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540:有序数组中的单一元素

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轩辕龙儿 2022-02-14 09:47:13 +08:00
parent 6b34fcd0df
commit 36fea9b186
1 changed files with 12 additions and 5 deletions
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17
src/main/java/leetcode/editor/cn/SingleElementInASortedArray.java
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@ -45,13 +45,20 @@ class SingleElementInASortedArray {
//力扣代码 //力扣代码
//leetcode submit region begin(Prohibit modification and deletion) //leetcode submit region begin(Prohibit modification and deletion)
class Solution { class Solution {
// public int singleNonDuplicate(int[] nums) {
// for (int i = 0; i < nums.length; i = i + 2) {
// if (i + 1 == nums.length || nums[i] != nums[i + 1]) {
// return nums[i];
// }
// }
// return 0;
// }
public int singleNonDuplicate(int[] nums) { public int singleNonDuplicate(int[] nums) {
for (int i = 0; i < nums.length; i = i + 2) { int result = nums[0];
if (i + 1 == nums.length || nums[i] != nums[i + 1]) { for (int i = 1; i < nums.length; i++) {
return nums[i]; result ^= nums[i];
} }
} return result;
return 0;
} }
} }
//leetcode submit region end(Prohibit modification and deletion) //leetcode submit region end(Prohibit modification and deletion)