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CodeObject/zeta_python/completed/26091.py
2024-07-29 14:50:28 +09:00

16 lines
334 B
Python

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