Задачи
Brackets#1653
Лесно · Dynamic programming · Strings
Collinear Points#1654
Многу лесно · Geometry
The Least Common Multiple#1655
Многу лесно · Number theory
Sorting#1656
Лесно · Sorting
Rectangles#1657
Тешко · Geometry
Factorial#1658
Многу лесно · Implementation
Game#1660
Лесно · Dynamic programming
Aladdin's knapsack#1661
Лесно · Knapsack
Bracket sequences#1663
Многу лесно · Brute force
Gold Rush#1664
Тешко · Graphs · Dynamic programming
The Tower of Babel#1665
Лесно · Dynamic programming
Mines#1666
Многу лесно · Geometry
Graph condensation#1667
Многу лесно · Graphs
Matching#1669
Многу тешко · Graphs · Graph matchings
The average distance#1670
Многу лесно · Graphs
Candy#1671
Средно · Dynamic programming
Olympiad#1672
Лесно · Dynamic programming
Sim-sim#1673
Средно · Math · Prefix Sums
Air conditioner#1674
Многу лесно · Implementation
Square Digital Root#1675
Лесно · Implementation
Fractal#1676
Лесно · Dynamic programming
Snake#1677
Лесно · Implementation
Gifts#1678
Лесно · Implementation
Honest Chain#1679
Многу лесно · Prefix Sums
Hamiltonian cycle#1680
Лесно · Graphs