Difference btw map and unordered map

#1

Other than storing data in lexicographic order,what are the other differences btw map and unordered map.Also exlplain when should we use either of them

#2

hi @KetanPandey
unordered_map is implemented using hashmaps, all the operations work in O(1) time
map uses a tree, operations usually take logarithmic time

so its better to use unordered_map wherever possible, use map only if you need the data in a sorted manner