题解 | #密码验证合格程序#

#include <iostream>
using namespace std;

bool judge1(string str){
    int cnt[4] = {0};
    for(int i = 0; i < str.length(); i ++){
        if(str[i] >= 65 && str[i]  <= 90 && cnt[0] == 0) cnt[0]++;
        if(str[i] >= 97 && str[i] <= 122 && cnt[1] == 0) cnt[1]++;
        if(str[i] >= 48 && str[i] <= 58 && cnt[2] == 0) cnt[2]++;
        if((str[i] <= 47 || str[i] >= 59 && str[i] <= 64 || str[i] >= 91 && str[i] <= 96 || str[i] >= 123) && cnt[3] == 0 ) cnt[3]++;
    }
    int a = 0;
    for(int i = 0; i <4; i++){
        a += cnt[i];
    }
    if(a >= 3) return true;
    else return false;
}

bool judge2(string str){
    for(int i = 0, j = 0; i < str.length(); i ++){
        for(int j = i + 1; j < str.length() - 2; j ++){
            if(str[i] == str[j] && str[i+1] == str[j+1] && str[i+2] == str[j+2]) return false;
        }
    }
    return true;
}

int main() {
    string str;
    while(cin >> str){
       if(judge1(str) && judge2(str) && str.length()>8) cout << "OK" << endl;
        else cout << "NG" << endl; 
    }
    return 0;
}
// 64 位输出请用 printf("%lld")