//Roman numbers converter by OrHy3 #include using namespace std; int main() { cout << "Please, enter a number from 1 to 3999" << endl; int a; int b; int x; cin >> a; b = a; while (a < 1 || a > 3999) { cout << "You entered a number that can 't be converted! Please, retry" << endl; cin >> a; } cout << "Your number: " << a << endl; cout << "Roman number: "; int M = 1000; int D = 500; int C = 100; int L = 50; int X = 10; int V = 5; for (x = 0; x < (a / M); x++) { cout << "M"; b -= M; } a = b; if ((a / C) == 9) { cout << "CM"; a -= 900; b = a; } else { if ((a / C) == 4) { cout << "CD"; a -= 400; b = a; } else { if ((a / D) == 1) { cout << "D"; a -= 500; b = a; } for (x = 0; x < (a / C); x++) { cout << "C"; b -= 100; } a = b; } } if ((a / X) == 9) { cout << "XC"; a -= 90; b = a; } else { if ((a / X) == 4) { cout << "XL"; a -= 40; b = a; } else { if ((a / L) == 1) { cout << "L"; a -= 50; b = a; } for (x = 0; x < (a / X); x++) { cout << "X"; b -= 10; } a = b; } } if (a == 9) { cout << "IX"; } else { if (a == 4) { cout << "IV"; } else { if ((a / V) == 1) { cout << "V"; a -= 5; } for (x = 0; x < a; x++) { cout << "I"; } } } return 0; }