Borderou de evaluare (job #128501)

Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:22:9: warning: unused variable ‘i’ [-Wunused-variable] user.cpp:22:12: warning: unused variable ‘s’ [-Wunused-variable] user.cpp: In function ‘void dfs2(int, int)’: user.cpp:40:9: warning: unused variable ‘i’ [-Wunused-variable] user.cpp:40:12: warning: unused variable ‘s’ [-Wunused-variable] user.cpp: In function ‘int main()’: user.cpp:57:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:58:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:60:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:63:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]