Problems
Parade#6308
Medium · Dynamic programming
Hyperia#6309
Easy · Math · Combinatorics
How to Steal a Million#6310
Medium · Geometry
Keyboard#6311
Very easy · Bitmasks · Bitwise Operations
Findword#6312
Hard · Brute force · String suffix structures
Palindrome#6313
Medium · Implementation
Hotel of the Planet Shelezyaka#6314
Medium · Number theory · Math · Graphs · Combinatorics
Maria the Traveler#6315
Hard · Dijkstra algorithm · Binary Search · Graphs
Divisibility#6316
Medium · Binary Search · Number theory
Large screen#6317
Easy · Geometry
Numeral System Base#6318
Very easy · Number theory
Calculator#6319
Very hard · Brute force
Neighbors#6320
Easy · Geometry · Brute force
Matches#6321
Very hard · Math · Implementation
Candies#6322
Easy · Math · Implementation
Personal Space#6323
Easy · Math
Square by Two Vertices#6344
Very easy · Geometry
Do the segments intersect - 1#6345
Easy · Geometry
Do the segments intersect - 2#6346
Medium · Geometry
What part of a line is in a circle?#6347
Easy · Geometry
Distance from a point to a line segment#6348
Medium · Geometry
Area of a simple polygon#6349
Easy · Geometry
The economy must be economical!#6351
Medium · Implementation
n-th Square Free#6352
Very easy · Binary Search
And water can sustain us!#6353
Hard · Dynamic programming