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# Untitled

a guest Feb 18th, 2020 87 Never
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1. #include <stdio.h>
2. #include <stdlib.h>
3.
4. int main()
5. {
6.     float a,b,c;
7.     printf("Podaj wspolczynniki rownania ax^2+bx+c=0:\n");
8.     printf("a=");
9.     scanf("%f",&a);
10.     printf("b=");
11.     scanf("%f",&b);
12.     printf("c=");
13.     scanf("%f",&c);
14.
15.     if(a == 0){
16.         if(b == 0){
17.             if(c == 0){
18.                 printf("Rownanie nieoznaczone");
19.             } else
20.                 printf("Brak rozwiazan");
21.         }
22.          else
23.             printf("Rownanie liniowe, rozwiazanie: x = %f", -1*c/b);
24.     } else {
25.         float delta = b*b-4*a*c;
26.         if(delta > 0){
27.             float x1,x2;
28.             x1 = -b-sqrt(delta) / 2*a;
29.             x2 = -b+sqrt(delta) / 2*a;
30.             printf("Pierwiastki wynosza:\nx1 = %f\nx2 = %f\n",x1,x2);
31.         } else if (delta == 0){
32.             float x;
33.             x = -b/2*a;
34.             printf("Pierwiastek wynosi:\nx = %f\n",x);
35.         } else {
36.             printf("Brak pierwiastkow");
37.         }
38.     }
39.
40.     return 0;
41. }
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