Compilare: user.cpp: In function ‘void citire()’: user.cpp:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:40: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void BFLee(int, int)’: user.cpp:59: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘void BellmanFord()’: user.cpp:80: warning: suggest parentheses around assignment used as truth value