题解 | #密码强度等级#

#include <iostream>
using namespace std;

int main() {
    string s;
    cin>>s;
    int len=s.size();
    int s_len=0;//长度分数
    int s_alpha=0;//字母分数
    int count_upper=0;//小写字母个数
    int count_lower=0;//大写字母个数
    int s_num=0;
    int count_num=0;
    int s_symbol=0;
    int count_symbol=0;
    int award=0;
    if(len<=4)s_len=5;else if(len>4&&len<8)s_len=10;else s_len=25;

    for(auto ch:s){
        if(ch>='a'&&ch<='z')count_lower++;
        else if(ch>='A'&&ch<='Z')count_upper++;
        else if(isdigit(ch))count_num++;
        else count_symbol++;
    }

    if(count_lower*count_upper==0)s_alpha=10;
    else if(count_lower*count_upper!=0)s_alpha=20;

    if(count_num==1)s_num=10;
    else if(count_num>1)s_num=20;

    if(count_symbol==1)s_symbol=10;
    else if(count_symbol>1)s_symbol=25;

    if(s_alpha!=0&&s_num!=0){
        award=2;
        if(s_symbol!=0){
            award=3;
            if(count_lower*count_upper!=0)
            award=5;
        }
    }
    
    int socer=s_alpha+s_num+s_len+s_symbol+award;
    if(socer>=90)cout<<"VERY_SECURE"<<endl;
    else if(socer>=80)cout<<"SECURE"<<endl;
    else if(socer>=70)cout<<"VERY_STRONG"<<endl;
    else if(socer>=60)cout<<"STRONG"<<endl;
    else if(socer>=50)cout<<"AVERAGE"<<endl;
    else if(socer>=25)cout<<"WEAK"<<endl;
    else if(socer>=0)cout<<"VERY_WEAK"<<endl; 
}
// 64 位输出请用 printf("%lld")