Compilare: user.cpp:114:3: warning: no newline at end of file user.cpp: In function 'void dfs1(long int)': user.cpp:31: warning: comparison between signed and unsigned integer expressions user.cpp:36: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void dfs2(int, int)': user.cpp:55: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void citire()': user.cpp:72: warning: format '%ld' expects type 'long int*', but argument 2 has type 'int*' user.cpp:78: warning: format '%ld' expects type 'long int*', but argument 2 has type 'int*' user.cpp: In function 'void solve()': user.cpp:86: warning: unused variable 'i'