igen!

Így néz ki a progi:

#include<stdio.h>
#include<stdlib.h>
#include<ctype.h>


int getline(char s[],int lim){
int i,c;
for (i=0;i<lim && (c=getchar())!=EOF && c!='\n';++i)
s[i]=c;
s[i]='\0';
while (c!=EOF && c!='\n')
c=getchar();
return (i);
}

int lebege(char s[]){
int i=0, kezd;
while(isspace(s[i])) ++i;
if(s[i]=='+'||s[i]=='-') ++i;
kezd=i;
while(isdigit(s[i])) ++i;
if(s[i]=='.') ++i;
while(isdigit(s[i])) ++i;
if(i==kezd||kezd+1==i&&s[kezd]=='.') return 0;
if(toupper(s[i])=='E'){
++i;
if(s[i]=='+'||s[i]=='-')++i;
if(!isdigit(s[i])) return 0;
while(isdigit(s[i])) ++i;}
if(isspace(s[i])||!s[i]) return 1;
else return 0;
}


void main (void)
{
float r,T,K;
float pi=3.14;
char s[24];
int ok=1;
do
{
ok=1;
printf("Adja meg a kor sugarat!\n\n");
if(!getline (s,25))
{
printf("Üres sort adtal meg!\n\n");
ok=0;
}
else
{
if(!lebege(s))
{
printf("Nem lebegopontos a megadott szam!\n");
ok=0;
}
else
r=atof(s);
}
}while(ok==0);

K=2*r*pi;
T=r*r*pi;
printf("\nA kor kerulete: %.2f\n\nA kor terulete: %.2f\n\n",K,T);
getch();
}

[ Szerkesztve ]

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