题解 | 基建高手二分查找
基建高手
https://www.nowcoder.com/practice/e611106a5d354517a9699a94c12ad8b4
n, k = map(int, input().split())
nums = list(map(int, input().split()))
left, right = 0, 10000000000
while left <= right:
mid = (left + right) // 2
if sum(mid // x for x in nums) >= k:
right = mid - 1
else:
left = mid + 1
print(left)
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