Krugovi

#include <stdio.h>
#include <math.h>


float duzina(float, float);


int main(int argc, char **argv)
{
FILE *fp, *ffpp;
int br=0;
float x,y,r;

fp=fopen("krugovi.dat", "r");
if (fp==NULL) {
printf("Nem're otvor't citanku!\n");
getchar();
return 0;
}
else {
printf("Utvorio citanku!\n");
ffpp=fopen("rezultat.txt", "w");
if (ffpp==NULL) {
printf("Nem're otvor't pisaljku!\n");
getchar();
return 0;
}
else {
printf("Otvorio pisaljku!\n");
while(!feof(fp)) {
fscanf(fp, "(%f,%f,%f)\n", &x, &y, &r);
if(duzina(x,y)>r)
br++;
}
fprintf(ffpp, "Trazeni broj krugova je: %d\n", br);

fflush(ffpp);
rewind(fp);

while(!feof(fp)) {
fscanf(fp, "(%f,%f,%f)\n", &x, &y, &r);
if(duzina(x,y)>r)
fprintf(ffpp, "(%.2f,%.2f,%.2f)\n", x, y, r);
}
fclose(fp);
printf("Zatvorio citanku!\n");
}
fclose(ffpp);
printf("Zatvorio pisaljku!\n");
}
getchar();
return 0;
}


float duzina(float x, float y) {
return (sqrt(x*x + y*y));
}