Merge pull request #618 from eric-hjh/main

[황장현] 89차 라이브 코테 제출

Author: eric-hjh

live8/test89/문제3/황장현.js

@@ -1,14 +1,11 @@
-function compare(a, b) {
-  if (b.toString()[0] !== a.toString()[0])
-    return b.toString()[0] - a.toString()[0];
-  else {
-  }
-}
-
 function solution(numbers) {
-  numbers.sort((a, b) => compare(a, b));
-  console.log(numbers);
-}
+  numbers = numbers.map(String);
 
+  numbers.sort((x, y) => (y + x).localeCompare(x + y));
+
+  const answer = numbers.join('');
+
+  return answer[0] === '0' ? '0' : answer;
+}
 console.log(solution([6, 10, 2, 11]));
 // console.log(solution([3, 30, 34, 5, 9]));