给定两个整数数组a和b,计算具有最小差绝对值的一对数值(每个数组中取一个值),并返回该对数值的差
示例:
输入:{1, 3, 15, 11, 2}, {23, 127, 235, 19, 8}
输出: 3,即数值对(11, 8)
提示:
- 1 <= a.length, b.length <= 100000
- -2147483648 <= a[i], b[i] <= 2147483647
- 正确结果在区间[-2147483648, 2147483647]内
来源:力扣(LeetCode)
链接:https://leetcode-cn.com/problems/smallest-difference-lcci
class Solution:
def smallestDifference(self, a: List[int], b: List[int]) -> int:
i = j = 0
a.sort()
b.sort()
al, bl = len(a), len(b)
ans = float('inf')
while i < al and j < bl:
if a[i] < b[j]:
ans = min(ans, abs(a[i] - b[j]))
i += 1
elif a[i] > b[j]:
ans = min(ans, abs(a[i] - b[j]))
j += 1
else:
return 0
return ans