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  1. /* Helloプログラム */
  2.  
  3. #include <stdio.h>
  4.  
  5. main()
  6. {
  7. 	int i,j;
  8.  
  9. 	for(j = 1;  j <= 5; j++ ) {
  10. 	  for( i = 1; i <= 7; i++ ) {
  11.  
  12. 		if (((i + j) % 2) == 1) {
  13. 			printf("■");
  14. 		} else {
  15. 			printf("□");
  16. 		}
  17.  
  18. 	  }
  19.       printf("\n");
  20. 	}
  21. }
  22.  
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
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Standard input is empty
stdout
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□■□■□■□
■□■□■□■
□■□■□■□
■□■□■□■
□■□■□■□
https://ideone.com/g6gGSr
hello program
language:
C (gcc 8.3)
created:
44 days ago
visibility:
public

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