二分查找 基础二分实现查找实现与动画 template<typename T> int binarySearch(T arr[], int len, T target) { int l = 0, r = len - 1; while (l <= r) { // 求中值 int mid = l + ((r - l) >> 1); if (arr[mid] == target) { return mid; } if (arr[mid] > target) { r = mid - 1;…
