Lösungen zu Blatt 5 - Schulportal Bremerhaven

Lösungen zu Blatt 5
//Aufgabe 5.1
#include <stdio.h>
#include <stdlib.h>
int main()
{
int i,p,n;
n=2;
p=3;
for(i=0;i<n;++i)
p+=p;
printf("p = %i",p);
}
-------------------------------------------------------------------------------------------------------------------------------------------------/Aufgabe 5.2
#include <stdio.h>
#include <stdlib.h>
int main()
{
int i;
for(i=0;i<10;++i)
printf("%i ",++i);
}
-------------------------------------------------------------------------------------------------------------------------------------------------//Aufgabe 5.3
#include <stdio.h>
#include <stdlib.h>
int main()
{
int i;
for(i=0;i<13;++i)
if (!(i%4))
printf("%i ",i+1);
}
-------------------------------------------------------------------------------------------------------------------------------------------------//Aufgabe 5.4
#include <stdio.h>
#include <stdlib.h>
int main()
{
int i;
i=0;
do
{
printf("%i ",i);
i+=1;
}
while(i<=10);
printf("\n\n");
for(i=0;i<=10;i++)
printf("%i ", i);
}
//Aufgabe 5.6
#include <stdio.h>
#include <stdlib.h>
int main()
{
int x,y;
for (x=1; x<6; x = x+1)
{
for (y=2; y<=4; y = y+1)
{
printf("Hello World!
}
printf("\n");
}
return 0;
}
");
-------------------------------------------------------------------------------------------------------------------------------------------------//Aufgabe 5.7
#include <stdio.h>
#include <stdlib.h>
int main()
{
int i,erg,n;
n=6;
erg=0;
for(i=1;i<=n;i=i+2)
{
erg=erg+i;
}
printf("\nAlle ungeraden Zahlen bis %i ergeben %i\n\n",n,erg);
//dasselbe mit while-Schleife
erg=0;
i=1;
while(i<=n)
{
erg=erg+i;
i+=2;
}
printf("\nAlle ungeraden Zahlen bis %i ergeben %i\n\n",n,erg);
return 0;
}
-------------------------------------------------------------------------------------------------------------------------------------------------//Aufgabe 5.8
# include <stdio.h>
main ()
{
int zeile , spalte ;
for ( zeile =20; zeile >= 1; zeile =zeile -1)
{
for ( spalte =1; spalte <= zeile ; spalte = spalte +1)
printf ("*");
printf ("\n");
}
for (zeile=1;zeile<=20;zeile++)
{
for ( spalte =1; spalte <= zeile ; spalte = spalte +1)
printf ("*");
printf ("\n");
}
}
//Aufgabe 5.9
#include <stdio.h>
#include <stdlib.h>
int main()
{
int i,n,erg;
erg=1;
printf("Bitte eine natuerliche Zahl eingeben: ");
scanf("%i",&n);
for(i=1;i<=n;i++)
{
erg=erg*i;
}
printf("\n\n%i\! = %i\n\n",n,erg);
return 0;
}