Compilare: user.cpp: In function ‘void dijkstra(int*, int*)’: user.cpp:73: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:94: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:97: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:145: warning: ‘ii’ may be used uninitialized in this function