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a guest Jan 25th, 2020 61 Never
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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <math.h>
  4.  
  5. int main()
  6. {
  7.    char a = 'y';
  8.  
  9.  
  10.    int i = 0, d =0  ;
  11.    float x1 = 0, x2 = 0, x3 = 0;
  12.    int tab[2]={0};
  13.    do{
  14.    printf("Podaj wspolczynniki a,b i c trojmianu kwadratowego po spacji:");
  15.    for(i = 0;i<3;i++)
  16.    {
  17.        scanf("%d", &tab[i]);
  18.     }
  19.  
  20.     d=pow(tab[1],2)-4*tab[0]*tab[2];
  21.     if(d>0)
  22.     {
  23.      x1=(-tab[1]-sqrt(d))/(2*tab[0]);
  24.      x2=(-tab[1]+sqrt(d))/(2*tab[0]);
  25.      printf("X1: %f  X2: %f", x1, x2);
  26.     }
  27.     else if(d==0)
  28.     {
  29.       x3 = (-tab[1])/(2*tab[0]);
  30.       printf("X1 = X2 = %f", x3);
  31.     }
  32.     else printf("brak rozwiazan");
  33.  
  34.     printf("\nPonowic?(y,n)?:");
  35.     scanf("%c",a);
  36.  
  37.    }while(a=='y');
  38.     return 0;
  39.  
  40. }
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