Borderou de evaluare (job #282365)

Compilare: user.cpp: In function ‘void Dfs(int)’: user.cpp:31:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘void Bfs()’: user.cpp:47:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘void Write()’: user.cpp:62:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘void Read()’: user.cpp:19:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:20:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:23:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]