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# Problem Tags Rating Solved
1437-C Chef Monocarp
dp flows graph matchings +3
1800
1437-B Reverse Binary Strings
constructive algorithms greedy
1200
1437-A Marketing Scheme
brute force constructive algorithms greedy +1
800
1436-F Sum Over Subsets
combinatorics math number theory
2800
1436-E Complicated Computations
binary search data structures two pointers
2400
1436-D Bandit in a City
binary search dfs and similar graphs +2
1900
1436-C Binary Search
binary search combinatorics
1500
1436-B Prime Square
constructive algorithms math
900
1436-A Reorder
math
800
1434-E A Convex Game
dsu games
3500
1433-G Reducing Delivery Cost
brute force graphs shortest paths
2100
1433-F Zero Remainder Sum
dp
2100
1433-E Two Round Dances
combinatorics math
1300
1433-D Districts Connection
constructive algorithms dfs and similar
1200
1433-C Dominant Piranha
constructive algorithms greedy
900
1433-B Yet Another Bookshelf
greedy implementation
800
1433-A Boring Apartments
implementation math
800
1431-J Zero-XOR Array
*special dp
3400
1431-I Cyclic Shifts
*special strings
2900
1431-H Rogue-like Game
*special brute force greedy +1
2600
1431-G Number Deletion Game
*special dp games +1
2100
1431-F Neural Network Problem
*special binary search greedy
2100
1431-E Chess Match
*special
2000
1431-D Used Markers
*special greedy
1500
1431-C Black Friday
*special implementation
1600
1431-B Polycarp and the Language of Gods
*special implementation two pointers
1400
1431-A Selling Hamburgers
*special
800
1430-G Yet Another DAG Problem
bitmasks dfs and similar dp +3
2600
1430-F Realistic Gameplay
dp greedy
2600
1430-E String Reversal
data structures greedy strings
1900
1430-D String Deletion
binary search data structures greedy +1
1700
1430-C Numbers on Whiteboard
constructive algorithms data structures greedy +2
1000
1430-B Barrels
greedy implementation sortings
800
1430-A Number of Apartments
brute force constructive algorithms math
900
1428-H Rotary Laser Lock
binary search interactive
3500
1428-G2 Lucky Numbers (Hard Version)
dp greedy
3000
1428-G1 Lucky Numbers (Easy Version)
dp greedy
2900
1428-F Fruit Sequences
binary search data structures divide and conquer +2
2400
1428-E Carrots for Rabbits
binary search data structures greedy +2
2200
1428-D Bouncing Boomerangs
constructive algorithms greedy implementation
1900
1428-C ABBB
brute force data structures greedy +1
1100
1428-B Belted Rooms
graphs implementation
1200
1428-A Box is Pull
math
800
1427-H Prison Break
binary search games geometry +1
3500
1427-G One Billion Shades of Grey
flows graphs
3300
1427-F Boring Card Game
data structures greedy trees
3200
1427-E Xum
bitmasks constructive algorithms math +2
2500
1427-D Unshuffling a Deck
constructive algorithms implementation
2000
1427-C The Hard Work of Paparazzi
dp
2000
1427-B Chess Cheater
greedy implementation sortings
1400