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  1. #include <fstream>
  2. #include <iostream>
  3. #include <iomanip>
  4. #include <conio.h>
  5.  
  6. using namespace std;
  7. void main()
  8. {
  9. 	ifstream inFile; //creates fstream object
  10. 	inFile.open("data.txt"); //opens data file
  11. 	ofstream outFile; //creates fstream object
  12. 	outFile.open("result.txt"); //opens output file
  13.  
  14. 	float celcius, fahrenheit; //input declarations
  15.  
  16. 	inFile >> celcius; //inputs data
  17.  
  18. 	while (celcius != -999);
  19. 	{ 
  20.  
  21. 		inFile >> celcius;
  22. 		//fahrenheit calculations
  23. 		fahrenheit = celcius * 9 / 5 + 32;
  24. 		//output fahrenheit 
  25. 		cout << "Fahrenheit of " << setprecision(5) << celcius << " is " << setprecision(5) << fahrenheit << endl;
  26.  
  27.  
  28.  
  29. 		outFile << fahrenheit; //prints fshrenheit to file
  30. 	}
  31. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp:4:19: fatal error: conio.h: No such file or directory
 #include <conio.h>
                   ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/FAISm4
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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