BoauthCPP, C++ (gcc)

BoauthCPP

//g++  7.4.0
//BoauthCPP
//this code is created by Rezaul Hoque on October 26,2021;contact: jewelmrh@yahoo.com
//note: codes shared by Rezaul Hoque on rextester are not for sale; they are created and shared to facilitate the algorithm learning process; many like Hoque use this platform to practice programming ;Rezaul hopes his contribution helps others to fine tune their learning;
#include <iostream>
#include <map>
#include <string>

int main ()
{
std::map<std::string,std::string,std::less<std::string>> b;
b["Sonar Kella"]= "Satyajit Ray";
b["Kim"]="Rudyard Kipling";
b["Michael Strogoff"]="Jules Verne";
auto f=b.find("The Jungle Book");
if(f!=b.end()){
std::cout<<"Yes,we have "<<f->first<<",written by"<<f->second<<"\n";}
else
    {  std::cout<<"Sorry, it doesn’t exist\n";}

std::cout<<"Here is complete list\n";
for(auto& x: b)
std::cout<<x.first<<" by "<<x.second<<"\n";
b.erase("Kim");
b.emplace("The Jungle Book", "Rudyard Kipling");

std::cout<<"Now we have "<<b.size()<<" books in our atock.\n";
std::cout<<"They are :\n";
for(auto& x: b)
std::cout<<x.first<<" by "<<x.second<<"\n";
return 0;
}


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