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