View Compilation Error

0_0_18486160_1199.cpp:20:1: error: 'booldangours' does not name a type
 booldangours; //标记访问
 ^
0_0_18486160_1199.cpp: In member function 'void node::clear()':
0_0_18486160_1199.cpp:29:1: error: 'dangours' was not declared in this scope
 dangours = false;
 ^
0_0_18486160_1199.cpp: In function 'void dfs(int, node*)':
0_0_18486160_1199.cpp:113:12: error: 'struct node' has no member named 'dangours'
 if(!temp ->dangours)
            ^
0_0_18486160_1199.cpp:119:9: error: 'struct node' has no member named 'dangours'
 temp -> dangours = true;
         ^
0_0_18486160_1199.cpp: In function 'int main()':
0_0_18486160_1199.cpp:339:9: error: 'struct node' has no member named 'dangours'
 temp -> dangours = false;
         ^