practica 2

problema 1
codigo en c++

/* problema 1 practica 2 */
# include <iostream h>
# include <conio.h>

int main()
{
int a=5, m=100, n=1, p=10,R;

R=m/p+3;
cout<<"a)m/p+3= 100/10+3= "<<R<endl;

R=m/p+n-10+a;
cout<<"b)m/p+n-10+a= 100/10+1-10+5= "<<R<<endl;

R=m-3*n+4*n;
cout<<"c)m-3*n+4*n= 100-3*1+4*1= "<<R<<endl;

R=m/p+n%2;
cout<<"d)m/p+n%2= 100/10+1%2= "<<R<<endl;

R=a+n%p+p;
cout<<"d)a+n%p+p= 5+1%10+10= "<<R<<endl;

getch();

}

problema 2
codigo en c++;

/* practca 2 problema 2
Ezequiel Mendez Gonzalez
*/

#include <iostream h>
#include <conio.h>
# include <stdio.h>
#include <dos.h>

int main()
{
float x=3.0, y=6.0, z=4.0, r;

r=x+4.0*y/x;
cout<<"\t\na)x+4.0*x/y= 3.0+4.0*6.0/3.0="<<r<<endl;

r=x*z/y+x*y;
cout<<"\t\nb)x*z/y+x*y= 3.0*4.0/6.0+3.0*6.0="<<r<<endl;

r=2.0*y/z*8.0/z;
cout<<"\t\nc)2.0*y/z*8.0/z= 2.0*6.0/4.0*8.0/4.0="<<r<<endl;

r=y*y-y/2+x;
cout<<"\t\nd)y*y-y/2+x= 6.0*6.0-6.0/2+3.0="<<r<<endl;

r=x*y*z/2.0;
cout<<"\t\ne)x*y*z/2.0= 3.0*6.0*4.0/2="<<r<<endl;
 {
 struct dosdate_t d;
 _dos_getdate(&d);
 printf("\n\n  FECHA ACTUAL:   %d",d.day);
 printf(" / %d",d.month);
 printf(" / %d",d.year);
 }
getch();

}

problema 3
codigo en c++;

/* Practica 2 porblema 3
Ezequiel Mendez Gonzalez */
#include <iostream h>
#include <conio.h>
# include <stdio.h>
# include <dos.h>


int main()
{
int x=6, y=2;
float  z=16.0, r;

r=10+z/y*y;
cout<<"\t\na)10+z/y*y= 10+16.0/2*2= "<<r<<endl;

r=50.0-x/(y+x);
cout<<"\t\nb)50.0-x/(y+x)= 50.0-6/(2+6)= "<<r<<endl;

r=1+36/x+z;
cout<<"\t\nc)1+36/x+z= 1+36/6+16.0= "<<r<<endl;

r=20+z*4/y+10.0;
cout<<"\t\nd)20+z*4/y+10.0= 20+16.0*4/2+10.0= "<<r<<endl;

r=x*x+z/y+(18*y);
cout<<"\t\ne)x*x+z/y+(18*y)=6*6+16.0+(18*2)="<<r<<endl;


 {
 struct dosdate_t d;
 _dos_getdate(&d);
 printf("\n\n  FECHA ACTUAL:   %d",d.day);
 printf(" / %d",d.month);
 printf(" / %d",d.year);
 }
getch();
}

problema 4

problema 5

problema 6

problama 7
codigo en c++

/* prcatica 2 problema 7
Ezequiel Mendez & Walter Riedel
porgrame que se inicialize con una variable hora */
#include <iostream.h>
#include <conio.h>
void main()
{
int n=0, dia=24,min=60,seg=60;
cout<<" ingrese el total de horas  = ";
cin>>n;
dia=n/24;
cout<<"total de dias = "<<dia<<endl;
min=n*60;
cout<<" total en minutos = "<<min<<endl;
seg=n*60*60;
cout<<" total en segundos = "<<seg<<endl;

getch();
}