Data Structures
Arrays [928]
Strings [649]
Hash [247]
Tree [202]
Matrix [177]
Graph [152]
Queue [76]
Heap [65]
Map [40]

Algorithms
Bit Magic [187]
Searching [156]
Recursion [115]
Greedy [93]
Numbers [71]
DFS [66]
sieve [58]
BFS [46]
series [40]

Languages
CPP [205]
Java [178]

Others
Class [6]
LCS [2]