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Description
아이디어
어려운점 & 실수
정답
import java.util.Arrays;
import java.util.Comparator;
public class N12915 {
private int N;
public String[] solution(String[] strings, int n) {
N = n;
String[] results = Arrays.stream(strings).sorted(new Comparator<String>() {
@Override
public int compare(String o1, String o2) {
int result = o1.charAt(n) - o2.charAt(n);
if (result == 0) {
return o1.compareTo(o2);
}
return result;
}
}).toArray(String[]::new);
return results;
}
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