Problems
Control Points#1397
Very easy · Greedy algorithms · Sorting
Gamers#1398
Medium · Graphs
Cosmic Station#1399
Medium · Graphs
Game#1400
Easy · Dynamic programming
Proof Generator#1401
Very hard · Implementation
Shares#1402
Very easy · Math
Baloo arithmetic#1403
Easy · Dynamic programming
Treasures of the White Cobra#1404
Medium · Graphs
Sticks#1405
Very easy · Dynamic programming
The Great Truce#1406
Hard · Geometry · Shortest paths
We are of one blood, you and I#1407
Hard · Strings
Bananas#1408
Hard · Number theory · Math
The Law of the Jungle#1409
Very easy · Brute force
Reservoir Dogs#1410
Very easy · Brute force · Implementation
The vassal of my vassal is not my vassal!#1411
Very easy · Dynamic programming · Implementation
Wolf Trails#1412
Medium · Graphs · Dynamic programming
A Tasty Morsel#1413
Medium · Geometry
Pebbles#1414
Very easy · Number theory · Math
Rock of Advice#1415
Very easy · Prefix Sums · Implementation
Paths on the board#1416
Easy · Games
Queen Move#1417
Very easy · Games
Queen#1418
Easy · Implementation
The Shortest Path of the Knight#1419
Hard · Graphs · Breadth-first Search
The shortest path of two knights#1420
Easy · Graphs
Ships Approaching#1421
Medium · Math · Geometry