Question

What is the equivalent of %.2f (printf("%.2f" ,f)) in C++

Answer 1

#include <iostream>
#include <iomanip>

using namespace std;

int main()
{
	float pi = 3.14159265359;
	
	cout << fixed << setprecision(2) << pi << endl;

	return 0;
}


/*
run:

3.14

*/

 

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Answer 2

#include <iostream>
#include <iomanip>

using namespace std;

int main()
{
	cout << fixed << setprecision(2) << 1/2.0 << endl;

	return 0;
}


/*
run:

0.50

*/

 

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