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