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  1. test=gets.to_i
  2. while test>0
  3. 	s=gets
  4. 	count=0
  5. 	for i in 0...s.length-1
  6. 		if s[i]!='4' && s[i]!='7'
  7. 			count=count+1
  8. 		end
  9. 		puts s[i]+count.to_s
  10. 	end
  11. 	puts count-1
  12. 	test=test-1
  13. end
Success #stdin #stdout 0s 4760KB
comments (?)
stdin 
3
23
47
99
stdout 
21
32
1
40
70
-1
91
0
https://ideone.com/dAKY4
language:
Ruby (ruby 2.5.5)
created:
14 years ago
visibility:
public

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