修改 0704 二分查找 JavaScript版本 左闭右闭区间 解法

This commit is contained in:
Luo
2021-09-28 08:44:37 +08:00
committed by GitHub
parent a3a7568e41
commit 7f75ee1b56

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@ -288,15 +288,16 @@ func search(nums []int, target int) int {
* @param {number} target
* @return {number}
*/
/**
var search = function(nums, target) {
let left = 0, right = nums.length;
// 使用左闭右区间 [left, right)
while (left < right) {
let left = 0, right = nums.length - 1;
// 使用左闭右区间
while (left <= right) {
let mid = left + Math.floor((right - left)/2);
if (nums[mid] > target) {
right = mid; // 去左区间寻找
right = mid - 1; // 去左面闭区间寻找
} else if (nums[mid] < target) {
left = mid + 1; // 去右区间寻找
left = mid + 1; // 去右面闭区间寻找
} else {
return mid;
}