题解 | #密码强度等级#
密码强度等级
http://www.nowcoder.com/practice/52d382c2a7164767bca2064c1c9d5361
什么叫!!他马的!!屎山!!!!!
import java.util.*;
import java.util.regex.*;
public class Main{
public static void main(String[] args){
Scanner scan = new Scanner(System.in);
while(scan.hasNext()){
String str = scan.nextLine();
char[] ch = str.toCharArray();
getScore(getLength(ch)+haveNum(ch)+haveWord(ch)+haveOther(ch)+award(ch));
}
scan.close();
}
public static int getLength(char[] ch){
if(ch.length<=4){
return 5;
}
else if(ch.length>=8){
return 25;
}
else{
return 10;
}
}
public static int haveNum(char[] ch){
int count = 0;
for(char c : ch){
if(String.valueOf(c).matches("[0-9]")){
count++;
}
}
if(count == 0){
return 0;
}
else if(count == 1){
return 10;
}
else{
return 20;
}
}
public static int haveWord(char[] ch){
Pattern p1 = Pattern.compile("[a-z]");
Pattern p2 = Pattern.compile("[A-Z]");
if(p1.matcher(String.valueOf(ch)).find() && p2.matcher(String.valueOf(ch)).find()){
return 20;
}
else{
int count = 0;
for(char c : ch){
if(String.valueOf(c).matches("[a-z]") || String.valueOf(c).matches("[A-Z]")){
count++;
}
}
if(count>0){
return 10;
}
else{
return 0;
}
}
}
public static int haveOther(char[] ch){
int count = 0;
for(char c : ch){
if(String.valueOf(c).matches("[^a-zA-Z0-9]")){
count++;
}
}
if(count == 0){
return 0;
}
else if(count == 1){
return 10;
}
else{
return 25;
}
}
public static int award(char[] ch){
int count = 0;
int count1 = 0;
int count2 = 0;
Pattern p1 = Pattern.compile("[0-9]");
if(p1.matcher(String.valueOf(ch)).find()){
count++;
}
Pattern p2 = Pattern.compile("[a-z]");
if(p2.matcher(String.valueOf(ch)).find()){
count1++;
}
Pattern p3 = Pattern.compile("[A-Z]");
if(p3.matcher(String.valueOf(ch)).find()){
count1++;
}
Pattern p4 = Pattern.compile("[^a-zA-Z0-9]");
if(p4.matcher(String.valueOf(ch)).find()){
count2++;
}
if(count == 1 && count2 == 0 && count1>0){
return 2;
}
else if(count == 1 && count2 == 1 && count1 == 1){
return 3;
}
else if(count == 1 && count2 == 1 && count1 == 2){
return 5;
}
else{
return 0;
}
}
public static void getScore(int n){
if(n>=90){
System.out.println("VERY_SECURE");
}
else if(n>=80 && n<90){
System.out.println("SECURE");
}
else if(n>=70 && n<80){
System.out.println("VERY_STRONG");
}
else if(n>=60 && n<70){
System.out.println("STRONG");
}
else if(n>=50 && n<60){
System.out.println("AVERAGE");
}
else if(n>=25 && n<50){
System.out.println("WEAK");
}
else{
System.out.println("VERY_WEAK");
}
}
}