#include <iostream>
#include <vector>
#include <map>
#include <algorithm>
void sortString(std::vector<std::string>& arr,
std::map<int, std::vector<std::string>>& mp)
{
std::sort(arr.begin(), arr.end());
for (int i = 0, sz(arr.size()); i < sz; ) {
std::string str = arr[i];
std::vector<std::string> indices;
indices.push_back(arr[i]);
indices.push_back(arr[i+1]);
/*std::cout << "i " << i << " key " << (str.at(0)) << " value "
<< arr[i] << " - " << arr[i+1] << std::endl; */
mp.insert(std::make_pair((int)(str.at(0)), indices));
i = i+2;
}
return;
}
void printMapElements(std::map<int, std::vector<std::string>> mp)
{
std::cout << "\nIndices Pair: \n";
for (auto itr = mp.begin(); itr != mp.end(); itr++) {
std::cout << "Key:ASCII " << itr->first << " ";
std::vector<std::string> idx = itr->second;
std::cout << "Value: " << idx[0] << " " << idx[1];
std::cout << "\n";
}
return;
}
void printArray(std::vector<std::string> arr)
{
for (int i = 0; i < arr.size(); i++)
std::cout << arr[i] << " ";
std::cout << std::endl;
}
int main()
{
std::vector<std::string> str = { "Hello", "Colourful", "World",
"How", "Cute", "Watch" };
std::map<int, std::vector<std::string>> mp;
std::cout << "Before Inserting into Map: \n";
printArray(str);
sortString(str, mp);
std::cout << "\nSorted array: \n";
printArray(str);
printMapElements(mp);
return 0;
}
