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  1. #include <string>
  2. #include <iostream>
  3. #include <fstream>
  4. #include <vector>
  5.  
  6. //disables any deprecation warning
  7. #pragma warning(disable : 4996)
  8.  
  9. //usings
  10. using std::vector;
  11. using std::string;
  12. using std::cout;
  13.  
  14.  
  15. string repops(string expr) {
  16.     string iexpr = expr;
  17.     for (int i = 0; i < iexpr.length(); i++) {
  18.  
  19.         char& c = iexpr[i];
  20.  
  21.         if (c == '+') {
  22.             iexpr.replace(i, 1, " add ");
  23.         }
  24.         if (c == '-') {
  25.             iexpr.replace(i, 1, " subtract ");
  26.         }
  27.         if (c == '*') {
  28.             iexpr.replace(i, 1, " multiply ");
  29.         }
  30.         if (c == '/') {
  31.             iexpr.replace(i, 1, " divide ");
  32.         }
  33.     }
  34.     return iexpr;
  35. }
  36.  
  37. int main() {
  38.     cout << repops("1+2-1");
  39.     std::cin.get();
  40.     return 0;
  41. }
Success #stdin #stdout 0s 4208KB
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1 add 2 subtract 1

	

		
	 
	
	
			

					
			
			
			
			
			
			
			
			

			
			
			
		

	
		
		

			

			                        







			
			

				

	
					
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language:

						
C++ (gcc 8.3)

					

					

						
created:
								
						
5 years ago

					

					

						
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