[转]算法课上老师给的标准,用来参考,其实最重要的是态度[

算法课上老师给的标准,用来参考,其实最重要的是态度

 1 int binarySearch(int *arr, int left, int right, int val) {
 2     int mid = 0;
 3     if (left > right)
 4         return -1;
 5     else
 6         mid = (left + right) / 2;
 7 
 8     if (val == arr[mid])
 9         return mid;
10     else if (val < arr[mid])
11         return binarySearch(arr, left, (mid - 1), val);
12     else
13         return binarySearch(arr, (mid + 1), right, val);
14 }

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原文地址:https://www.cnblogs.com/gotodsp/p/7124074.html