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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5. 	/* ←この記号で囲まれたところはコメントとして無視される→ */
  6.  
  7. 	printf("Hello World!\n"); /* ここで表示 */
  8.  
  9. 	// この記号でもコメント可能
  10.  
  11. 	/* printf("Good bye!\n"); */
  12. 	// printf("See you again\n");
  13.        return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5284KB
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stdin
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Standard input is empty
stdout
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Hello World!
https://ideone.com/9vKv16
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

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