Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:19: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void dijkstra()’: user.cpp:38: error: ‘stack’ was not declared in this scope user.cpp:38: error: expected primary-expression before ‘int’ user.cpp:38: error: expected ‘;’ before ‘int’ user.cpp:38: error: ‘q’ was not declared in this scope user.cpp:47: warning: comparison between signed and unsigned integer expressions