עזרה בc

[cheapwine]

http://www.cs.biu.ac.il/~kalechm/c_04/cf2_math.rtf

זה התרגיל

זה הפתרון

אוקיי.....אני מריץ את הקודק הראשון....הוא לא טוב הוא במקום להוריד 10 מהאסקי מוריד פחות.

<sup>void code_a();
void code_b();
void code_c();
void code_d();
void decode_a();
void decode_b();
void decode_c();

int main ()
{
int codec;
char tav;

//printf("enter the codec that u want\n");
scanf("%d",&codec);
while (codec<1 || codec>8)
{
printf("Range error\n");
scanf("%d",&codec);
}
scanf("%c",&tav);
while (codec!=8)
{
switch (codec)
{
case 1
:code_a(); break;
case 2
:code_b(); break;
case 3
:code_c(); break;
case 4
:code_d(); break;
case 5
:decode_a(); break;
case 6
:decode_b(); break;
case 7
:decode_c(); break;
}
//printf("enter the codec that u want\n");
scanf("%d",&codec);
while ((codec<1) || (codec> 8))
{
printf("Range error\n");
scanf("%d",&codec);
}
scanf("%c",&tav);
}
return 0;
}

void code_a()
{
char tav;
//printf("enter the tav u want\n");
scanf("%c",&tav);
while (tav!='@')
{
if ((tav<42) && (tav>32))
{
tav='~'-(10-(tav-'!'));
printf("%c",tav);
}
else
{
if (tav<=126 && tav>=43)
{
tav=tav-10;
printf("%c",tav);
}
else
{
printf("Input error");
/* while (tav!='@')
{
scanf("%c",&tav);
}
*/ }
}
//printf("enter the tav u want");
scanf("%c",&tav);
}
printf("\n");

}
void code_b()
{

char tav;
//printf("enter the tav u want");
scanf("%c",&tav);
while (tav!='@')
{
if (tav>='A' && tav<='Z')
{
tav='Z'-tav+1;
printf("%c",tav);
}
else
{
if (tav>='a' && tav<='z')
{
tav='z'-tav+1;
printf("%c",tav);
}
else
{
printf("Input error\n");
while (tav!='@')
{
scanf("%c",&tav);
}
}
}
if (tav!='@')
{
//printf("enter the tav u want");
scanf("%c",&tav);
}
}
}
void code_c()
{

char tav;
int num,mesakem,hezka;
//printf("enter the tav u want");
scanf("%c",&tav);
while (tav!='@');
{
num=tav;mesakem=0;hezka=1;
while (num!=0);
{
mesakem += (num%8)*hezka;
hezka = hezka*10;
num=num/8;
}
printf("%d ",mesakem);
//printf("enter the tav u want");
scanf("%c",&tav);
}
}
void code_d()
{
char tav;
int num,temp,mesakem,i,azeret,mesakemm;
//printf("enter the tav u want");
scanf("%c",&tav);
mesakemm=0;
while (tav!='@')
{
num=tav;
mesakem=0;
while (num>0)
{
temp=(num%10);
azeret=1;
for (i=1;i<=temp;i++)
{
azeret=azeret*i;
}
mesakem+=mesakem*azeret;
num=(num/10);
}
mesakemm+=mesakem;
//printf("enter the tav u want");
scanf("%c",&tav);
}
printf("%d",mesakemm);
}
void decode_a()
{
char tav;
//printf("enter the tav u want");
scanf("%c",&tav);
while (tav!='@')
{
if ((tav<127) && (tav>117))
{
tav='~'+(10-(tav-'!'));
printf("%c",tav);
}
else
{
if (tav<=116 && tav>=33)
{
tav+=10;
printf("%c",tav);
}
else
{
printf("Input error\n");
while (tav!='@')
{
scanf("%c",&tav);
}
}
}
if (tav!='@')
{
//printf("enter the tav u want");
scanf("%c",&tav);
}
}
}
void decode_b()
{

char tav;
//printf("enter the tav u want");
scanf("%c",&tav);
while (tav!='@')
{
if (tav>='A' && tav<='Z')
{
tav='Z'-tav+1;
printf("%c",tav);
}
else
{
if (tav>='a' && tav<='z')
{
tav='z'-tav+1;
printf("%c",tav);
}
else
{
printf("Input error\n");
while (tav!='@')
{
scanf("%c",&tav);
}
}
}
if (tav!='@')
{
//printf("enter the tav u want");
scanf("%c",&tav);
}
}
}
void decode_c()
{
// char tav;
int hezka,mesakem,num =0;
//printf("enter the tav u want");
scanf("%d",num);
while (num!=0)
{
hezka=1;
mesakem=0;
while (num>0)
{
mesakem=mesakem+(num%10)*hezka;
hezka=hezka*8;
num=num/10;
}
printf("%c ",mesakem);
//printf("enter the tav u want");
scanf("%d",num);

}

}


תודה מראש[/left]</sup>

^[/sup]

#include <stdio.h>