Compilare: user.cpp: In function ‘int main()’: user.cpp:32:44: warning: variable ‘elem’ set but not used [-Wunused-but-set-variable] int n,transporturi,s,maxx,st,dr,i,mijl,elem; ^~~~ user.cpp:30:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("transport.in","r",stdin); ^ user.cpp:31:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("transport.out","w",stdout); ^ user.cpp:55:15: warning: ‘mijl’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<mijl; ^