Create find-the-smallest-divisor-given-a-threshold.py

Author: kamyu104

Python/find-the-smallest-divisor-given-a-threshold.py

@@ -0,0 +1,21 @@
+# Time:  O(logn)
+# Space: O(1)
+
+class Solution(object):
+    def smallestDivisor(self, nums, threshold):
+        """
+        :type nums: List[int]
+        :type threshold: int
+        :rtype: int
+        """
+        def check(A, d, threshold):
+            return sum((i-1)//d+1 for i in nums) <= threshold
+
+        left, right = 1, max(nums)
+        while left <= right:
+            mid = left + (right-left)//2
+            if check(nums, mid, threshold):
+                right = mid-1
+            else:
+                left = mid+1
+        return left