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  1. #include <stdio.h>
  2. main()
  3. {
  4. int a;
  5. printf("fg :");
  6. scanf("%d",&a);
  7. if ((a>=20)&&(a<=30))
  8. printf("f");
  9. else
  10. printf("k");
  11. }
  12.  
Success #stdin #stdout 0s 5424KB
stdin
Standard input is empty
stdout
fg :k