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  1. s = "568714523645873"
  2. r = [[] for i in range(10)]
  3. for i in range(len(s)):
  4.     r[int(s[i])].append(i)
  5.  
  6. n = "2357"
  7. p = ""
  8. for i in range(len(r)):
  9.     if(str(i) in n):
  10.         p += str(i)+" - "
  11.         for j in r[i]:
  12.             p += str(j)+" "
  13.         p += "\n"
  14. print(p)
Success #stdin #stdout 0.03s 27712KB
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Standard input is empty
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2 - 7 
3 - 8 14 
5 - 0 6 11 
7 - 3 13
https://ideone.com/1TStAz
language:
Python 3 (python  3.12)
created:
7 years ago
visibility:
secret

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