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- #include <iostream>
- using namespace std;
- int main(){
- int i;
- while (cin >> i){
- cout << i << " = ";
- while (i>0){
- if (i>=1000){
- cout << "M";
- i-=1000;
- }
- else if (i>=100){
- if (i>=500){
- if (i>=900){
- cout << "CM";
- i-=900;
- }
- else{
- cout << "D";
- i-=500;
- }
- }
- else{
- if (i>=400){
- cout << "CD";
- i-=400;
- }
- else{
- cout << "C";
- i-=100;
- }
- }
- }
- else if (i>=10){
- if (i>=50){
- if (i>=90){
- cout << "XC";
- i-=90;
- }
- else{
- cout << "L";
- i-=50;
- }
- }
- else{
- if (i>=40){
- cout << "XL";
- i-=40;
- }
- else{
- cout << "X";
- i-=10;
- }
- }
- }
- else{
- if (i>=5){
- if (i==9){
- cout << "IX";
- i-=9;
- }
- else{
- cout << "V";
- i-=5;
- }
- }
- else{
- if (i==4){
- cout << "IV";
- i-=4;
- }
- else{
- cout << "I";
- --i;
- }
- }
- }
- }
- cout << endl;
- }
- }
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