inttoroman.cpp

#include<bits/stdc++.h>
using namespace std;

unordered_map<int, char> romanMap = {
    {1000, 'M'},
    {900, 'C'},
    {500, 'D'},
    {400, 'C'},
    {100, 'C'},
    {90, 'X'},
    {50, 'L'},
    {40, 'X'},
    {10, 'X'},
    {9, 'I'},
    {5, 'V'},
    {4, 'I'},
    {1, 'I'}
};

string intToRoman(int num) {

    
    int prev = 0;
    string s = "";
    vector<int> values = {1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1};
    for (int value : values) {
        while (num >= value) {
            s += romanMap[value];
            num -= value;
        }
    }
    return s;
}
int main() {
    int num;
    cout << "Enter number: ";
    cin >> num;
    cout << "roman value: " << intToRoman(num) << endl;
    return 0;
}