Problem	housevisit
User	wtnetlegend
Submission Time	2026-05-31 02:35:30
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

housevisit.cpp: In function ‘int main()’:
housevisit.cpp:45:26: error: invalid types ‘ll {aka long long int}[std::tuple_element<1, std::pair<long long int, long long int> >::type {aka long long int}]’ for array subscript
45 | newnode[x] = true;
| ^