Compilare: user.cpp: In function ‘void dijkstra(int)’: user.cpp:28: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:48: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘long long int*’ user.cpp:48: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘long long int*’ user.cpp:48: warning: format ‘%lld’ expects type ‘long long int*’, but argument 4 has type ‘int*’ user.cpp:59: warning: comparison between signed and unsigned integer expressions user.cpp:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:46: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:48: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result