Problems
Dungeon Master II#1472
Easy · Brute force · Graphs · Implementation · Breadth-first Search
Store#1473
Very easy · Implementation
Broken Clock#1474
Very easy · Implementation
Unbirthdays#1475
Very easy · Brute force · Implementation
Battleship#1476
Very easy · Prefix Sums
The largest average#1477
Very easy · Sorting
Rectangle#1478
Hard · Geometry · Combinatorics
Rectangles-1#1479
Hard · Geometry · Combinatorics
Rectangles-2#1480
Very hard · Geometry · Combinatorics
Rectangles-3#1481
Hard · Geometry · Combinatorics
Matrix multiplication#1482
Very easy · Matrix
Nim Matrix#1483
Very easy · Games · Matrix
Silver Matrix#1484
Easy · Matrix
Matrix Power Series#1485
Easy · Matrix
Points#1486
Medium · Geometry
Bacteria#1487
Hard · Number theory
Chess Puzzle#1488
Very easy · Brute force
Chocolate#1489
Easy · For Beginners
Moon#1490
Easy · Implementation · Brute force
Necklace#1491
Easy · Math · Brute force
Races#1492
Easy · Math
Robot#1493
Medium · Implementation · Brute force
Santa Claus#1494
Very easy · For Beginners
Substring#1495
Medium · Strings
Water#1496
Hard · Implementation · Prefix Sums