समस्याएँ
The Bottom of a Graph#6223
बहुत आसान · Graphs
Dark Roads#6224
आसान · Greedy algorithms · Disjoint set union · Sorting
Beacons#6225
बहुत कठिन · Graphs
Food Review#6226
बहुत कठिन · Graphs · Shortest paths
From Dusk Till Down#6227
आसान · Graphs · Shortest paths
Fenwick Tree#6233
बहुत आसान · Prefix Sums · Data Structures · Implementation
Honey Bees#6239
बहुत आसान · Implementation
Repeating Decimals#6240
आसान · Implementation
Solutions of Cubic Equation#6241
कठिन · Math · Implementation
Multiplication in a Dihedral Group#6242
आसान · Implementation · String suffix structures
Area Between Outer Hull and Inner Hull#6243
मध्यम · Geometry
Sharkovski's Ordering#6244
बहुत आसान · Implementation
Metro Manila Detour#6245
बहुत आसान · Graphs
More Fun in Bicol#6246
बहुत कठिन · Implementation
Interior Lattice Points#6247
बहुत आसान · Geometry
Permutations#6248
बहुत आसान · Math · Brute force
Planting Trees#6249
बहुत आसान · Sorting · Greedy algorithms
Boiling Vegetables#6250
बहुत आसान · Greedy algorithms
Number Trick#6251
आसान · Brute force
Robert Hood#6252
कठिन · Geometry · Convex Hull
Virus Replication#6253
बहुत आसान · Implementation
Timebomb#6254
बहुत आसान · Implementation
Erase Securely#6255
बहुत आसान · Math
Pinball#6256
बहुत कठिन · Geometry
Dance Reconstruction#6257
कठिन · Math · Combinatorics · Number theory · Constructive Algorithms