traffic.cpp: In function 'void dfs(int, int, int)':
traffic.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
23 | for (int i = 0; i < g[node].size(); ++i)
| ~~^~~~~~~~~~~~~~~~
traffic.cpp: At global scope:
traffic.cpp:36:11: error: ambiguating new declaration of 'long long int LocateCentre(int, int*, int*, int*)'
36 | long long LocateCentre(int N, int pp[], int S[], int D[])
| ^~~~~~~~~~~~
In file included from traffic.cpp:1:
traffic.h:1:5: note: old declaration 'int LocateCentre(int, int*, int*, int*)'
1 | int LocateCentre(int N, int P[], int S[], int D[]);
| ^~~~~~~~~~~~