ios manipulators hex() function in C++
The hex() 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 HexaDecimal numbers. Hence the output shows the number in HexaDecimal base.
Syntax:
ios_base& hex (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:
#include <iostream>
using namespace std;
int main()
{
int n = 321;
cout << "hex flag: "
<< hex << n << endl;
return 0;
}
|
Example 2:
#include <iostream>
using namespace std;
int main()
{
int n = -321;
cout << "hex flag: "
<< hex << n << endl;
return 0;
}
|
Output:
hex flag: fffffebf
Reference: http://www.cplusplus.com/reference/ios/hex/
Last Updated :
02 Sep, 2019
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