didi0613
diff --git a/‎missing-number.js‎
Lines changed: 18 additions & 0 deletions b/‎missing-number.js‎
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+/**
+ * @param {number[]} nums
+ * @return {number}
+ */
+var missingNumber = function (nums) {
+    nums.sort(function (a, b) {
+        return a - b;
+    });
+
+    var i = 0;
+    while (true) {
+        if (nums[i] !== i) {
+            break;
+        }
+        i++;
+    }
+    return i;
+};