Find the perimeter of a rectangle.
Input.
Two positive integers a and b (1 ≤ a, b ≤ 1000)
– the sides of the rectangle.
Output.
Print the perimeter of the rectangle.
|
Sample input |
Sample output |
|
3 4 |
14 |
geometry
The perimeter of a rectangle with sides a and b
is 2 * (a + b).
Read the sides of the rectangle.
scanf("%d
%d",&a,&b);
Compute and print the
perimeter of the rectangle.
p = (a + b) * 2;
printf("%d\n",p);
Algorithm implementation – class
#include <stdio.h>
class Rectangle
{
public:
int x, y;
Rectangle(int x, int y) : x(x), y(y) {}
int
Perimeter(void)
{
return 2 * (x +
y);
}
};
int x, y;
int main(void)
{
scanf("%d
%d", &x, &y);
Rectangle a(x, y);
printf("%d\n",
a.Perimeter());
return 0;
}
Java implementation
import java.util.*;
public class Main
{
public static void
main(String[] args)
{
Scanner con = new
Scanner(System.in);
int x = con.nextInt();
int y = con.nextInt();
int p = 2 * (x + y);
System.out.println(p);
con.close();
}
}
Java implementation – class
import java.util.*;
class Rectangle
{
int a, b;
Rectangle(int a, int b)
{
this.a = a;
this.b = b;
}
public int
Perimeter()
{
return 2 * (a + b);
}
};
public class Main
{
public static void
main(String[] args)
{
Scanner con = new
Scanner(System.in);
int a = con.nextInt();
int b = con.nextInt();
Rectangle r = new
Rectangle(a,b);
System.out.println(r.Perimeter());
con.close();
}
}
Java implementation – class +
MyInteger
import java.util.*;
class MyInteger
{
private int a;
MyInteger(int a)
{
this.a = a;
}
MyInteger
Add(MyInteger b)
{
return new
MyInteger(a + b.a);
}
MyInteger
Mult(MyInteger b)
{
return new
MyInteger(a * b.a);
}
MyInteger Mult(int b)
{
return new
MyInteger(a * b);
}
public String
toString()
{
return String.valueOf(a);
}
}
class Rectangle
{
MyInteger a, b;
Rectangle(MyInteger a,
MyInteger b)
{
this.a = a;
this.b = b;
}
public MyInteger
Perimeter()
{
return a.Add(b).Mult(2);
}
};
public class Main
{
public static void
main(String[] args)
{
Scanner con = new
Scanner(System.in);
MyInteger a = new
MyInteger(con.nextInt());
MyInteger b = new
MyInteger(con.nextInt());
Rectangle Rect = new
Rectangle(a,b);
System.out.println(Rect.Perimeter());
con.close();
}
}
Python implementation
Read the sides of the rectangle.
a, b = map(int, input().split())
Compute and print the perimeter of the rectangle.
p = (a + b) * 2
print(p)