Notes
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Tree - 50 problems
DP - 100 Problems (35 1d, 35 2d, 30 3d)
Graphs - 50 Problems
Array/Binary search, sort : 100 problems
Strings: 50 problems
Bit : 20 Problems
Design:( 1week)
Design patterns
DB:( 1 week)
RDBMS - 1week
Cache
Redis
Memcached
Nosql vs sql vs Cassandra
OS:( 1 week)
Os concepts
Multithreading vs Asynchronous
Networking
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