modify main.cpp

cpp/main.cpp

@@ -36,7 +36,7 @@ int main()
 		/*for (auto grid : path) {
 			cout << grid->x << ", " << grid->y << endl;
 		}*/
-		cout << path.size() << endl;
+		cout << "steps: "<<path.size() << endl;
 		// 显示迷宫路径，路径用*表示
 		astar.printPath(startGrid,endGrid,path);
 	}