test_main.cpp

#include <iostream>
#include <unordered_map>

#ifdef _WIN64
#   ifdef _DEBUG
#       pragma comment(lib, "x64/Debug/SamchonFramework.lib")
#   else
#       pragma comment(lib, "x64/Release/SamchonFramework.lib")
#   endif
#else
#   ifdef _DEBUG
#       pragma comment(lib, "Debug/SamchonFramework.lib")
#   else
#       pragma comment(lib, "Release/SamchonFramework.lib")
#   endif
#endif

using namespace std;

void main()
{
    unordered_map<int, int> intMap;
    for (int i = 1; i <= 10; i++)
        intMap[i] = i;

    for (unordered_map<int, int>::iterator it = intMap.begin(); it != intMap.end(); it++)
    {
        if (it->first == 3)
        {
            int val = it->second;

            it = intMap.erase(it);
            intMap.insert(it, {33, val});
        }
    }

    for (auto it = intMap.begin(); it != intMap.end(); it++)
        cout << it->first << ", " << it->second << endl;

    system("pause");
}