stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:62:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
62 | for(int i=1;i<c.size()-1; i++){
| ~^~~~~~~~~~~
stations.cpp:74:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
74 | for(int i=0;i<c.size(); i++){
| ~^~~~~~~~~
/tmp/ccFr0HmL.o: In function `main':
stub.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccJAle2r.o:stations.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status