POJ 3250:アルファベット再配置
3951 ワード
AC CODE:
import java.util.Scanner;
public class Main {
private static char[] ASCII = {
'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'
};
private static String getString() {
Scanner input = new Scanner(System.in);
return input.nextLine();
}
private static boolean isLetter(char c) {
if (('a' <= c) && (c <= 'z')) {
return true;
}
return false;
}
private static int[] getSortArray(String str, int[] letters) {
for (int i = 0; i < str.length(); i++) {
if (isLetter(str.charAt(i))) {
letters[str.charAt(i) - 'a']++;
}
}
return letters;
}
public static void main(String[] args) {
String str = getString();
int[] letters = new int[26];
letters = getSortArray(str, letters);
for (int i = 0; i < letters.length; i++) {
for (int j = 0; j < letters[i]; j++) {
System.out.print(ASCII[i] + "");
}
}
System.out.print("
");
}
}