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★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★ Given a square grid of integers arr, a falling path with non-zero shifts is a choice of exactly one element from each row of arr, such that no two elements chosen in adjacent rows are in the same column. Return the minimum sum of a falling path with non-zero shifts.
Example 1: Input: arr = [[1,2,3],[4,5,6],[7,8,9]] Constraints: 1 <= arr.length == arr[i].length <= 200 给你一个整数方阵 arr ,定义「非零偏移下降路径」为:从 arr 数组中的每一行选择一个数字,且按顺序选出来的数字中,相邻数字不在原数组的同一列。 请你返回非零偏移下降路径数字和的最小值。
示例 1: 输入:arr = [[1,2,3],[4,5,6],[7,8,9]] 提示: 1 <= arr.length == arr[i].length <= 200 |
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