16 lines
334 B
Python
16 lines
334 B
Python
if __name__ == "__main__":
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N, M = map(int, input().split())
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A = list(map(int, input().split()))
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A.sort()
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start = 0
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end = N - 1
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cnt = 0
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while start < end:
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if A[start] + A[end] >= M:
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cnt += 1
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end -= 1
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start += 1
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else:
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start += 1
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print(cnt)
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