Problem set

Every problem has a simple, fast and wrong solution.

All problems (1000–1895)

Volume 1 (1000–1099)
Volume 2 (1100–1199)
Volume 3 (1200–1299)
Volume 4 (1300–1399)
Volume 5 (1400–1499)
Volume 6 (1500–1595)
Volume 7 (1600–1699)
Volume 8 (1700–1796)
Volume 9 (1800–1895)

NEERC
NEERC Subregionals
Petrozavodsk Training Camp
School Contests
Timus Top Coders Contests
Ural Championships
Ural SU Personal Contests
Ural SU Team Contests

Data Structures Problems
Dynamic Programming Problems
Game Problems
Geometry Problems
Graph Theory Problems
Hardest Problems
Number Theory Problems
Problems for Beginners
String Algorithms Problems
Tricky Problems
Unusual Problems