0_0_25609349_7477.cpp:3:10: error: #include expects "FILENAME" or <FILENAME> #include ^ 0_0_25609349_7477.cpp: In function 'int main()': 0_0_25609349_7477.cpp:44:33: error: 'sort' was not declared in this scope sort(node, node + n, cmp);//先对数据进行排序 ^