tracks.cpp:14:12: error: array bound is not an integer constant before ']' token
14 | int graph[S][S];
| ^
tracks.cpp:14:15: error: array bound is not an integer constant before ']' token
14 | int graph[S][S];
| ^
tracks.cpp:15:15: error: array bound is not an integer constant before ']' token
15 | int distance[S][S];
| ^
tracks.cpp:15:18: error: array bound is not an integer constant before ']' token
15 | int distance[S][S];
| ^
tracks.cpp: In function 'int main()':
tracks.cpp:23:7: warning: unused variable 'ans' [-Wunused-variable]
23 | int ans = 0;
| ^~~