1081 检查密码

int digit = 0; //无数字
int eng = 0; //无英文
int islegal(string s){
    digit = 0; //无数字
    eng = 0; //无英文
    for(int i = 0;i < s.length();++i){
        if( isdigit(s[i]) ) digit = 1;
        else if( isalpha(s[i]) ) eng = 1;
        else if( s[i] == '.') continue;
        else return 0; //其他非法字符，跳出
    }
    return 1;
}
int main()
{
    //freopen("D:\\文件夹\\Desktop\\use.txt","r",stdin);
    int n;scanf("%d",&n);getchar();
    for(int i = 0;i < n;++i){
        string s;
        getline(cin,s);
        if(i != 0) printf("\n");
        if(s.length() < 6) {cout<<"Your password is tai duan le.";continue;}
        if( !islegal(s) )  {cout<<"Your password is tai luan le.";continue;}
        if(eng == 1 && digit == 0) {cout<<"Your password needs shu zi.";continue;}
        if(eng == 0 && digit == 1) {cout<<"Your password needs zi mu.";continue;}
        cout<<"Your password is wan mei.";
    }
    return 0;
}

谨记谨记，字符串的输入要getline，因为存在空格