무작위로_K개의_수_뽑기 / 기초

Author: Moonjonghoo

Moonjonghoo/set/무작위로_K개의_수_뽑기.js

@@ -0,0 +1,22 @@
+function solution(arr, k) {
+  var answer = [];
+  for (let i = 0; i < arr.length; i++) {
+    if (!answer.includes(arr[i])) {
+      answer.push(arr[i]);
+    }
+  }
+
+  if (answer.length > k) {
+    return answer.slice(0, k);
+  } else if (answer.length < k) {
+    while (answer.length !== k) {
+      answer.push(-1);
+    }
+    return answer;
+  } else {
+    return answer;
+  }
+}
+
+console.log(solution([0, 1, 1, 2, 2, 3], 5));
+console.log(solution([0, 1, 1, 1, 1], 4));