Data Structures
Arrays [923]
Strings [644]
Hash [246]
Tree [200]
Matrix [175]
Graph [150]
Queue [76]
Heap [65]
Map [40]

Algorithms
Bit Magic [185]
Searching [153]
Recursion [112]
Greedy [90]
Numbers [71]
DFS [65]
sieve [56]
BFS [45]
series [40]

Languages
CPP [205]
Java [178]

Others
Class [6]
LCS [2]