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