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21.- C++ desde cero 2019🦸‍♂️ [Ejercicio 13, De números arábigos a rom…
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…anos]

Video:
https://youtu.be/75RDxTq182o
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programadornovato committed Mar 22, 2020
1 parent 30afe92 commit 5d5656c
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65 changes: 65 additions & 0 deletions ejercicios/eje13Romano.cpp
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#include <iostream>

int main(){
int numero,millar,centenas,decenas,unidades;
std::cout<<"Humano ingresa un numero: ";
std::cin>>numero;//1234

unidades=numero%10;//=4

numero=numero/10;//1234/10=123.4
decenas=numero%10;//)3

numero=numero/10;//123/10=12.3
centenas=numero%10;//)2

millar=numero/10;//12/10=1.2

//std::cout<<millar<<"-"<<centenas<<"-"<<decenas<<"-"<<unidades;
switch (millar)
{
case 1:std::cout<<"M";break;
case 2:std::cout<<"MM";break;
case 3:std::cout<<"MMM";break;
}
switch (centenas)
{
case 1:std::cout<<"C";break;
case 2:std::cout<<"CC";break;
case 3:std::cout<<"CCC";break;
case 4:std::cout<<"CD";break;
case 5:std::cout<<"D";break;
case 6:std::cout<<"DC";break;
case 7:std::cout<<"DCC";break;
case 8:std::cout<<"DCCC";break;
case 9:std::cout<<"CM";break;
}
switch (decenas)
{
case 1:std::cout<<"X";break;
case 2:std::cout<<"XX";break;
case 3:std::cout<<"XXX";break;
case 4:std::cout<<"XL";break;
case 5:std::cout<<"L";break;
case 6:std::cout<<"LX";break;
case 7:std::cout<<"LXX";break;
case 8:std::cout<<"LXXX";break;
case 9:std::cout<<"XC";break;
}
switch (unidades)
{
case 1:std::cout<<"I";break;
case 2:std::cout<<"II";break;
case 3:std::cout<<"III";break;
case 4:std::cout<<"IV";break;
case 5:std::cout<<"V";break;
case 6:std::cout<<"VI";break;
case 7:std::cout<<"VII";break;
case 8:std::cout<<"VIII";break;
case 9:std::cout<<"IX";break;
}
std::cout<<"\n";

system("pause");
return 0;
}
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