build

chapter_graph/graph_operations.md

@@ -952,7 +952,9 @@ comments: true
         /* 打印邻接表 */
         void print() {
             cout << "邻接表 =" << endl;
-            for (auto& [key, vec] : adjList) {
+            for (auto& adj  : adjList) {
+                const auto& key= adj.first;
+                const auto& vec = adj.second;
                 cout << key->val << ": ";
                 PrintUtil::printVector(vetsToVals(vec));
             }