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  1. /* Helloプログラム */
  2.  
  3. #include <stdio.h>
  4.  
  5. main()
  6. {
  7. 	float nagasa;
  8. 	float takasa;
  9. 	float menseki;
  10.  
  11. 	nagasa=1.0;
  12. 	takasa=1.0;
  13.  
  14. 	menseki=nagasa*takasa/2.0;
  15.  
  16.  
  17. 	printf("%f\n",menseki);
  18. }
Success #stdin #stdout 0s 5316KB
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Standard input is empty
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0.500000
https://ideone.com/yZJgDe
hello program
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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