Data Structures
Arrays [620]
Strings [402]
Hash [161]
Tree [159]
Matrix [114]
Graph [83]
Stack [78]
Heap [40]
Queue [39]
Map [26]

Algorithms
Bit Magic [122]
Numbers [48]
Greedy [44]
DFS [35]
sieve [31]
BFS [24]

Languages
CPP [50]
Java [36]

Others
STL [125]
Misc [40]
set [10]
Kadane [4]
Class [4]