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  1. #include <stdlib.h>
  2. #include <stdio.h>
  3. #include <string.h>
  4.  
  5. using namespace std;
  6.  
  7. char textMessage[512];
  8. char stringResult[256];
  9. char stringFirst[32];
  10. char stringSecond[32];
  11. char symbolOperation[] = "";
  12. double operandFirst = 0, operandSecond = 0, operandResult = 0;
  13. int identifierOperation = 0;
  14. bool existenceFirstOperand = false, existenceSecondOperand = false, existenceResultOperand = false;
  15.  
  16. void onClickNumber(int num);
  17. void onClickOperation(int id);
  18. void onClickResult(void);
  19. void Cleaning(void);
  20.  
  21. int main(int argc, char* argv[])
  22. {
  23. 	onClickNumber(5);
  24. 	onClickOperation(13);
  25. 	onClickNumber(10);
  26. 	onClickResult();
  27.  
  28. 	printf("%s%s%s = %s\n", stringFirst, symbolOperation, stringSecond, stringResult);
  29.  
  30.  
  31.  
  32. 	printf("\n");
  33.  	system("pause");
  34.     return EXIT_SUCCESS;
  35. }
  36.  
  37. void onClickNumber(int num)
  38. {
  39. 	char str[32]; 
  40. 	sprintf(str, "%d", num);
  41.  
  42. 	if (existenceResultOperand)
  43.         {
  44.             Cleaning();
  45.             onClickNumber(num);
  46.             return;
  47.         }
  48.  
  49.         if (identifierOperation == 0)
  50.         {
  51.             if (operandFirst == 0) strcpy(stringFirst, str);
  52.             else strcat(stringFirst, str);
  53.             existenceFirstOperand = true;
  54.             operandFirst = atof(str);
  55.         }
  56.         else
  57.         {
  58.             if (operandSecond == 0) strcpy(stringSecond, str);
  59.             else strcat(stringSecond, str);
  60.             existenceSecondOperand = true;
  61.             operandSecond = atof(str);
  62.         }
  63.  
  64.         existenceResultOperand = false;
  65.  
  66.         strcpy(textMessage, stringFirst);
  67.         strcat(textMessage, symbolOperation);
  68.         strcat(textMessage, stringSecond);
  69. }
  70.  
  71. void onClickOperation(int id)
  72. {
  73. 	if (existenceFirstOperand)
  74.         {
  75.             identifierOperation = id;
  76.             switch (id)
  77.             {
  78.                 case 10:	strcpy(symbolOperation, "/"); break;
  79.                 case 11:	strcpy(symbolOperation, "*"); break;
  80.                 case 12:	strcpy(symbolOperation, "-"); break;
  81.                 case 13:	strcpy(symbolOperation, "+"); break;
  82.             }
  83.         }
  84.  
  85.         if (existenceResultOperand)
  86.         {
  87.         	strcpy(stringFirst, stringResult);
  88.             operandSecond = 0; strcpy(stringSecond, ""); existenceSecondOperand = false;
  89.         }
  90.  
  91.         operandResult = 0; strcpy(stringSecond, ""); existenceResultOperand = false;
  92.  
  93.         strcpy(textMessage, stringFirst);
  94.         strcat(textMessage, symbolOperation);
  95.         strcat(textMessage, stringSecond);
  96. }
  97.  
  98. void onClickResult(void)
  99. {
  100. 	if (existenceFirstOperand && existenceSecondOperand)
  101.         {
  102.             switch (identifierOperation)
  103.             {
  104.                 case 10:	operandResult = operandFirst /= operandSecond; break;
  105.                 case 11:	operandResult = operandFirst *= operandSecond; break;
  106.                 case 12:	operandResult = operandFirst -= operandSecond; break;
  107.                 case 13:	operandResult = operandFirst += operandSecond; break;
  108.             }
  109.  
  110.             if ((int)operandResult == operandResult)
  111.                 sprintf(stringResult, "%d", (int)operandResult);
  112.             else
  113.                 sprintf(stringResult, "%f", operandResult);
  114.  
  115.             existenceResultOperand = true;
  116.         }
  117. }
  118.  
  119. void Cleaning(void)
  120. {
  121. 	strcpy(textMessage, "");
  122. 	strcpy(stringResult, "");
  123. 	strcpy(stringFirst, "");
  124. 	strcpy(stringSecond, "");
  125. 	strcpy(symbolOperation, "");
  126.  
  127. 	operandFirst = operandSecond = operandResult = 0;
  128. 	identifierOperation = 0;
  129. 	existenceFirstOperand = existenceSecondOperand = existenceResultOperand = false;
  130. }
Success #stdin #stdout #stderr 0s 3456KB
comments (?)
stdin
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Standard input is empty
stdout
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5+10 = 15
stderr
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sh: 1: pause: not found
https://ideone.com/rA9mJ6
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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