题解 | #密码强度等级#

#include <cctype>
#include <iostream>
using namespace std;

int main() {
    string strcode;
    cin>>strcode;
    int score=0;
    //
    if(strcode.size()<=4)score+=5;
    else if(strcode.size()<=7)score+=10;
    else score+=25;


    string subcode="";
    int flag;
    for(int i=0;i<strcode.size();i++){
        if(isalpha(strcode[i])){
            subcode+=strcode[i];
            flag=1;
        }
    }
    if(flag){
    int x1=0,x2=0;
    for(int i=0;i<subcode.size();i++){
        if(subcode[i]>='A'&& subcode[i]<='Z')x1++;
        if(subcode[i]>='a'&& subcode[i]<='z')x2++;
    }
    if(x1==subcode.size()||x2==subcode.size())score+=10;

    if(x1!=0&&x2!=0)score+=20;}

    int s=0;
    for(int i=0;i<strcode.size();i++){
        if (strcode[i]>='0'&&strcode[i]<='9'){ s++;}
        
    }
    
    if(s==0){}else if(s==1){score+=10;}else score+=20;

    int f=0;
    for(int i=0;i<strcode.size();i++){
        if(isalpha(strcode[i])){}
        else if (isalnum(strcode[i])){}
        else f++;
    }
    if(f==0){}else if(f==1){score+=10;}else score+=25;


   int a1=0,a2=0,a3=0,a4=0;
     for(int i=0;i<strcode.size();i++){
        if(isalpha(strcode[i])){
            if(strcode[i]>='a'&& strcode[i]<='z'){a1=1;}else a2=1;
        }
        else if (isalnum(strcode[i])){a3=1;}
        else a4=1;
    }
    if((a1==1 && a2==1)&&a3==1 &&a4==1){
        score+=5;
    }else if((a1==1 ||a2==1)&&a3==1 &&a4==1){
        score+=3;
    }else if((a1==1 || a2==1)&&a3==1){
        score+=2;
    }
   

    if(score>=90){
        cout<<"VERY_SECURE";
    }else if( score>=80){
        cout<<"SECURE";
    }else if( score>=70){
        cout<<"VERY_STRONG";
    }else if( score>=60){
        cout<<"STRONG";
    }else if( score>=50){
        cout<<"AVERAGE";
    }else if( score>=25){
        cout<<"WEAK";
    }else if( score>=0){
        cout<<"VERY_WEAK";
    }
}

// 64 位输出请用 printf("%lld")