These are notes from 23 September.
// A2 solution, Chris League
#include <iostream>
using namespace std;
int main()
{
double distance;
int choice;
cout << "Enter distance: ";
cin >> distance;
cout << "Select unit for that distance:\n1. meters\n";
cout << "2. kilometers\n3. miles\n4. yards\n";
cout << "Enter choice: ";
cin >> choice;
if(choice == 1) // meters
{
cout << distance << " meters is:\n";
cout << " " << distance/1000 << " km\n";
cout << " " << distance * 0.00062137 << " miles\n";
cout << " " << distance * 1.0936 << " yards\n";
}
if(choice == 2) // km
{
cout << distance << " kilometers is:\n";
cout << " " << distance*1000 << " m\n";
cout << " " << distance * 0.62137 << " miles\n";
cout << " " << distance * 1093.6 << " yards\n";
}
if(choice == 3) // miles
{
cout << distance << " miles is:\n";
cout << " " << distance * 1.609 << " km\n";
cout << " " << distance * 1609 << " meters\n";
cout << " " << distance * 1760 << " yards\n";
}
if(choice == 4) // yards
{
cout << distance << " yards is:\n";
cout << " " << distance * 0.0009144 << " km\n";
cout << " " << distance / 1760 << " miles\n";
cout << " " << distance / 1.0936 << " meters\n";
}
}
// A2 solution, better version. Chris League
#include <iostream>
using namespace std;
int main()
{
double distance;
int choice;
cout << "Enter distance: ";
cin >> distance;
cout << "Select unit for that distance:\n1. meters\n";
cout << "2. kilometers\n3. miles\n4. yards\n";
cout << "Enter choice: ";
cin >> choice;
// standard format will be meters
if(choice == 1) // m
{
cout << distance << " meters is:\n";
}
if(choice == 2) // km
{
cout << distance << " kilometers is:\n";
distance = distance * 1000;
}
if(choice == 3) // miles
{
cout << distance << " miles is:\n";
distance = distance * 1609.34;
}
if(choice == 4) // yards
{
cout << distance << " yards is:\n";
distance = distance * 0.9144;
}
// NOW I know that distance in meters.
if(choice != 1)
{
cout << " " << distance << " meters\n";
}
if(choice != 2)
{
cout << " " << distance/1000 << " kilometers\n";
}
if(choice != 3)
{
cout << " " << distance*0.00062137 << " miles\n";
}
if(choice != 4)
{
cout << " " << distance/1.0936 << " yards\n";
}
return 0;
}
#include <iostream>
using namespace std;
int main()
{
int x, y;
cout << "Enter two integers: ";
cin >> x >> y;
if(x < 5)
{
if(y > 2)
{
cout << "C";
}
else
{
cout << "D";
}
cout << "B";
}
else
{
cout << "A";
if(y > 9)
{
cout << "E";
}
}
}
#include <iostream>
using namespace std;
int main()
{
// 0=Sunday, 1=Monday, 2=Tuesday, ...
int dow;
cout << "Enter day of week (0-6): ";
cin >> dow;
// if(dow == 0) {
// cout << "Sunday\n";
// }
// else if(dow == 1) {
// cout << "Monday\n";
// }
// else if(dow == 2) {
// cout << "Tuesday\n";
// }
switch(dow)
{
case 0:
cout << "Sunday\n";
break;
case 1:
cout << "Monday\n";
break;
case 2:
cout << "Tuesday\n";
break;
default:
cout << "UNKNOWN DAY\n";
}
}
#include <iostream>
using namespace std;
int main()
{
int x;
cout << "Enter integer: ";
cin >> x;
cout << x;
switch(x)
{
case 1: case 21: case 31:
cout << "st";
break;
case 2: case 22:
cout << "nd";
break;
case 3: case 23:
cout << "rd";
break;
default: cout << "th";
}
cout << "\n";
return 0;
}