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  1. #include <sys/types.h>
  2. #include <sys/stat.h>
  3. #include <fcntl.h>
  4. #include <errno.h>
  5. #include <unistd.h>
  6. #include <stdio.h>
  7. #include <stdlib.h>
  8.  
  9. // For windows
  10. #define READ_ONLY_FLAG 1
  11.  
  12. void stdInRedirect(FILE* dest)
  13. {
  14.     #ifdef __linux__ 
  15.         stdin = dest;
  16. 	#elif _WIN32
  17.         *stdin = *dest;
  18. 	#else
  19.  
  20. 	#endif
  21. }
  22.  
  23. void stdOutRedirect(FILE* dest)
  24. {
  25.     #ifdef __linux__ 
  26.     	stdout = dest;
  27. 	#elif _WIN32
  28.     	*stdout = *dest;
  29. 	#else
  30.  
  31. 	#endif
  32. }
  33.  
  34. int main(int argc, char* argv[])
  35. {
  36.     int item, x, y;
  37.     FILE* fileIn = fopen("input.txt", "r");
  38.     FILE* fileOut = fopen("output.txt", "w");
  39.     FILE stdinTemp;
  40.     FILE stdoutTemp;
  41.  
  42.     // backup stdio
  43.     stdinTemp = *stdin;
  44.     stdoutTemp = *stdout;
  45.  
  46.     // override stdio
  47.     stdInRedirect(fileIn);
  48.     stdOutRedirect(fileOut);
  49.  
  50.     scanf("%d",&x);
  51.     scanf("%d",&y);
  52.  
  53.     printf("%d\n",x);
  54.     printf("%d\n",y);
  55.  
  56.     while (scanf("%d%d%d", &item, &x, &y) == 3) {
  57.         printf("%d %d %d\n", item, x, y);
  58.     }
  59.  
  60.     fclose(stdin);
  61.     fclose(stdout);
  62.  
  63.     // restore stdio
  64.     stdInRedirect(&stdinTemp);
  65.     stdOutRedirect(&stdoutTemp);
  66.  
  67.     printf("HHHHH");
  68.  
  69.     return 0;
  70. }
  71.  
Runtime error #stdin #stdout 0s 3268KB
comments ()
stdin
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/a0TsP7
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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