update comment

track-123 · Oct 9, 2018 · 7044c15 · 7044c15
1 parent 473ef5a
commit 7044c15
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/object-c/08_stack/stack_practice/BalancedParentheses.m b/object-c/08_stack/stack_practice/BalancedParentheses.m
@@ -24,7 +24,7 @@ - (BOOL)checkForParenthessBlanced:(NSString *)express {
             // 前半部分把与 ele 匹配的括号加入栈
             [_stack push:parenthesesDict()[ele]];
         } else {
-            // 后半部分依次于栈顶的括号匹配
+            // 后半部分检查栈顶的元素与当前元素是否相同
             NSString *topEle = [_stack pop];
             if (![topEle isEqualToString:ele]) {
                 return NO;