string symbol[] = {"M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"};

int value[] = {1000,900,500,400, 100, 90, 50, 40, 10, 9, 5, 4, 1};

string result;

for(int i=0; num!=0; i++){

while(num >= value[i]){

num -= value[i];

result+=symbol[i];

}

}

return result;

{

int num = 1234;

if (argc>0){

num = atoi(argv[1]);

}

cout << num << " : " << intToRoman(num) << endl;

return 0;