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# Problem Tags Rating Solved
238-E Meeting Her
dp graphs shortest paths
2600
238-D Tape Programming
data structures implementation
2900
238-C World Eater Brothers
dfs and similar dp greedy +1
2100
238-B Boring Partition
constructive algorithms
1800
238-A Not Wool Sequences
constructive algorithms math
1300
237-E Build String
flows graphs
2000
237-D T-decomposition
dfs and similar graphs greedy +1
2000
237-C Primes on Interval
binary search number theory two pointers
1600
237-B Young Table
implementation sortings
1500
237-A Free Cash
implementation
1000
236-B Easy Number Challenge
implementation number theory
1300
236-A Boy or Girl
brute force implementation strings
800
235-E Number Challenge
combinatorics dp implementation +2
2600
235-D Graph Game
graphs
3000
235-C Cyclical Quest
data structures string suffix structures strings
2700
235-B Let's Play Osu!
dp math probabilities
2000
235-A LCM Challenge
number theory
1600
234-H Merging Two Decks
constructive algorithms greedy
2000
234-G Practice
constructive algorithms divide and conquer implementation
1600
234-F Fence
dp
1800
234-E Champions' League
implementation
1600
234-D Cinema
implementation
1600
234-C Weather
dp implementation
1300
234-B Reading
sortings
1000
234-A Lefthanders and Righthanders
implementation
1200
233-B Non-square Equation
binary search brute force math
1400
233-A Perfect Permutation
implementation math
800
232-E Quick Tortoise
bitmasks divide and conquer dp
3000
232-D Fence
binary search data structures string suffix structures
2900
232-C Doe Graphs
constructive algorithms divide and conquer dp +2
2600
232-B Table
bitmasks combinatorics dp +1
1900
232-A Cycles
binary search constructive algorithms graphs +1
1600
231-E Cactus
data structures dfs and similar dp +2
2100
231-D Magic Box
brute force geometry
1600
231-C To Add or Not to Add
binary search sortings two pointers
1600
231-B Magic, Wizardry and Wonders
constructive algorithms greedy
1500
231-A Team
brute force greedy
800
230-B T-primes
binary search implementation math +1
1300
230-A Dragons
greedy sortings
1000
229-E Gifts
combinatorics dp math +1
2600
229-D Towers
dp greedy two pointers
2100
229-C Triangles
combinatorics graphs math
1900
229-B Planets
binary search data structures graphs +1
1700
229-A Shifts
brute force two pointers
1500
228-E The Road to Berland is Paved With Good Intentions
2-sat dfs and similar dsu +1
1900
228-D Zigzag
data structures
2100
228-C Fractal Detector
dp hashing
2000
228-B Two Tables
brute force implementation
1400
228-A Is your horseshoe on the other hoof?
implementation
800
227-B Effective Approach
implementation
1100