0_0_39403919_25238.cpp: In function 'int main()':
0_0_39403919_25238.cpp:19:16: error: 'a' was not declared in this scope
19 | memset(a,0,sizeof(Node)*MAXN);
| ^
0_0_39403919_25238.cpp:19:27: error: 'Node' was not declared in this scope
19 | memset(a,0,sizeof(Node)*MAXN);
| ^~~~
|