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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main()
  5. {
  6. int opt;
  7. scanf("%d",&opt);
  8. while(1)
  9. {
  10.     switch(opt)
  11.     {
  12.     case 1:printf("1");
  13.         break;
  14.     case 2:printf("2");
  15.         break;
  16.     case 3:exit(0);
  17.     }
  18.  
  19.     printf("\n");
  20.     scanf("%d",&opt);
  21. }
  22.  
  23. return 0;
  24.  
  25. }
Success #stdin #stdout 0s 2296KB
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https://ideone.com/XC7OBl
language:
C99 (gcc 8.3)
created:
11 years ago
visibility:
public

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