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这个吗😂😂😂
base64?我人都傻了,后面想起来java有base64工具类直接用了。。
暴力,100%
暴力就能过啊
转成二进制,按六位二进制转成十进制,然后直接取数,看情况加=,AC import java.util.Scanner;
public class Main {
public static void main(String[] args){
String data=input();
String res=cal(data);
System.out.println(res);
}
private static String cal(String data) {
String s="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
StringBuilder binary=tranferBinary(data);
if(data.length()%3==1){
while (binary.length()%6!=0){
binary.append("0");
}
StringBuilder builder=new StringBuilder(cal3(binary,s));
builder.append("==");
return builder.toString();
}
else if(data.length()%3==2){
while (binary.length()%6!=0){
binary=binary.append(0);
}
StringBuilder builder=new StringBuilder(cal3(binary,s));
builder.append("=");
return builder.toString();
}
else {
return cal3(binary,s);
}
}
private static String cal3(StringBuilder data,String pattern){
int flag=0;
StringBuilder res=new StringBuilder();
StringBuilder temp=new StringBuilder();
for(int i=0,length=data.length();i<length;i++){
temp.append(data.charAt(i));
flag++;
if(flag%6==0){
int index=Integer.parseInt(temp.toString(),2);
res.append(pattern.charAt(index));
temp=new StringBuilder();
}
}
return res.toString();
}
private static StringBuilder tranferBinary(String data){
char[] chars=data.toCharArray();
StringBuilder builder=new StringBuilder();
for(char temp:chars){
String s=Integer.toBinaryString((int)temp);
if(s.length()<8){
for(int i=s.length();i<8;i++){
builder.append("0");
}
}
builder.append(s);
}
return builder;
}
private static String input() {
Scanner sc=new Scanner(System.in);
return sc.nextLine();
}
}
#include <iostream> #include <vector> using namespace std; int main() { string str; while(cin>>str) { vector<char> temp1; vector<char> temp2; vector<char> temp3; vector<char> temp4; vector<char> res; for(int i=0;i<str.size();i++) { if(str[i]>='A'&&str[i]<='Z') { temp1.push_back(str[i]); } else if(str[i]>='a'&&str[i]<='z') { temp2.push_back(str[i]); } else if(str[i]>='0'&&str[i]<='9') { temp3.push_back(str[i]); } else { temp4.push_back(str[i]); } } res.clear(); for(int i=0;i<temp1.size();i++) res.push_back(temp1[i]); for(int i=0;i<temp2.size();i++) res.push_back(temp2[i]); for(int i=0;i<temp3.size();i++) res.push_back(temp3[i]); for(int i=0;i<temp4.size();i++) res.push_back(temp4[i]); for(int i=0;i<res.size();i++) cout<<res[i]; cout<<endl; } return 0; }
import java.util.Scanner;
public class Main {
private static Scanner sc = new Scanner(System.in);
private final String line = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
public static void main(String[] args) {
new Main();
}
Main() {
String str = sc.nextLine();
char[] charArray = str.toCharArray();
String binStr = "";
for (char c : charArray) {
String temp = Integer.toBinaryString(Integer.valueOf(c));
while (temp.length() != 8) {
temp = "0" + temp;
}
binStr += temp;
}
while (binStr.length()%6 != 0) {
binStr += "0";
}
StringBuilder sb = new StringBuilder();
for (int i=0; i<binStr.length()/6; i++) {
String bin = binStr.substring(i*6, i*6 + 6);
int index = Integer.valueOf(bin, 2);
sb.append(line.substring(index, index+1));
}
if (str.length()%3 != 0) {
for (int i=0; i<3-str.length()%3; i++) {
sb.append("=");
}
}
System.out.println(sb.toString());
}
}
import java.util.Scanner;
/**
* @author Shayne
* @date 2019-08-26
*/
public class Main {
public static void main(String[] args) {
String map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
Scanner sc = new Scanner(System.in);
while (sc.hasNextLine()) {
String str = sc.nextLine();
if (str == null || str.equals("")) {
System.out.println("输入有误,请重新输入");
continue;
}
String last = "";
if (str.length() % 3 == 1) {
last += "==";
} else if (str.length() % 3 == 2) {
last += "=";
}
String binaryStr = "";
for (int i = 0; i < str.length(); i++) {
String binary = Integer.toBinaryString(str.charAt(i));
binaryStr += String.format("%08d", Integer.valueOf(binary));
}
if (binaryStr.length() % 24 != 0) {
binaryStr += String.format("%0" + (24 - binaryStr.length() % 24) + "d", 0);
}
String result = "";
for (int i = 0; i < binaryStr.length() / 6; i++) {
String tmp = binaryStr.substring(i * 6, (i + 1) * 6);
Integer index = Integer.parseInt(tmp,2);
result += map.charAt(index);
}
System.out.println(result.substring(0, result.length() - last.length()) + last);
}
}
}
你们收到简历更新邮件了吗
老哥们,汇顶科技这公司怎样啊?
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