Eroare de compilare: user.cpp:11: error: size of array 'a' is too large user.cpp: In function 'void citire()': user.cpp:21: warning: format '%ld' expects type 'long int*', but argument 2 has type 'int*' user.cpp:21: warning: format '%ld' expects type 'long int*', but argument 3 has type 'int*' user.cpp:23: error: 'a' was not declared in this scope user.cpp: In function 'void dfs(long int)': user.cpp:35: error: 'a' was not declared in this scope