Borderou de evaluare (job #166687)

Compilare: user.cpp: In function ‘int get_int()’: user.cpp:42:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:45:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp: In function ‘void dfs(int, int, int)’: user.cpp:67:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘char get_char()’: user.cpp:30:29: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]