Problems Playground
Login
Min rating
Max rating
Tag
Reset
# Problem Tags Rating Solved
1886-A Sum of Three
brute force constructive algorithms math
800
1885-A Deterministic Scheduling for Extended Reality over 5G and Beyond
*special
1884-E Hard Design
greedy implementation math
2800
1884-D Counting Rhyme
dp math number theory
2100
1884-C Medium Design
brute force data structures dp +2
1700
1884-B Haunted House
binary search greedy math +1
1100
1884-A Simple Design
brute force greedy math
800
1883-G2 Dances (Hard Version)
binary search greedy sortings +1
1900
1883-G1 Dances (Easy version)
binary search greedy two pointers
1400
1883-F You Are So Beautiful
data structures
1400
1883-E Look Back
bitmasks greedy
1700
1883-D In Love
data structures greedy
1500
1883-C Raspberries
dp math
1000
1883-B Chemistry
strings
900
1883-A Morning
math
800
1882-E2 Two Permutations (Hard Version)
constructive algorithms
3100
1882-E1 Two Permutations (Easy Version)
brute force constructive algorithms greedy +1
2400
1882-D Tree XOR
bitmasks dfs and similar dp +2
1900
1882-C Card Game
brute force greedy
1500
1882-B Sets and Union
bitmasks brute force constructive algorithms +1
1300
1882-A Increasing Sequence
greedy
800
1881-G Anya and the Mysterious String
binary search data structures
2000
1881-F Minimum Maximum Distance
dfs and similar dp graphs +2
1700
1881-E Block Sequence
dp
1500
1881-D Divide and Equalize
math number theory
1300
1881-C Perfect Square
brute force implementation
1200
1881-B Three Threadlets
math
900
1881-A Don't Try to Count
brute force strings
800
1879-F Last Man Standing
brute force data structures number theory
2800
1879-E Interactive Game with Coloring
brute force constructive algorithms dfs and similar +4
2400
1879-D Sum of XOR Functions
bitmasks combinatorics divide and conquer +2
1700
1879-C Make it Alternating
combinatorics dp greedy
1300
1879-B Chips on the Board
constructive algorithms greedy
900
1879-A Rigged!
greedy
800
1878-G wxhtzdy ORO Tree
binary search bitmasks brute force +4
2300
1878-F Vasilije Loves Number Theory
brute force math number theory
1900
1878-E Iva & Pav
binary search bitmasks data structures +1
1400
1878-D Reverse Madness
data structures greedy
1600
1878-C Vasilije in Cacak
math
900
1878-B Aleksa and Stack
constructive algorithms math
800
1878-A How Much Does Daytona Cost?
greedy
800
1877-C Joyboard
math number theory
1200
1877-A Goals of Victory
math
800
1876-G Clubstep
binary search brute force data structures +2
3500
1876-F Indefinite Clownfish
binary search graphs
3500
1876-E Ball-Stackable
constructive algorithms data structures dp +1
3300
1876-D Lexichromatography
combinatorics dfs and similar dsu +2
2500
1876-C Autosynthesis
constructive algorithms dfs and similar graphs +2
2100
1876-B Effects of Anti Pimples
combinatorics number theory sortings
1500
1876-A Helmets in Night Light
greedy sortings
1000