chore: 增加一行注释

azl397985856 · Jun 19, 2019 · 53313e5 · 53313e5
1 parent f651ec4
commit 53313e5
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/problems/128.longest-consecutive-sequence.md b/problems/128.longest-consecutive-sequence.md
@@ -102,12 +102,13 @@ var longestConsecutive = function(nums) {
   let max = 0;
   let y = 0;
   nums.forEach(x => {
+    // 说明x是连续序列的开头元素
     if (!nums.has(x - 1)) {
       y = x + 1;
       while (nums.has(y)) {
         y = y + 1;
       }
-      max = Math.max(max, y - x); // y - x 就是从i开始到最后有多少连续的数字
+      max = Math.max(max, y - x); // y - x 就是从x开始到最后有多少连续的数字
     }
   });
   return max;