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- /* webmail Zadatak_1*/
- #include <stdio.h>
- #define BR_EL 99
- double Determ (double a, double b, double c)
- {
- return b * b - 4.0 * a * c;
- }
- int main ()
- {
- double niz [BR_EL];
- int a, n;
- /* Label tj. tacka u kôdu odakle mozemo nastaviti */
- UNOS:
- printf ("Unesite koliko zelite brojeva [3, 99], mora biti djeljivo sa 3: ");
- scanf ("%i", &n);
- if (n < 3 || n > 99 || n % 3 != 0)
- {
- printf ("\tUnos pogresan!\n");
- goto UNOS; /* Vracamo se na liniju prije 'printf'-a */
- }
- for (a = 0; a < n; ++a)
- {
- printf ("Unesite %i. broj: ", a + 1);
- scanf ("%lf", &niz[a]);
- }
- for (a = 0; a < n / 3; ++a) /* n/3 je determinanti */
- {
- int korak = n / 3;
- double A, B, C;
- A = niz[a];
- B = niz[a + korak];
- C = niz[a + 2 * korak];
- double D = Determ (A, B, C);
- printf ("Determinanta: b^2-4ac za A: %-5.2f B: %-5.2f C: %-5.2f iznosi D = %-5.2f\n", A, B, C, D);
- }
- return 0;
- }
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