20230214日志

x := 0
for i := 0; i <size; i++{
    x = x*10 + int(str[i]-'0')
}

func compareVersion(v1, v2 string) int {
    m, n := len(v1), len(v2)
    i, j := 0, 0
    for i < m || j < n {
         // ...
    }
}