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- #include <iostream>
- #include <cmath>
- using namespace std;
- int octalToDecimal(int octalNumber);
- int main()
- {
- int octalNumber;
- cout << "Enter an octal number: ";
- cin >> octalNumber;
- cout << octalNumber << " in octal = " << octalToDecimal(octalNumber) << " in decimal";
- return 0;
- }
- // Function to convert octal number to decimal
- int octalToDecimal(int octalNumber)
- {
- int decimalNumber = 0, i = 0, rem;
- while (octalNumber != 0)
- {
- rem = octalNumber % 10;
- octalNumber /= 10;
- decimalNumber += rem * pow(8, i);
- ++i;
- }
- return decimalNumber;
- }
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