0_0_33340963_22807.cpp: In function 'int main()': 0_0_33340963_22807.cpp:107:36: error: request for member 'c_str' in 'node[z].Node::name', which is of non-class type 'char [12]' printf("%s %d %d\n",node[z].name.c_str(),node[z].cnt,node[z].tim); ^