escape_route.cpp: In function 'void dijkstra(int)':
escape_route.cpp:36:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
36 | for(int i=0;i<v[x].size();i++){
| ~^~~~~~~~~~~~
escape_route.cpp: In function 'void query(int, long long int)':
escape_route.cpp:58:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
58 | for(int i=0;i<v[x].size();i++){
| ~^~~~~~~~~~~~
/usr/bin/ld: /tmp/ccOKdz1V.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cchRT3YZ.o:escape_route.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccOKdz1V.o: in function `main':
grader.cpp:(.text.startup+0x6ea): undefined reference to `calculate_necessary_time(int, int, long long, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<long long, std::allocator<long long> >, std::vector<long long, std::allocator<long long> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<long long, std::allocator<long long> >)'
collect2: error: ld returned 1 exit status