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1 | 1 | package com.fishercoder.solutions;
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2 | 2 |
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3 |
| -/** |
4 |
| - * 931. Minimum Falling Path Sum |
5 |
| - * |
6 |
| - * Given a square array of integers A, we want the minimum sum of a falling path through A. |
7 |
| - * A falling path starts at any element in the first row, and chooses one element from each row. |
8 |
| - * The next row's choice must be in a column that is different from the previous row's column by at most one. |
9 |
| - * |
10 |
| - * Example 1: |
11 |
| - * Input: [[1,2,3],[4,5,6],[7,8,9]] |
12 |
| - * Output: 12 |
13 |
| - * Explanation: |
14 |
| - * The possible falling paths are: |
15 |
| - * [1,4,7], [1,4,8], [1,5,7], [1,5,8], [1,5,9] |
16 |
| - * [2,4,7], [2,4,8], [2,5,7], [2,5,8], [2,5,9], [2,6,8], [2,6,9] |
17 |
| - * [3,5,7], [3,5,8], [3,5,9], [3,6,8], [3,6,9] |
18 |
| - * The falling path with the smallest sum is [1,4,7], so the answer is 12. |
19 |
| - * |
20 |
| - * Note: |
21 |
| - * 1 <= A.length == A[0].length <= 100 |
22 |
| - * -100 <= A[i][j] <= 100 |
23 |
| - * */ |
24 | 3 | public class _931 {
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25 | 4 | public static class Solution1 {
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26 | 5 | public int minFallingPathSum(int[][] A) {
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