解題思路:
記得對k取模,藉助輔助vector
class Solution {
public:
void rotate(vector<int>& nums, int k) {
vector<int > b;
k = k%nums.size();
int dis = nums.size()-k,j=0,tag=0;
for (int i=0;i<nums.size();i++) {
j = i+dis;
if (j>=nums.size()) {
tag = i;
while(i<nums.size() && i<dis) {
b.push_back(nums[i]);
i++;
}
break;
} else {
if (i<dis) {
b.push_back(nums[i]);
}
nums[i]=nums[j];
}
}
for (int i=0;i<b.size();i++) {
nums[i+tag]=b[i];
}
}
};