[백준][Java] 1212번 8진수 2진수 (문자열)

[백준][Java] 1212번 8진수 2진수 (문자열)

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import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; public class Main { private static BufferedReader br = new BufferedReader( new InputStreamReader( System . in )); private static BufferedWriter bw = new BufferedWriter( new OutputStreamWriter( System . out )); private static String [] first = { "0" , "1" , "10" , "11" , "100" , "101" , "110" , "111" }; private static String [] temp = { "000" , "001" , "010" , "011" , "100" , "101" , "110" , "111" }; public static void main( String [] args) throws IOException{ char [] strChar = br.readLine().toCharArray(); StringBuilder resBuilder = new StringBuilder(); resBuilder.append(first[strChar[ 0 ] - '0' ]); for ( int i = 1 ; i < strChar. length ; i + + ) { resBuilder.append(temp[strChar[i] - '0' ]); } System . out . println (resBuilder. toString ()); // bw.write(""); // bw.flush(); // bw.close(); } // private static int stoi(String input) { // return Integer.parseInt(input); // } } Colored by Color Scripter

from http://aig2029.tistory.com/292 by ccl(A) rewrite - 2021-09-20 08:27:56