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updated at 2023. 1. 5. 오후 7:13:23

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rl544
2023-01-05 19:13:24 +09:00
parent b293d1273b
commit 70a40828ec
1 changed files with 2 additions and 16 deletions
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programmers/가장 큰 수/solution.java
+2 -16
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@@ -4,25 +4,11 @@ import java.util.*;
import java.lang.StringBuilder; import java.lang.StringBuilder;
class Solution { class Solution {
public String solution(int[] numbers) { public String solution(int[] numbers) {
String answer = "";
Comp comp = new Comp();
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder();
String[] nb = new String[numbers.length]; String[] nb = new String[numbers.length];
for(int a = 0; a < numbers.length; a++){ for(int a = 0; a < numbers.length; a++) nb[a] = String.valueOf(numbers[a]);
nb[a] = String.valueOf(numbers[a]); Arrays.sort(nb,((a,b)-> ((a.equals("0")&&b.equals("0"))?0:((Integer.valueOf((a.charAt(0)=='0')?b:a+b) >Integer.valueOf((b.charAt(0)=='0')?a:b+a))?-1:1))));
}
Arrays.sort(nb,comp);
for(String s : nb) sb.append(s); for(String s : nb) sb.append(s);
return (sb.charAt(0)=='0')?"0":sb.toString(); return (sb.charAt(0)=='0')?"0":sb.toString();
} }
public class Comp implements Comparator<String> {
public int compare(String a, String b) {
// int l, r;
if(a.equals("0")&&b.equals("0")) return 0;
int l = Integer.valueOf((a.charAt(0)=='0')?b:a+b), r = Integer.valueOf((b.charAt(0)=='0')?a:b+a);
if(l>r) return -1;
else return 1;
}
}
} }