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Sep 22nd, 2017
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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <unistd.h>
  4.  
  5. int main(){
  6.  
  7. float base = -1;
  8.  
  9. while(base < 0){
  10. printf("#################################################");
  11. printf("\n# #");
  12. printf("\n# Area e Perimetro del Quadrato #");
  13. printf("\n# #");
  14. printf("\n#################################################");
  15. printf("\nValore della base: ");
  16. scanf("%f", &base);
  17. }
  18.  
  19. { if(base < 0)
  20. printf("\nDeve essere un numero positivo\n");
  21. getch();
  22. system("cls");
  23. }
  24.  
  25.  
  26.  
  27. char scelta;
  28. printf("\nChe cosa vuoi fare? (A: Calcolo area; B: calcolo perimetro)");
  29. scanf("%s", &scelta);
  30. float area, perimetro;
  31. switch (scelta){
  32.  
  33. case 'A' :
  34. area = (base * base);
  35. printf("Area : %f", area);
  36. break;
  37. case 'a' :
  38. area = (base * base);
  39. printf("Area : %f", area);
  40. break;
  41.  
  42. case 'B' :
  43. perimetro = (base * 4);
  44. printf("Perimetro : %f", perimetro);
  45. break;
  46. case 'b' :
  47. perimetro = (base * 4);
  48. printf("Perimetro : %f", perimetro);
  49. break;
  50.  
  51. default :
  52. printf("Non faccio nulla");
  53. }
  54.  
  55. getch();
  56.  
  57. }
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