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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main(void) {
  5. float a;
  6. float b;
  7. float c;
  8. float rp;
  9. float rn;
  10.  
  11. printf("EQUAÇÂO QUADRATICA tipo ax^2+bx+c=0");
  12. printf("Insira a coordenada para o a. %f /n");
  13. scanf("%f", &a);
  14. printf("Insira a coordenada para o b. %f /n");
  15. scanf("%f", &b);
  16. printf("Insira a coordenada para o c. %f /n");
  17. scanf("%f", &c);
  18. rp=((-b)+sqrt((b*b)-(4*a*c)))/(2*a);
  19. rn=((-b)-sqrt((b*b)-(4*a*c)))/(2*a);
  20.  
  21. printf("A variável x toma como valores: %f\n", rp ,rn)
  22.  
  23. return 0;
  24. }
  25.  
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.c: In function ‘main’:
prog.c:12:2: warning: format ‘%f’ expects a matching ‘double’ argument [-Wformat=]
  printf("Insira a coordenada para o a. %f /n");
  ^
prog.c:14:2: warning: format ‘%f’ expects a matching ‘double’ argument [-Wformat=]
  printf("Insira a coordenada para o b. %f /n");
  ^
prog.c:16:2: warning: format ‘%f’ expects a matching ‘double’ argument [-Wformat=]
  printf("Insira a coordenada para o c. %f /n");
  ^
prog.c:21:2: warning: too many arguments for format [-Wformat-extra-args]
  printf("A variável x toma como valores: %f\n", rp ,rn)
  ^
prog.c:23:2: error: expected ‘;’ before ‘return’
  return 0;
  ^
prog.c:24:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
stdout
Standard output is empty