Problems
City Merger#3434
Very easy · Dynamic programming · String suffix structures
Captain Q`s Treasure#3435
Very hard · Dynamic programming · Bitmasks · Hashing
ASCII Expression#3436
Medium · Expression parsing · Math
Encircling Circles#3437
Easy · Geometry · Brute force
Round Trip#3438
Very easy · Graphs · Dijkstra algorithm
Yet Another Rooks Problem#3439
Medium · Games
A game of chess#3440
Very easy · Games
Ostap`s Chess#3441
Easy · Games
Archer's Travel#3442
Very easy · Games
Chess Tableaux#3443
Very hard · Games
Chess Snipers#3444
Very easy · Games
Endgame#3445
Easy · Games
Peaceful Rooks#3446
Easy · Games
Crazy King#3447
Easy · Games
Chess#3450
Easy · Implementation
Binary Search#3451
Very hard · Dynamic programming
Hungry Queen#3452
Very hard · Games
Queen and King#3453
Very easy · Games
A Knight's Journey#3454
Hard · Games
Chessboard in FEN#3455
Very easy · Games
Queens, Knights and Pawns#3456
Medium · Graphs · Implementation
Hungry Queen 2#3457
Medium · Games
King#3458
Very hard · Games
Membership Management#3459
Medium · Depth-first Search · Graphs
Balloon Collecting#3460
Hard · Dynamic programming · Greedy algorithms