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31 lines
658 B
31 lines
658 B
package class02;
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// 本题测试链接 : https://leetcode.com/problems/shortest-unsorted-continuous-subarray/
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public class Code06_MinLengthForSort {
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public static int findUnsortedSubarray(int[] nums) {
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if (nums == null || nums.length < 2) {
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return 0;
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}
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int N = nums.length;
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int right = -1;
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int max = Integer.MIN_VALUE;
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for (int i = 0; i < N; i++) {
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if (max > nums[i]) {
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right = i;
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}
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max = Math.max(max, nums[i]);
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}
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int min = Integer.MAX_VALUE;
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int left = N;
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for (int i = N - 1; i >= 0; i--) {
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if (min < nums[i]) {
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left = i;
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}
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min = Math.min(min, nums[i]);
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}
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return Math.max(0, right - left + 1);
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}
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}
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