1983. Widest Pair of Indices With Equal Range Sum
https://leetcode.com/problems/widest-pair-of-indices-with-equal-range-sum
Description
You are given two 0-indexed binary arrays nums1
and nums2
. Find the widest pair of indices (i, j)
such that i <= j
and nums1[i] + nums1[i+1] + ... + nums1[j] == nums2[i] + nums2[i+1] + ... + nums2[j]
.
The widest pair of indices is the pair with the largest distance between i
and j
. The distance between a pair of indices is defined as j - i + 1
.
Return the distance of the widest pair of indices. If no pair of indices meets the conditions, return 0
.
Example 1:
**Input:** nums1 = [1,1,0,1], nums2 = [0,1,1,0]
**Output:** 3
**Explanation:**
If i = 1 and j = 3:
nums1[1] + nums1[2] + nums1[3] = 1 + 0 + 1 = 2.
nums2[1] + nums2[2] + nums2[3] = 1 + 1 + 0 = 2.
The distance between i and j is j - i + 1 = 3 - 1 + 1 = 3.
Example 2:
**Input:** nums1 = [0,1], nums2 = [1,1]
**Output:** 1
**Explanation:**
If i = 1 and j = 1:
nums1[1] = 1.
nums2[1] = 1.
The distance between i and j is j - i + 1 = 1 - 1 + 1 = 1.
Example 3:
**Input:** nums1 = [0], nums2 = [1]
**Output:** 0
**Explanation:**
There are no pairs of indices that meet the requirements.
Constraints:
n == nums1.length == nums2.length
1 <= n <= 105
nums1[i]
is either0
or1
.nums2[i]
is either0
or1
.
ac
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