Задачи

Egyptian Fractions#1818

Многу лесно · Greedy algorithms · Math

Lawn mower#1819

Многу лесно · Implementation

Periodic points#1820

Многу лесно · Math · Dynamic programming

Comparing Answers#1821

Многу лесно · Graphs · Brute force

Fake scoreboard#1822

Многу лесно · Graphs · Graph network flows · Graph matchings

Palindromic DNA#1823

Лесно · Graphs

Enchanted Object Search#1824

Многу лесно · Graphs · Dynamic programming

Sensor network#1825

Тешко · Graphs · Greedy algorithms · Sorting · Two pointers

Assembly line#1826

Многу лесно · Dynamic programming · String suffix structures

Locks and keys#1827

Многу тешко · Graphs · Trees · Breadth-first Search · Depth-first Search · Constructive Algorithms

3-sided dice#1828

Лесно · Geometry

Tangent to the sphere#1829

Тешко · Geometry

Cones#1831

Средно · Geometry

Camera Observation#1832

Многу тешко · Geometry

Convex hull 3D - 1#1833

Средно · Geometry

Lines#1834

Лесно · Geometry

The mutual arrangement of lines#1835

Средно · Geometry

Convex hull 3D - 2#1836

Лесно · Geometry

Convex hull of the 3D - 3#1837

Лесно · Geometry

Cylinder#1839

Лесно · Geometry

Cut the watermelon#1840

Многу лесно · Geometry

DNA Robot#1841

Многу лесно · Fast Fourier transform · Brute force

Triangle#1842

Многу лесно · Math · Probabilities · Implementation

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