Map declaration c++

//assuming your variables are called : variables_
#include <map>
#include <string>

std::map<int, std::string> map_;
map_[1] = "mercury";
map_[2] = "mars";
map_.insert(std::make_pair(3, "earth"));
//either synthax works to declare a new entry

return map_[2]; //here, map_[2] will return "mars"

Similar codes

0 vote139 views1 answer
How to print a word in c++
C++
0 vote137 views1 answer
Store array in vector
C++
14 votes139 views1 answer
C++ optimization dynamic 2d array
C++
0 vote128 views1 answer
Pascal's triangle in c++ through pointer
C++
0 vote199 views1 answer
Lnk2001 unresolved external symbol __imp_PlaySoundA
C++
9 votes132 views4 answers
C++ sqrt
C++
0 vote137 views1 answer
C++ overloading by ref-qualifiers
C++
1 vote152 views1 answer
Pyramid shape in c++
C++
2 votes193 views1 answer
Check gpu usage jetson nano
C++
1 vote133 views1 answer
How to display a variable in c++
C++