摘要：
// 双指针 var findContinuousSequence = function(target) { let res = [] let left = 1 let right = 2 while (left < right) { let sum = (left + right) * (righ 阅读全文
摘要：
二分查找模板 // 标准二分查找，使用数组能找到的情况，最后left和right不一样，差1 function find(arr, num) { let l = 0, r = arr.length - 1; while (l <= r) { let mid = l + Math.floor((r - 阅读全文