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I would like the output of the following program to show the first integer without decimals and the rest will have 4 places..the way it is written now all outputs show as 1.0000 (or something similar)
code is as follows

//Square root and cube root calculator

#include <iostream>
#include <iomanip>
#include <cmath>

using namespace std;

int main()
{
	double topnum;
	int loopcounter = 0;
	double prod;
	double root1;
	double root2;

	cout <<fixed<<setprecision(4)<<showpoint; //show decimal to 2 places
		//User input
		cout <<"This program will output a table showing the squareroot and cuberoot"<<endl;
		cout <<"up to the positive integer you give. "<<endl;
		cout <<endl;
		cout <<"Input an integer (0 or negative number will end program) ";
		cin >> topnum;
		cout <<setw(6)<<"Number"<<setw(20)<<"Square Root"<<setw(20)<<"Cube Root"<<endl;
	while ( topnum > 0 ) //Ends progeam if negative number or 0 is entered is entered
	{
		loopcounter = 0;
			while ( loopcounter < topnum ) //stops loop at user input integer
			{
				prod = loopcounter + 1;
				root1 = sqrt ( prod );
				root2 = pow ( abs ( prod ), 1.0 / 3.0 );
				
				cout <<setw(4)<<setprecision(4)<<prod<<setw(17)<<root1<<setw(20)<<root2;
				cout <<endl;
				loopcounter ++;
			}
		cout <<"Input an integer (0 or negative number will end program) ";
		cin >> topnum;

		
	}
 

system ("pause");
return 0;

}

so basically instead of
Number Square Root Cube Root
1.0000 1.0000 1.0000

I would like only the number column to be a single digit

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