Set precision in c++

Setprecision in c++

#include<iomanip>
#include <iostream>
using namespace std;

int main()
{
   int num = 45;
  cout << "it is: " << fixed << setprecision(2) << num << " the end"<< endl;
  
  return 0;
}

Set precision with fixed c++

int x = 109887;
cout << fixed << setprecision(3) << x;

Set precision in c++

#include <iomanip.h>
#include <iomanip>
int main()
{
    double num1 = 3.12345678;
    cout << fixed << showpoint;
    cout << setprecision(2);
    cout << num1 << endl;
}

Source: stackoverflow.com

Set precision in c++

#include <iostream>

int main()
{
  std::cout << std::setprecision(n); //to n SIG FIG
  // any cout comand will be to n sig fig after this comand
}

Setprecision in c++

#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
  int i = 18;
  cout<<setw(10)i;
}

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