Problems Playground
Login
Min rating
Max rating
Tag
Reset
# Problem Tags Rating Solved
788-A Functions again
dp two pointers
1600
787-B Not Afraid
greedy implementation math
1300
787-A The Monster
brute force math number theory
1200
786-E ALT
data structures flows graphs +1
3200
786-D Rap God
data structures dfs and similar hashing +2
3400
786-C Till I Collapse
data structures divide and conquer
2400
786-B Legacy
data structures graphs shortest paths
2300
786-A Berzerk
dfs and similar dp games
2000
785-E Anton and Permutation
brute force data structures
2200
785-D Anton and School - 2
combinatorics dp math +1
2300
785-C Anton and Fairy Tale
binary search math
1600
785-B Anton and Classes
greedy sortings
1100
785-A Anton and Polyhedrons
implementation strings
800
784-G BF Calculator
*special
2000
784-F Crunching Numbers Just for You
*special implementation
1900
784-E Twisted Circuit
*special brute force implementation
2000
784-D Touchy-Feely Palindromes
*special implementation
1900
784-C INTERCALC
*special implementation
1800
784-B Kids' Riddle
*special
2000
784-A Numbers Joke
*special
1700
780-H Intranet of Buses
binary search geometry implementation +1
3100
780-G Andryusha and Nervous Barriers
data structures dp
2700
780-F Axel and Marston in Bitland
bitmasks dp graphs +1
2400
780-E Underground Lab
constructive algorithms dfs and similar graphs
2100
780-D Innokenty and a Football League
2-sat graphs greedy +3
1900
780-C Andryusha and Colored Balloons
dfs and similar graphs greedy +1
1600
780-B The Meeting Place Cannot Be Changed
binary search
1600
780-A Andryusha and Socks
implementation
800
779-C Dishonest Sellers
constructive algorithms greedy sortings
1200
779-B Weird Rounding
brute force greedy
1100
779-A Pupils Redistribution
constructive algorithms math
1000
778-E Selling Numbers
dp sortings
3000
778-D Parquet Re-laying
constructive algorithms
2700
778-C Peterson Polyglot
brute force dfs and similar dsu +3
2500
778-B Bitwise Formula
bitmasks brute force dfs and similar +2
1800
778-A String Game
binary search greedy strings
1700
777-E Hanoi Factory
brute force data structures dp +2
2000
777-D Cloud of Hashtags
binary search greedy implementation +1
1800
777-C Alyona and Spreadsheet
binary search data structures dp +3
1600
777-B Game of Credit Cards
data structures dp greedy +1
1300
777-A Shell Game
constructive algorithms implementation math
1000
776-G Sherlock and the Encrypted Data
bitmasks combinatorics dp
2900
776-F Sherlock's bet to Moriarty
constructive algorithms data structures divide and conquer +4
2800
776-E The Holmes Children
math number theory
2100
776-D The Door Problem
2-sat dfs and similar dsu +1
2000
776-C Molly's Chemicals
binary search brute force data structures +2
1800
776-B Sherlock and his girlfriend
constructive algorithms number theory
1200
776-A A Serial Killer
brute force implementation strings
900
775-A University Schedule
*special
2900
774-L Bars
*special binary search
2000