Leetcode_Compare Version Numbers

#include 
#include 
#include 
using namespace std;
class Solution {
public:
    int compareVersion(string version1, string version2) {
		vector v1;
		vector v2;
		int p=0;
		/*方法一：OK*/
		/*for(int i=0;i= len1){
        if(v2[j--]!=0) return  -1;
		}
		return 0;
		}else{	   //str1和str2前len1位不都相等，直接判斷第i位
		if(v1[i]v2[i])
				return 1;
			if(v1[i]=v1.size()&&i0)
					return -1;
			}
		}
		else if(i>=v2.size()&&i0)
					return 1;
			}
		}
			return 0;    
    }
};
int main()
{
	string v1,v2;
	Solution S;
	cin>>v1>>v2;
	cout<