Progamas En Ready To Program

Practica de algoritmos
1.-

import java.io.*;
public class AREACIRCUNFERENCIA
{
public static void main (String[] args) throws IOException
{
double d,r,a,p;
BufferedReader e=new BufferedReader(new InputStreamReader(System.in));
d=Integer.parseInt(e.readLine());
r=Integer.parseInt(e.readLine());
p=d*3.1416;
a=r*r*3.1416;System.out.print(p);
System.out.print(a);

System.in.read();

}
}

2.-

import java.io.*;
public class AREACUADRADO
{
public static void main (String[] args) throws IOException
{
int A,a,P;
BufferedReader e=new BufferedReader(new InputStreamReader(System.in));
a=Integer.parseInt(e.readLine());
P=4*a;
A=a*a;System.out.print(P);
System.out.print(A);
System.in.read();

}
}

3.-
import java.io.*;
public class TRIANGULO
{
public static void main (String[] args) throws IOException
{
int a,b,c,al,ba,P,A;
BufferedReader e=new BufferedReader(new InputStreamReader(System.in));
a=Integer.parseInt(e.readLine());b=Integer.parseInt(e.readLine());
c=Integer.parseInt(e.readLine());
al=Integer.parseInt(e.readLine());
ba=Integer.parseInt(e.readLine());
P=a+b+c;
A=(ba*al)/2;
System.out.print(P);
System.out.print(A);
System.in.read();

}
}

4.-
import java.io.*;
public class ROMBO
{
public static void main (String [] args) throwsIOException
{
int D, d, L, A, P;
BufferedReader e = new BufferedReader (new InputStreamReader (System.in));
D = Integer.parseInt (e.readLine ());
d = Integer.parseInt (e.readLine ());
L = Integer.parseInt (e.readLine ());
A = (D * d) / 2;
P = 4 * L;
System.out.print (A);
System.out.print (P);
System.in.read();

}
}

5.-
import java.io.*;
public class PARALELOGRAMO
{
public static void main (String [] args) throws IOException
{
int a,b,c,P,A;
BufferedReader e = new BufferedReader (new InputStreamReader (System.in));
a=Integer.parseInt (e.readLine ());
b=Integer.parseInt (e.readLine ());
c=Integer.parseInt (e.readLine ());A = 2*(b+c);
P = b*a;
System.out.print (A);
System.out.print (P);
System.in.read ();

}
}

6.-
import java.io.*;
public class TRAPECIO
{
public static void main (String [] args) throws IOException
{
int A,b,a,P,B,c,d;
BufferedReader e = new BufferedReader (new InputStreamReader (System.in));B=Integer.parseInt (e.readLine ());
b=Integer.parseInt (e.readLine ());
a=Integer.parseInt (e.readLine ());
c=Integer.parseInt (e.readLine ());
d=Integer.parseInt (e.readLine ());
A = ((B+b)/2)*a;
P = B+b+c+d;
System.out.print (A);
System.out.print (P);
System.in.read ();

}
}

7.-
import java.io.*;
public class TRAPEZOIDE{
public static void main (String [] args) throws IOException
{
int BM,BME,AL,a,b,c,d,P,A;
BufferedReader e = new BufferedReader (new InputStreamReader (System.in));
a=Integer.parseInt (e.readLine ());
b=Integer.parseInt (e.readLine ());
c=Integer.parseInt (e.readLine ());
d=Integer.parseInt (e.readLine ());BM=Integer.parseInt (e.readLine ());
BME=Integer.parseInt (e.readLine ());
AL=Integer.parseInt (e.readLine ());
A = (((BM+BME)*AL)/2)*a;
P = a+b+c+d;
System.out.print (A);
System.out.print (P);
System.in.read ();

}
}

8.-
import java.io.*;
public class CUBO
{
public static void main (String [] args) throws IOException
{...