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1 BEGINNER
Basic problems for anyone who has just started to program...
2 AD-HOC
Simulation Problems, Dates, Games and general Ad-Hoc...
3 STRINGS
Palindromes, Frequency, Ad-Hoc, LCS, String Manipulation...
4 DATA STRUCTURES AND LIBRARIES
Queue, Stack, Sort, Map, Set...
5 MATHEMATICS
Number Theory, Prime Numbers, Combinatorics, BigInteger...
6 PARADIGMS
Dynamic Programming, Binary Search, Greedy, Backtracking...
7 GRAPH
Flood Fill, MST, SSSP, DAG, Maximum Flow, Tree...
8 COMPUTATIONAL GEOMETRY
Points and Lines, Polygon...
9 SQL
Query Languages: Select, Insert, Update, Create...
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