lintcode Recover Rotated Sorted Array

class Solution {
public:
    void recoverRotatedSortedArray(vector<int> &nums) {
        // write your code here
        int len = nums.size();
        if (0 == len) {
            return ;
        }
        int t = 0;
        for (int i = 0; i < len; ++i) {
            if (nums[i] < nums[t] ) {
                t = i;
            }
        }
        reverse(nums,0,t-1);
        reverse(nums,t,len-1);
        reverse(nums,0,len-1);
    }
    void reverse(vector<int> &nums,int lo,int hi) {
        while (lo<hi) {
            swap(nums[lo],nums[hi]);
            ++lo;
            --hi;
        }
    }
};