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Assign Pressure Values Using a Multiway if-else Statement
% cat press_if.cpp
// assign pressure values using a multiway if-else statement
#include <iostream>
using namespace std;
int main()
{
double pressure;
int setting;
cout << "Enter the setting to assign the pressure: ";
cin >> setting;
// multiway if-else statement
if( setting == 1 )
pressure = 25.0;
else if( setting == 2 )
pressure = 35.0;
else if( setting == 3 )
pressure = 45.0;
else if ( setting == 4 || setting == 5 || setting == 6 )
pressure = 49.0;
else
{
cout << "setting must be 1-6\n";
pressure = -999.0;
}
cout << "For setting " << setting << " the
pressure is " << pressure << endl;
return 0;
}
% g++ press_if.cpp
% a.out
Enter the setting to assign the pressure: 3
For setting 3 the pressure is 45
% a.out
Enter the setting to assign the pressure: 6
For setting 6 the pressure is 49
% a.out
Enter the setting to assign the pressure: 8
setting must be 1-6
For setting 8 the pressure is -999
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