Borderou de evaluare (job #28680)

Compilare: user.cpp: In function ‘int circular(int)’: user.cpp:25:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] user.cpp: In function ‘int main()’: user.cpp:43:33: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:41:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:42:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:44:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:48:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]