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Apr 18th, 2019
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  1. n, P = map(int, input().split())
  2. s = list(map(int, input().split()))
  3. q = int(input())
  4. p = [0] * (P + 1)
  5. for i in s:
  6. p[i - 1] += 1
  7. for i in range(q):
  8. cmd, level = input().split()
  9. level = int(level)
  10. if cmd[0] == '+':
  11. p[level] += p[level - 1]
  12. p[level - 1] = 0
  13. else:
  14. print(p[level - 1])
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