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//
//
1.
#include
#include
#include
#include
#include
Escriba un código que convierta del sistema octal al sistema binario y viceversa.
Y otro que convierta números de sistema decimal al sistema octal.
<iostream>
<string>
<cstdlib>
<conio.h>
<math.h>
using namespace std;
void
void
void
oct2bin();
dec2oct();
bin2oct();
int main() {
// Declaración de variables
int
opc;
// Declaracion de menu de opciones de conversión
do {
cout << "------- MENU DE CONVERSIONES ------- \n\n";
cout << "\t1. OCTAL -> BINARIO. \n";
cout << "\t2. BINARIO -> OCTAL. \n";
cout << "\t3. DECIMAL -> OCTAL. \n\n";
cout << "\t0. TERMINAR. \n\n";
cout << "------------------------------------ \n\n";
cout << "Selecciona una opcion: "; cin >> opc; cin.ignore();
switch (opc) {
case 1: {
oct2bin();
break;
}
case 2: {
bin2oct();
break;
}
case 3: {
dec2oct();
break;
}
case 0: {
cout << "HASTA LUEGO!\n";
system("pause");
break;
}
default: {
cout << "Opcion invalida!\n";
system("pause");
}
}
system("cls");
}while (opc != 0);
}
void
return 0;
oct2bin() {
base[255],
octal2bin[][4] = { "000","001","010","011","100","101","110","111" };
int
index;
char
cout << "OCTAL: "; cin.getline(base, sizeof(base));
cout << "BINARIO: ";
for (int i = 0; i < strlen(base); i++) {
index = (int)base[i] - 48;
cout << octal2bin[index] << " ";
}
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}
void
}
void
cout << "\n\n";
system("pause");
dec2oct() {
int dec,i = 0,oct[8];
cout << "DECIMAL: "; cin >> dec;
while (dec >= 8){
oct[i] = dec % 8;
dec = dec / 8;
i++;
}
oct[i] = dec;
int j = 0;
cout << "OCTAL: ";
for (j = i; j >= 0; j--) {
cout << oct[j];
}
cout << "\n\n";
system("pause");
int
bin2oct() {
bin,
oct = 0,
dec = 0,
i = 0;
cout << "BINARIO: "; cin >> bin;
while (bin != 0) {
dec += (bin % 10 * pow(2, i));
i++;
bin /= 10;
}
}
i = 1;
while (dec != 0) {
oct += (dec % 8) * i;
dec /= 8;
i *= 10;
}
cout << "OCTAL: " << oct;
cout << "\n\n";
system("pause");