Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:20: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:21: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void Read()’: user.cpp:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void dijkstra(int)’: user.cpp:52: error: ‘q’ was not declared in this scope user.cpp:59: warning: comparison between signed and unsigned integer expressions user.cpp:61: error: expected primary-expression before ‘}’ token user.cpp:61: error: expected ‘;’ before ‘}’ token