Borderou de evaluare (job #439559)

Compilare: user.cpp: In function ‘void precalculare()’: user.cpp:9:11: warning: statement has no effect [-Wunused-value] user.cpp:8:19: warning: variable ‘k’ set but not used [-Wunused-but-set-variable] user.cpp: In function ‘int32_t main()’: user.cpp:40:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:41:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:43:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:45:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘long long int solve(long long int)’: user.cpp:37:1: warning: control reaches end of non-void function [-Wreturn-type]