600
2037-D Sharky Surfing
data structures greedy two pointers
1300
2037-C Superultra's Favorite Permutation
constructive algorithms greedy math +1
1000
2037-B Intercepted Inputs
brute force implementation
800
2037-A Twice
implementation
800
2036-G Library of Magic
binary search constructive algorithms divide and conquer +3
2200
2036-F XORificator 3000
bitmasks dp number theory +1
1900
2036-E Reverse the Rivers
binary search constructive algorithms data structures +1
1600
2036-D I Love 1543
brute force implementation matrices
1300
2036-C Anya and 1100
brute force implementation
1100
2036-B Startup
greedy sortings
800
2036-A Quintomania
implementation
800
2035-H Peak Productivity Forces
constructive algorithms
3500
2035-G2 Go Learn! (Hard Version)
divide and conquer dp
3500
2035-G1 Go Learn! (Easy Version)
dp trees
3300
2035-F Tree Operations
binary search brute force dfs and similar +2
2500
2035-E Monster
binary search brute force constructive algorithms +4
2300
2035-D Yet Another Real Number Problem
binary search data structures divide and conquer +3
1800
2035-C Alya and Permutation
bitmasks constructive algorithms math
1400
2035-B Everyone Loves Tres
constructive algorithms greedy math +1
900
2035-A Sliding
implementation math
800
2034-H Rayan vs. Rayaneh
brute force dfs and similar dp +1
3300
2034-G2 Simurgh's Watch (Hard Version)
greedy implementation
3500
2034-G1 Simurgh's Watch (Easy Version)
constructive algorithms greedy implementation +1
3500
2034-F2 Khayyam's Royal Decree (Hard Version)
combinatorics dp math +1
2800
2034-F1 Khayyam's Royal Decree (Easy Version)
combinatorics dp math +1
2500
2034-E Permutations Harmony
combinatorics constructive algorithms greedy +2
2200
2034-D Darius' Wisdom
constructive algorithms greedy implementation +1
1600
2034-C Trapped in the Witch's Labyrinth
constructive algorithms dfs and similar graphs +1
1400
2034-B Rakhsh's Revival
data structures greedy implementation +1
1000
2034-A King Keykhosrow's Mystery
brute force chinese remainder theorem math +1
800
2033-G Sakurako and Chefir
data structures dfs and similar dp +2
2200
2033-F Kosuke's Sloth
brute force math number theory
1800
2033-E Sakurako, Kosuke, and the Permutation
brute force data structures dfs and similar +4
1400
2033-D Kousuke's Assignment
data structures dp dsu +2
1300
2033-C Sakurako's Field Trip
dp greedy two pointers
1400
2033-B Sakurako and Water
brute force constructive algorithms greedy
900
2033-A Sakurako and Kosuke
constructive algorithms implementation math
800
2032-F Peanuts
combinatorics dp games +1
2700
2032-E Balanced
constructive algorithms data structures greedy +2
2400
2032-D Genokraken
constructive algorithms data structures graphs +5
1800
2032-C Trinity
binary search math sortings +1
1400
2032-B Medians
constructive algorithms greedy implementation +1
1100
2032-A Circuit
greedy implementation math +1
800
2031-F Penchick and Even Medians
binary search constructive algorithms interactive +1
2800
2031-E Penchick and Chloe's Trees
data structures dfs and similar dp +5
2100