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# Problem Tags Rating Solved
465-A inc ARG
implementation
900
464-E The Classic Problem
data structures graphs shortest paths
3000
464-D World of Darkraft - 2
dp probabilities
2700
464-C Substitutes in Number
dp
2100
464-B Restore Cube
brute force geometry
2000
464-A No to Palindromes!
greedy strings
1700
463-E Caisa and Tree
brute force dfs and similar math +2
2100
463-D Gargari and Permutations
dfs and similar dp graphs +1
1900
463-C Gargari and Bishops
greedy hashing implementation
1900
463-B Caisa and Pylons
brute force implementation math
1100
463-A Caisa and Sugar
brute force implementation
1200
462-B Appleman and Card Game
greedy
1300
462-A Appleman and Easy Task
brute force implementation
1000
461-E Appleman and a Game
binary search shortest paths strings
3000
461-D Appleman and Complicated Task
dsu math
2800
461-C Appleman and a Sheet of Paper
data structures implementation
2200
461-B Appleman and Tree
dfs and similar dp trees
2000
461-A Appleman and Toastman
greedy sortings
1200
460-E Roland and Rose
brute force geometry math +1
2700
460-D Little Victor and Set
brute force constructive algorithms math
2300
460-C Present
binary search data structures greedy
1700
460-B Little Dima and Equation
brute force implementation math +1
1500
460-A Vasya and Socks
brute force implementation math
900
459-E Pashmak and Graph
dp sortings
1900
459-D Pashmak and Parmida's problem
data structures divide and conquer sortings
1800
459-C Pashmak and Buses
combinatorics constructive algorithms math
1900
459-B Pashmak and Flowers
combinatorics implementation sortings
1300
459-A Pashmak and Garden
implementation
1200
457-F An easy problem about trees
dp games greedy +1
3200
457-E Flow Optimality
constructive algorithms flows math
3000
457-D Bingo!
combinatorics math probabilities
2700
457-C Elections
brute force
2100
457-B Distributed Join
greedy
1900
457-A Golden System
math meet-in-the-middle
1700
456-B Fedya and Maths
math number theory
1200
456-A Laptops
sortings
1100
455-E Function
data structures
2900
455-D Serega and Fun
data structures
2700
455-C Civilization
dfs and similar dp dsu +2
2100
455-B A Lot of Games
dfs and similar dp games +3
1900
455-A Boredom
dp
1500
454-B Little Pony and Sort by Shift
implementation
1200
454-A Little Pony and Crystal Mine
implementation
800
453-E Little Pony and Lord Tirek
data structures
3100
453-D Little Pony and Elements of Harmony
dp matrices
3000
453-C Little Pony and Summer Sun Celebration
constructive algorithms dfs and similar graphs
2200
453-B Little Pony and Harmony Chest
bitmasks brute force dp
2000
453-A Little Pony and Expected Maximum
probabilities
1600
452-F Permutation
data structures divide and conquer hashing
2700
452-E Three strings
data structures dsu string suffix structures +1
2400