한 번만 등장한 문자

dudwns · May 8, 2023 · 9c917bd · 9c917bd
1 parent 0a3c013
commit 9c917bd
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/Programmers/exam69.js b/Programmers/exam69.js
@@ -0,0 +1,11 @@
+function solution(s) {
+  var answer = [];
+  for (let i = 0; i < s.length; i++) {
+    let count = 0;
+    for (let j = 0; j < s.length; j++) {
+      if (s[i] === s[j] && i !== j) count++;
+    }
+    if (count === 0) answer.push(s[i]);
+  }
+  return answer.sort().join("");
+}