ios manipulators nounitbuf() function in C++

ios manipulators oct() function in C++

Last Updated : 02 Sep, 2019

The oct() method of stream manipulators in C++ is used to set the baseline format flag for the specified str stream. This flag sets the baseline for Octal numbers. Hence the output shows the number in Octal base. Syntax:

ios_base& oct (ios_base& str)

Parameters: This method accepts str as a parameter which is the stream for which the format flag is affected. Return Value: This method returns the stream str with internal format flag set. Example 1:

CPP

// C++ code to demonstrate
// the working of oct() function

#include <iostream>

using namespace std;

int main()
{

    // Initializing the number
    int n = 321;

    // Using oct()
    cout << "oct flag: "
         << oct << n << endl;

    return 0;
}

Output:

oct flag: 501

Example 2:

CPP

// C++ code to demonstrate
// the working of oct() function

#include <iostream>

using namespace std;

int main()
{

    // Initializing the number
    int n = -321;

    // Using oct()
    cout << "oct flag: "
         << oct << n << endl;

    return 0;
}

Output:

oct flag: 37777777277

Reference: http://www.cplusplus.com/reference/ios/oct/

ios manipulators nounitbuf() function in C++

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