Задачи
Even and odd numbers#1623
Многу лесно · For Beginners
Day after tomorrow#1624
Лесно · Implementation
Judging Olympia#1625
Лесно · Implementation · Math
Hide That Number#1626
Многу лесно · Trees
Rotating Rings#1627
Средно · Implementation · Strings · Two pointers
A Tale from the Dark Side of the Moon#1628
Лесно · Implementation
Fermat's Christmas Theorem#1629
Многу лесно · Number theory
Random Points#1630
Многу лесно · Geometry · Sorting
Let's Go to the Movies#1631
Тешко · Dynamic programming · Trees · Graphs · Greedy algorithms
The Writers' Club#1632
Лесно · Graphs · Implementation · Data Structures
Moving Sticks#1633
Многу тешко · Implementation
Johnny Hates Math#1634
Лесно · Dynamic programming · Implementation
Hologram Advertisements#1635
Многу лесно · Geometry
Big Number#1636
Многу тешко · Number theory
Distance#1638
Лесно · Graphs
Golden Spire#1641
Лесно · Geometry
Hometask#1642
Лесно · Number theory · Math
Joke#1644
Средно · Implementation
Binary number#1645
Лесно · Bitmasks · Bitwise Operations
Reset bits#1647
Лесно · Bitmasks · Implementation
Fenwick Function#1648
Лесно · Bitmasks · Bitwise Operations
Bit sorting#1649
Тешко · Sorting
Decoding Task#1650
Многу лесно · Implementation · Bitmasks
Maximal XOR#1651
Многу лесно · Bitwise Operations
Polynomial#1652
Лесно · Strings