Problems
Hills#326
Medium · Sorting
Meteorologists#327
Easy · Implementation · String suffix structures
Teleport#328
Easy · Graphs · Shortest paths
Number of words#329
Easy · Strings
Champion Word#330
Medium · Strings
The Champion Sentence#331
Easy · Strings
The children's railway#332
Medium · Strings
Children's Railway - 2#333
Hard · Strings
Divide or take away?#334
Easy · Games
Game with switches#335
Very easy · Games
Just one pile?#336
Easy · Games
Did the grandfather gather it or not?#337
Hard · Games
Irreducible Fractions#338
Easy · Number theory · Math
Again irreducible#339
Very easy · Number theory · Math
Once - peas, two - peas...#340
Very easy · Brute force
Influenza AH1N1#341
Easy · Graphs · Depth-first Search
Sorting Containers#342
Medium · Greedy algorithms · Sorting
Ethan Hunt's Mission#343
Easy · Dynamic programming
Three Little Pigs#344
Very easy · Implementation
Progress in Military Technology#345
Medium · Math · Brute force
Progress in artillery continues#346
Medium · Dynamic programming · Strings
A time to scatter stones#347
Very hard · Dynamic programming
Median sequence#348
Hard · Dynamic programming
Thrifty Housekeeper#349
Easy · Math
Ancient Labyrinth#350
Very easy · Geometry