Problem	adjlist
User	KJF
Submission Time	2026-02-17 20:31:22
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

adjlist.cpp: In function ‘int main()’:
adjlist.cpp:9:21: error: wrong number of template arguments (1, should be at least 2)
9 | map<int: vector<int>> nums;
| ^~
In file included from /usr/include/c++/9/map:61,
from adjlist.cpp:2:
/usr/include/c++/9/bits/stl_map.h:100:11: note: provided for ‘template<class _Key, class _Tp, class _Compare, class _Alloc> class std::map’
100 | class map
| ^~~
adjlist.cpp:13:9: error: invalid types ‘int[int]’ for array subscript
13 | nums[a].push_back(b);
| ^
adjlist.cpp:14:9: error: invalid types ‘int[int]’ for array subscript
14 | nums[b].push_back(a);
| ^
adjlist.cpp:16:25: error: ‘begin’ was not declared in this scope; did you mean ‘std::begin’?
16 | for (vector<int> num : nums) {
| ^~~~
| std::begin
In