Borderou de evaluare (job #134895)

Compilare: user.cpp: In function ‘void BFS(int)’: user.cpp:24:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘void BFS1(int)’: user.cpp:45:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘void DFS(int)’: user.cpp:60:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:92:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:68:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:69:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:70:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:74:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]