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Update binary search docs

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danielsss 2022-12-27 16:59:25 +11:00
parent eaa48b6b9f
commit 27bad89eeb
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1 changed files with 2 additions and 2 deletions
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codes/typescript/chapter_searching/binary_search.ts
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@ -29,9 +29,9 @@ const binarySearch1 = function (nums: number[], target: number): number {
// 循环，当搜索区间为空时跳出（当 i = j 时为空） // 循环，当搜索区间为空时跳出（当 i = j 时为空）
while (i < j) { while (i < j) {
const m = Math.floor(i + (j - i) / 2); // 计算中点索引 m const m = Math.floor(i + (j - i) / 2); // 计算中点索引 m
if (nums[m] < target) { // 此情况说明 target 在区间 [m+1, j) 中 if (nums[m] < target) { // 此情况说明 target 在区间 [m+1, j] 中
i = m + 1; i = m + 1;
} else if (nums[m] > target) { // 此情况说明 target 在区间 [i, m) 中 } else if (nums[m] > target) { // 此情况说明 target 在区间 [i, m] 中
j = m; j = m;
} else { // 找到目标元素，返回其索引 } else { // 找到目标元素，返回其索引
return m; return m;