Eroare de compilare: user.cpp: In function ‘void citire()’: user.cpp:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void bellman_ford()’: user.cpp:58: error: ‘memset’ was not declared in this scope user.cpp: In function ‘bool dijkstra()’: user.cpp:127: error: ‘memset’ was not declared in this scope