165. Compare version number - string

class Solution {
    
public:
    int compareVersion(string version1, string version2) {
    
        int vtoi1 = 0, vtoi2 = 0;   // convert to int Compare 
        int m = version1.size(), n = version2.size();
        int i = 0, j = 0;
        while(i < m || j < n){
    
            int temp1 = 0, temp2 = 0;   // Store the value of this segment 
            while(i < m && version1[i] != '.'){
    
                temp1 = temp1 * 10 + version1[i] - '0';
                i++;
            }
            i++;
            while(j < n && version2[j] != '.'){
    
                temp2 = temp2 * 10 + version2[j] - '0';
                j++;
            }
            j++;
            vtoi1 += temp1;
            vtoi2 += temp2;
            if(vtoi1 > vtoi2)
                return 1;
            else if(vtoi1 < vtoi2)
                return -1;
        }
        return 0;
    }
};

Accepted
81/81 cases passed (0 ms)
Your runtime beats 100 % of cpp submissions
Your memory usage beats 80.23 % of cpp submissions (6 MB)