// Enter the no. and code will convert it to roman numerals //This Code Works upto 4 Digits only. #include using namespace std; int main() { cout<<"Enter a number"<>n; num=n; do { n=n/10; s++; }while(n!=0); if(s<=4) { cout<<"Required answer is: "; if(s=4) { u = (num/1000)%10; switch (u) { case(1):cout<<"M"; break; case(2):cout<<"MM"; break; case(3):cout<<"MMM"; break; case(4):cout<<"MV'"; break; case(5):cout<<"V'"; break; case(6):cout<<"V'M"; break; case(7):cout<<"V'MM"; break; case(8):cout<<"V'MMM"; break; case(9):cout<<"MX'"; break; } } if(s>=3) { u = (num/100)%10; switch (u) { case(1):cout<<"C"; break; case(2):cout<<"CC"; break; case(3):cout<<"CCC"; break; case(4):cout<<"CD"; break; case(5):cout<<"D"; break; case(6):cout<<"DC"; break; case(7):cout<<"DCC"; break; case(8):cout<<"DCCC"; break; case(9):cout<<"CM"; break; } } if(s>=2) { u = (num/10)%10; switch (u) { case(1):cout<<"X"; break; case(2):cout<<"XX"; break; case(3):cout<<"XXX"; break; case(4):cout<<"XL"; break; case(5):cout<<"L"; break; case(6):cout<<"LX"; break; case(7):cout<<"LXX"; break; case(8):cout<<"LXXX"; break; case(9):cout<<"XC"; break; } } int u=num%10; switch (u) { case(1):cout<<"I"; break; case(2):cout<<"II"; break; case(3):cout<<"III"; break; case(4):cout<<"IV"; break; case(5):cout<<"V"; break; case(6):cout<<"VI"; break; case(7):cout<<"VII"; break; case(8):cout<<"VIII"; break; case(9):cout<<"IX"; break; } } if(s>4) cout<<"No. is very large"; }

Roman numerals