Borderou de evaluare (job #17247)

Compilare: user.cpp: In function 'int main()': user.cpp:28:21: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'long int' [-Wformat] user.cpp:16:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:17:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:18:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]