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Nov 29th, 2015
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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <time.h>
  4. #include <signal.h>
  5. #include <unistd.h>
  6.  
  7. int jo=0, rossz=0;
  8.  
  9. void vege (int s){
  10. printf("Jo valaszok szama: ",jo);
  11. printf("Rossz valaszok szama: ",rossz);
  12. }
  13.  
  14. int main()
  15. {
  16. srand(time(NULL));
  17. int tipp, eredmeny;
  18. int a,b;
  19.  
  20. while(1){
  21.  
  22. a = (rand ()%101);
  23. b = (rand ()%101);
  24. fprintf(stdout,"%d+%d=?\n",a,b);
  25. signal(SIGALRM,vege);
  26. alarm(12);
  27. eredmeny = a+b;
  28. fprintf(stdout,"Tipp: ");
  29. fscanf(stdin,"%d",&tipp);
  30.  
  31. if (tipp == eredmeny){
  32. printf("\nJo a megoldas!\n\n");
  33. jo++;
  34. }
  35. else {
  36. printf("\nRossz a megoldas!\n\n");
  37. rossz++;
  38. }
  39. }
  40. return 0;
  41. }
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