Problems
Fence#408
Very easy · Implementation · Brute force
Game#409
Medium · Probabilities · Math
Hadron Collider#410
Medium · Graphs
Intersection#411
Medium · Graphs
Jammed#412
Easy · Brute force · Implementation · Hashing
Euclidean Algorithm#413
Medium · Implementation · Math
Equation#414
Medium · Number theory · Implementation
"Beautiful" permutations#415
Easy · Dynamic programming
Lectures#416
Hard · Graphs
Amount#417
Hard · Math · Dynamic programming
Tea Garden#418
Very easy · Geometry
The 3n + 1 problem#419
Very easy · Brute force
From guns to the Moon#420
Very easy · Geometry
Yo-Yo#421
Very easy · Math · Brute force
Snake#422
Easy · Math
Award#423
Very easy · Implementation
Rectangles#424
Very easy · Implementation · Brute force
Chess#425
Easy · Graphs
Division#426
Medium · Geometry · Brute force
Assessment#427
Very easy · Math · Number theory
Cannon#428
Very easy · Geometry
Game Zuma#429
Medium · Greedy algorithms · Dynamic programming
Hamsters and Rabbits#430
Easy · Greedy algorithms
Counting on Tree#431
Very easy · Graphs
Dungeon Master#432
Easy · Breadth-first Search · Graphs