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#include <iostream>
#include <string>
#include <algorithm>
#include <utility>
#include <sstream>
#include <vector>
std::vector<std::string> tokenize( const std::string & text , char delimiter ) {
std::istringstream allTokens { text } ;
std::vector<std::string> tokens ;
std::string tok ;
while ( std::getline( allTokens , tok , delimiter ) ) {
tokens.push_back( tok ) ;
}
return tokens ;
}
int main( ) {
std::cout << "Enter some letters, separated by blanks!\n" ;
std::string line ;
std::getline( std::cin , line ) ;
std::vector<std::string> letterstrings { tokenize( line , ' ' ) } ;
std::cout << "Enter some weights, separated by blanks!\n" ;
std::getline( std::cin , line ) ;
std::vector<std::string> weightstrings { tokenize( line , ' ' ) } ;
std::vector<std::pair<char , int>> allPairs ;
for ( int i = 0 ; i < letterstrings.size( ) ; i++ ) {
allPairs.push_back( std::make_pair( letterstrings[i].front( ) , std::stoi(
weightstrings[i].substr( 0 , 1 ) ) ) ) ;
}
std::sort( allPairs.begin( ) , allPairs.end( ) , []( const auto & p1 , const auto & p2) {
return p1.second < p2.second ; } ) ;
for ( auto p : allPairs )
std::cout << p.first ;
std::cout << '\n' ;
return 0 ;
}
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