19 lines
339 B
Python
19 lines
339 B
Python
import sys
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input = sys.stdin.readline
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N, M, S = int(input()), int(input()), input().rstrip()
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result = OIcount = i = 0
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while i < M-1:
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if S[i:i+3] == "IOI":
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OIcount += 1
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i += 2
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if OIcount == N:
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result += 1
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OIcount -= 1
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else:
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OIcount = 0
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i += 1
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print(result) |