Compilare: user.cpp: In function ‘void cauta(int, int)’: user.cpp:64: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘void dijkstra(int)’: user.cpp:83: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:126: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:131: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result