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단계별로 풀기에서 단계4까지 중 가장 어려웠던 문제.
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/*
* Author : Jeonghun Cho
* Date : December 3, 2019
*/
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
public class Main {
public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
String str = br.readLine();
if(str.length() == 1) {
str = "0"+str;
}
String answer = str;
int cnt = 0;
while(true) {
int tens = str.charAt(0)-48;
int units = str.charAt(1)-48;
int result = tens+units;
if(result >= 10) {
result %= 10;
}
str = units+""+result;
cnt++;
if(str.equals(answer)) {
break;
}
}
}
}
Colored by Color Scripter
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