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  1. n, k = map(int, input().split())
  2. numbers = input()
  3.  
  4. arr = []
  5. for number in numbers:
  6.     while arr and 0 < k:
  7.         if arr[-1] < number:
  8.             arr.pop()
  9.             k -= 1
  10.         else:
  11.             break
  12.     arr.append(number)
  13.  
  14. print("".join(arr))
  15.  
Success #stdin #stdout 0.03s 9772KB
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stdin
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5 1
54321
stdout
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54321
https://ideone.com/EWRsQr
language:
Python 3 (python  3.9.5)
created:
1 year ago
visibility:
public

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