Problemas secuenciales.

ESTRUCTURA SECUENCIAL
1°
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package problema.nº2;
import java.io.*;
/**
*
* @author ERIKA */
public class ProblemaNº1 {
/**
* @param args the command line arguments
*/
public static void main(String[] args) throws IOException {
int n1,n2,s;
BufferedReader in =new BufferedReader(new
InputStreamReader(System.in));
System.out.println("numero 1:");
n1 = Integer.parseInt(in.readLine());
s=n1+n2;
System.out.println("");
System.out.println("suma: " +s);
}
}

2°
/*
*/
package problema3;
import java.io.*;
/**
*
* @author ERIKA
*/
public class Problema2 {
/**
*/
public static void main(String[] args)throws IOException {
//varible
int n1,n2,c,r;
//proceso
c=n1/n2;
r=n1%n2;
//salida
System.out.println("cociente: " +c);
System.out.println("residuo: " +r);
// TODO code application logic here
}
}

3°
/*
*/
package problema.pkg4;
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
//variable
float vv,igv,pv;
//entrada
System.out.println("valor de venta:");
vv =Float.parseFloat(in.readLine());
//proceso
igv = vv *0.18f;
pv = vv+ igv;
//salida
System.out.println("igv: " +igv);
System.out.println("precio de venta: " +pv);
}
}

4°
/*
*/
package problema04;
import java.io.*;
/**
*
* @author ERIKA
*/
public class PROBLEMA04 {
/**
*/
short n,r;
int a;
System.out.println("a: ");
a=Integer.parseInt(in.readLine());
System.out.println("n: ");
n=Short.parseShort(in.readLine());
r=(short)Math.pow((double)a, (1/(double)n));
System.out.println("Radicación: "+r);
}
}

5°
/*
*/
package problema05;
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
short n,r;
int a;
System.out.println("n: ");
n=Short.parseShort(in.readLine());
r=(short)Math.pow((double)a, (1/(double)n));
System.out.println("Radicación: "+r);
}
}

6°
/*
*/
package problema06;
import java.io.*;
/**
*
* @author RODRIGO
*/
/**
*/
int n, ni, r;
System.out.println("Número: ");
n=Integer.parseInt(in.readLine());
r=n%10;
n=n/10;
ni=r*10;
r=n%10;
n=n/10;
ni=(ni+r)*10;
r=n%10;
n=n/10;
ni=(ni+r)*10;
r=n%10;
n=n/10;
ni=(ni+r)*10;
ni=ni+n;
System.out.println("Inverso: " + ni);
}
}

7°
/*
*/
package problema07;
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
int n,s;
s=(n*(n+1))/2;
System.out.println("Suma: " + s);
}
}

8°
/*
*/
package problema8;
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
float c, r, t, i, m;
System.out.println("Capital: ");
c=Float.parseFloat(in.readLine());
System.out.println("Tasa de interes: ");
r=Float.parseFloat(in.readLine());
System.out.println("Tiempo: ");
t=Float.parseFloat(in.readLine());
m=(float)(Math.pow((double)(1+r/100),(double)t))*c;
i=m-c;
System.out.println("Interes: " + i);
System.out.println("Monto: " + m);
}
}

9°
/*
*/
package problema9;
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
//const float PI = 3.14159F;
final float PI=3.14159f;
float a,r;
System.out.println("Radio: ");
r=Float.parseFloat(in.readLine());
a=(float)(PI*(Math.pow((double)r, 2.0)));
System.out.println("Área: "+a);
}
}

10°
/*
*/
package problema10;
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
final int HORA=3600;
final int MINUTO=60;
int t,h,m,s;
BufferedReader in =new BufferedReader(new InputStreamReader(System.in));
System.out.println("Tiempo en segundos: ");
t=Integer.parseInt(in.readLine());
h=t/HORA;
//t=t%HORA;
m=t/MINUTO;
s=t;
System.out.println("Horas: "+h);
System.out.println("Minutos: "+m);
System.out.println("Segundos: "+s);
}
}

11°
/*
*/
package problema11;
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
int a,b,n1,n2;
System.out.println("Número1: ");
System.out.println("Número2: ");
b=Integer.parseInt(in.readLine());
n1=a+b;
n2=a-b;
System.out.println("Suma: " + n1);
System.out.println("Resta: " + n2);
}
}

12°
/*
*/
package problema012;
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
public static void main(String[] args) throws IOException{
int n;
String r = "";
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
n=(int)Integer.parseInt(in.readLine());
if (n>0)
{
r="POSITIVO";
}
if (n<0)
{
r="NEGATIVO";
}
if(n==0)
{
r="NEUTRO";
}
System.out.println("Resultado: "+r);
}
}

13°
/*
*/
import java.util.Scanner;
/**
*
* @author ERIKA
*/
/**
*/
public static void main(String[] args) {
char c;
//String r="";
System.out.println("Caracter");
Scanner teclado=new Scanner(System.in);
c=teclado.next().charAt(0);
if(c=='a'||c=='e'||c=='i'||c=='o'||c=='u'||c=='A'||c=='E'||c=='I'||c=='O'
||c=='U'){
//r="es vocal";}
System.out.println("ES VOCAL");
} else{
//r="no es vocal"; }
System.out.println("NO ES VOCAL");
}//System.out.println("la letra ingresada "+r);
}
}

14°
/*
*/
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
int n;
String r;
System.out.println("Numero: ");
if(n%3==0 && n%5==0)
{
r="SÍ ES MÚLTIPLO DE 3 Y 5";
}
else
{
r="NO ES MÚLTIPLO DE 3 Y 5";
}
System.out.println("Resultado:" + r);
System.out.println();
}
}

15°
/*
*/
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
int n;
String r;
if(n%2==0)
{
r= "PAR";
}
else
{
r= "IMPAR";
}
System.out.println("Resultado: " + r);
}
}

16°
/*
*/
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
int n1,n2,n3,m;
System.out.println("Número 1: ");
n1= Integer.parseInt(in.readLine());
n2=Integer.parseInt(in.readLine());
if (n1>n2)
{
if(n1>n3)
{
m=n1;
}
else
{
m=n3;
}
}
else
{
if(n2>n3)
{
m=n2;
}
else
{
m=n3;
}
}
System.out.println("Mayor: " +m);
}
}

17°
/*
*/
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
int n,r;
n = Integer.parseInt(in.readLine());
if (!(n%2==0))
{
r=n*2;
}
else
{
r=n*3;
}
System.out.println("Resultado: " + r);
}
}

18°
/*
*/
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
int n1, n2, n3, mayor, inter, menor;
n2=Integer.parseInt(in.readLine());
if(n1 > n2 && n1 > n3)
{
mayor=n1;
}
else
{
if (n2 > n1 && n2> n3)
{
mayor=n2;
}
else
{
mayor=n3;
}
}
if(n1 < n2 && n1 < n3)
{
menor=n1;
}
else
{
if (n2 < n1 && n2 < n3)
{
menor=n2;
}
else
{
menor=n3;
}
}
inter=(n1 + n2 + n3)- (mayor + menor);

System.out.println("Mayor:" + mayor);
System.out.println("Inter:" + inter);
System.out.println("Menor:" + menor);
}
}
19°
/*
*/
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
public static void main(String[] args)throws IOException{
final float D1=0.1F;
final float D2=0.2F;
final float IGV=0.18F;
float c,m_d, m_igv, p;
System.out.println("Consumo: ");
c=(float)Integer.parseInt(in.readLine());
if(c<=100)
{
m_d=c * D1;
}
else
{
m_d=c * D2;
}
m_igv=(c-m_d) * IGV;
p= c - m_d + m_igv;
System.out.println("Monto descuento: " + m_d);
System.out.println("Impuesto IGV: " + m_igv);
System.out.println("Importe a pagar: " + p);
}
}

20°
/*
*/
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
final float D1 = 0.1F;
final float IGV = 0.18F;
float c, m_d, m_igv, p;
System.out.println("Consumo: ");
c=(float)Integer.parseInt(in.readLine());
if(c>200)
{
m_d=c*D3;
}
else
{
if(c>100)
{
m_d=c*D2;
}
else
{
m_d=c*D1;
}
}
m_igv=(c-m_d) * IGV;
p=c-m_d+m_igv;
System.out.println("Monto descuento: " + m_d);
System.out.println("Impuesto IGV: " + m_igv);
System.out.println("Importe a pagar: " + p);
}
}

21°
/*
*/
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
int t;
String c;
System.out.println("Temperatura: ");
t = Integer.parseInt(in.readLine());
if (t<10)
{
c="FRIO";
}
else
{
if (t>9 && t<21)
{
c="NUBLADO";
}
else
{
if (t>=21 && t<=30)
{
c="CALOR";
}
else
{
c="TROPICAL";
}
}
}
System.out.println("Clima: " + c);
}
}

22°
/*
*/
import java.util.Scanner;
/**
*
* @author ERIKA
*/
/**
*/
public static void main(String[] args){
Scanner in =new Scanner(System.in);
final float DESC_G = 0.15F;
final float DESC_A = 0.2F;
final float REC_G = 0.1F;
final float REC_A = 0.05F;
//variables
float mc, m, tp;
//char tc,fp;
String r ;
String tc;
String fp;
System.out.println("Monto de compra: ");
mc=in.nextFloat();
System.out.println("Tipo de cliente: ");
tc =in.next();
System.out.println("Forma de pago: ");
fp=in.next();
if(tc=="G")
{
if(fp=="C")
{
m = mc * DESC_G;
tp = mc - m;
r = "DESCUENTO 15%";
}
else
{
m = mc * REC_G;
tp = mc + m;
r = "RECARGO 10%";
}
}
else
{
if (fp=="C")

{
m = mc * DESC_A;
tp = mc - m;
r = "DESCUENTO 20%";
}
else
{
m= mc * REC_A;
tp = mc + m;
r = "RECARGO 5%";
}
}
System.out.println(r + ": "+m);
System.out.println("Total a pagar: " + tp);
}
}

23°
/*
*/
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
float a,b,x;
a=Float.parseFloat(in.readLine());
System.out.println("b: ");
b=Float.parseFloat(in.readLine());
if(a!=0)
{
x=-b/a;
}
else
{
x=0;
}
System.out.println("x: " + x);
}
}

24°
/*
*/
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
double a,b,c,d,x1,x2;
a=(double) Integer.parseInt(in.readLine());
System.out.println("b: ");
b=(double)Integer.parseInt(in.readLine());
System.out.println("c: ");
c=(double) Integer.parseInt(in.readLine());
d = Math.pow(b,2)-4*c;
if(a!=0 && d>=0)
{
x1 = (-b+Math.pow(d,(1.0/2)))/2*a;
x2 = (-b-Math.pow(d,(1.0/2)))/2*a;
}
else
{
x1 = 0;
x2 = 0;
}
System.out.println("x1: " + x1);
System.out.println("x2: " + x2);
}
}

25°/*
*/
import java.io.*;
/**
*
* @author ERIKA
*/
/**
*/
int h,m,s;
System.out.println("Hora: ");
h= Integer.parseInt(in.readLine());
System.out.println("Minuto: ");
m=Integer.parseInt(in.readLine());
System.out.println("Segundo: ");
s= Integer.parseInt(in.readLine());
s+=1;
if (s==60)
{
s=0;
m+=1;
if(m==60)
{
m=0;
h+=1;
if(h==24)
{
h=0;
}
}
}
System.out.println("Hora: " + h);
System.out.println("Minuto: " + m);
System.out.println("Segundo: " + s);
}
}

Problemas secuenciales.

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Problemas secuenciales.