Data Structures
Arrays [574]
Strings [384]
Tree [162]
Hash [155]
Matrix [123]
Graph [84]
Stack [78]
Heap [40]
Queue [39]
Map [26]
Trie [12]

Algorithms
Sorting [137]
Bit Magic [122]
Greedy [51]
Numbers [48]
DFS [36]
sieve [31]
series [30]
BFS [26]

Languages
Java [512]
CPP [195]
C [95]
SQL [62]
CSharp [19]
PHP [7]
HTML [5]
XML [4]
Perl [1]

Others
Puzzles [63]
Misc [61]
STL [51]
Linux [40]
memory [10]
Kadane [4]
Class [4]
hive [2]
c-lang [1]
Sqoop [1]
parser [1]
UML [1]