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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main()
  5. {
  6.     int a, b, c;
  7.     float delta,pierw;
  8.     float x, x1, x2;
  9.     printf("Podaj wspolczynniki rownania kwadratowego:");
  10.     scanf_s("%d%d%d", &a, &b, &c);
  11.     delta = (b * b) - (4 * a * c);
  12.     pierw = sqrt(delta);
  13.     if (a == 0) {
  14.         printf("To nie jest rownanie kwadratowe!");
  15.     }
  16.     else {
  17.     if (delta < 0) {
  18.         printf("Brak pierwiastkow!");
  19.     }
  20.     if (delta == 0) {
  21.         x = -b / (2 * a);
  22.         printf("%s %f", "Rownanie ma jedno rozwiazanie rowne:", x);
  23.     }
  24.     if (delta > 0) {
  25.         x1 = (-b + pierw) / (2 * a);
  26.         x2 = (-b - pierw) / (2 * a);
  27.         printf("Rownanie ma dwa rozwiazania:");
  28.         printf("%s %f", "x1 = ",x1);
  29.         printf("%s %f", " x2 = ",x2);
  30.  
  31.     }
  32. return 0;
  33. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments ()
stdin
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Standard input is empty
compilation info 
prog.c: In function ‘main’:
prog.c:10:5: warning: implicit declaration of function ‘scanf_s’; did you mean ‘scanf’? [-Wimplicit-function-declaration]
     scanf_s("%d%d%d", &a, &b, &c);
     ^~~~~~~
     scanf
prog.c:33:1: error: expected declaration or statement at end of input
 }
 ^
stdout
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Standard output is empty
https://ideone.com/jthTmm
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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