[백준][Java] 4358번 생태학 (트리맵, 문자열)

[백준][Java] 4358번 생태학 (트리맵, 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; import java.util.Map.Entry; import java.util.TreeMap; public class Main { private static BufferedReader br = new BufferedReader( new InputStreamReader( System . in )); private static BufferedWriter bw = new BufferedWriter( new OutputStreamWriter( System . out )); public static void main( String [] args) throws IOException{ TreeMap < String , Integer > tm = new TreeMap < > (); String input; int tot = 0 ; while ((input = br.readLine()) ! = null ) { int temp = tm.getOrDefault(input, 0 ) + 1 ; tm.put(input, temp); tot + + ; } for (Entry < String ,Integer > e : tm.entrySet()) { bw.write(e.getKey() + " " + String . format ( "%.4f" ,e.getValue() * 100. 0 / tot) + "

" ); } 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/326 by ccl(A) rewrite - 2021-10-06 19:01:13