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  1. #include <stdio.h>
  2. #include <conio.h>
  3.  
  4. #pragma warning(disable:4996)
  5. #ifndef __CHARCODES__
  6. #define __CHARCODES__
  7. #define INT_UPPER_BOUND       1001
  8. #define INT_LOWER_BOUND       -1001
  9. #define VOODOO       -1024
  10. #define ZERO       0
  11. #define MOD       5
  12. #endif
  13.  
  14. int main() {
  15.     // initialize your variables...
  16.     int int1;
  17.     int int2;
  18.     double sol;
  19.     char opr;
  20.     char sym;
  21.     int typeCode = -1;
  22.     //int1 prompt
  23.     printf("Please enter a number between -1000 and 1000:\n");
  24.     scanf("%d", &int1);
  25.     rewind(stdin);
  26.         //input parameters
  27.     while (int1 <= INT_LOWER_BOUND || int1 >= INT_UPPER_BOUND) {
  28.         printf("Yikes, why don't you try that again?\n\nPlease enter a number between -1000 and 1000:\n");
  29.         scanf("%d", &int1);
  30.         rewind(stdin);
  31.     }
  32.     //int2 prompt
  33.     printf("Please enter another number between -1000 and 1000:\n");
  34.     scanf("%d", &int2);
  35.     rewind(stdin);
  36.         //input parameters
  37.     while (int2 != VOODOO && int2 <= INT_LOWER_BOUND || int2 >= INT_UPPER_BOUND) {
  38.         printf("Yikes, why don't you try that again?\n\nPlease enter a number between -1000 and 1000:\n");
  39.         scanf("%d", &int2);
  40.         rewind(stdin);
  41.     }
  42.         //voodoo
  43.     while (int2 == VOODOO) {
  44.         printf("How did I know you would type 'negative one thousand and twenty four?'\n*tsk* *tsk* *tsk*\nNow why don't you try using a valid input?\n");
  45.         scanf("%d", &int2);
  46.         rewind(stdin);
  47.     }
  48.         //NO zeros!
  49.     while (int2 == ZERO) {
  50.         printf("No zeros allowed! Try that again:\n");
  51.         scanf("%d", &int2);
  52.         rewind(stdin);
  53.     }
  54.     //operator prompt
  55.     printf("Choose an operation: (1 - 5)\n\n 1 : +\n 2 : -\n 3 : *\n 4 : /\n 5 : %%\n\n");
  56.     scanf("%c", &opr);
  57.     rewind(stdin);
  58.     while (opr >= '6' || opr <= '0') {
  59.         printf("Why don't you try using a valid input?\n");
  60.         scanf("%c", &opr);
  61.         rewind(stdin);
  62.     }
  63.     //Operator selection logic
  64.     switch (opr) {
  65.     case '1':
  66.         sym = '+';
  67.         sol = int1 + int2;
  68.         break;
  69.     case '2':
  70.         sym = '-';
  71.         sol = int1 - int2;
  72.         break;
  73.     case '3':
  74.         sym = '*';
  75.         sol = int1 * int2;
  76.         break;
  77.     case '4':
  78.         sym = '/';
  79.         sol = (double) int1 / int2;
  80.         break;
  81.     case '5':
  82.         sym = '%';
  83.         sol = int1 % int2;
  84.         break;
  85.     }
  86.     //output
  87.     printf("Here is your problem and its solution:\n\n            %d %c %d = %4f\n\n                         ...press any key to exit", int1, sym, int2, sol);
  88.     _getch();
  89.     return 0;
  90. }
  91.  
  92. // answer the focus question
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