#include
#include
#include
#include
#include
#include
using namespace std;
int main( ) {
vector v1, v2, v3;
v1.push_back("a");
v1.push_back("c");
v1.push_back("e");
v2.push_back("b");
v2.push_back("d");
v2.push_back("f");
v3.reserve(v1.size( ) + v2.size( ) + 1);
merge(v1.begin( ), v1.end( ),
v2.begin( ), v2.end( ),
back_inserter >(v3));
for(int i=0;i<6;i++){
cout << v3[i];
}
}
/*
abcdef
*/