Data Structures
Arrays [622]
Strings [406]
Hash [165]
Tree [126]
Matrix [118]
Graph [86]
Stack [79]
Queue [41]
Heap [36]
Map [26]

Algorithms
Bit Magic [120]
Searching [113]
Numbers [49]
Greedy [44]
DFS [36]
sieve [32]
BFS [24]

Languages
CPP [63]
Java [56]

Others
STL [126]
Misc [40]
set [10]