class Solution {
public:
    string intToRoman(int num) {
        const vector<pair<int,string>> valueSymbols = {
            {1000,"M"}, {900,"CM"}, {500, "D"}, {400,"CD"},{100,"C"},{90,"XC"},{50,"L"}, {40,"XL"},{10,"X"},{9,"IX"},{5,"V"},{4,"IV"},{1,"I"}
            
        };
        string res;
        for(auto const &[value,symbol]: valueSymbols){
            if(num == 0)
                break;
            while(num>=value){
                res+=symbol;
                num-=value;

            }    
        }
        return res;
    }
};