Data Structures
Arrays [881]
Strings [627]
Hash [239]
Tree [200]
Matrix [171]
Graph [149]
Queue [68]
Heap [64]
Map [38]

Algorithms
Bit Magic [180]
Searching [148]
Recursion [109]
Greedy [88]
Numbers [67]
DFS [66]
sieve [55]
series [38]

Languages
CPP [203]
Java [178]

Others
set [13]
Class [6]