traffic.cpp: In function 'void dfs(long long int)':
traffic.cpp:16:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
16 | for(ll i=0;i<adj[j].size();i++){
| ~^~~~~~~~~~~~~~
traffic.cpp: In function 'long long int calc(long long int)':
traffic.cpp:25:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | for(ll i=0;i<adj[j].size();i++){
| ~^~~~~~~~~~~~~~
traffic.cpp: In function 'void check(long long int)':
traffic.cpp:33:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
33 | for(ll i=0;i<adj[j].size();i++){
| ~^~~~~~~~~~~~~~
traffic.cpp: At global scope:
traffic.cpp:45:4: error: ambiguating new declaration of 'long long int LocateCentre(int, int*, int*, int*)'
45 | ll LocateCentre(int n,int a[],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[]);
| ^~~~~~~~~~~~