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Circles - 2#201
Örän ýeňil · Combinatorics
Cubes#202
Örän ýeňil · Brute force
Cubes - 2#203
Örän ýeňil · Brute force
Inflation rate#204
Kyn · Implementation
First non-palindrome#205
Örän ýeňil · Brute force · Strings
Tourist#206
Ýeňil · For Beginners
Traffic Lights - 2#207
Ýeňil · Shortest paths
Macros#208
Orta · Implementation · String suffix structures
Copy protection#209
Ýeňil · Graphs
Poem Titles#210
Kyn · Dynamic programming · Hashing
Mushroom Foraging#211
Kyn · Dynamic programming
Kopatych's Fence#212
Kyn · Geometry · Brute force
Rescue the hamsters#213
Orta · Graphs
Hamsters on the Torus#214
Ýeňil · Implementation
Compote Preparation#215
Örän ýeňil · Math · Brute force
Treasure Hunt#216
Örän kyn · String suffix structures · Suffix Array
The Great Secret#217
Ýeňil · Math · Dynamic programming
Shaman's Drum#218
Orta · Geometry
Central heating#219
Örän ýeňil · Math
Liars#220
Örän ýeňil · Greedy algorithms
Mountain tourism#221
Ýeňil · Prefix Sums
Tanglegram#222
Orta · Divide and Conquer · Sorting
Evolution#223
Örän ýeňil · Trees
Merchant#224
Ýeňil · Graphs · Dijkstra algorithm · Dynamic programming
Circles#225
Orta · Geometry · Ternary search