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718. Maximum Length of Repeated Subarray (Medium)

Given two integer arrays A and B, return the maximum length of an subarray that appears in both arrays.

Example 1:

Input:
A: [1,2,3,2,1]
B: [3,2,1,4,7]
Output: 3
Explanation: 
The repeated subarray with maximum length is [3, 2, 1].

 

Note:

1. 1 <= len(A), len(B) <= 1000
2. 0 <= A[i], B[i] < 100

 

Related Topics

[Array] [Hash Table] [Binary Search] [Dynamic Programming]

Similar Questions

1. Minimum Size Subarray Sum (Medium)

Hints

Hint 1

Use dynamic programming. dp[i][j] will be the answer for inputs A[i:], B[j:].