Borderou de evaluare (job #483761)

Compilare: user.cpp: In function 'long long int add_element(int, long long int)': user.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type] user.cpp: In function 'int main()': user.cpp:50:30: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat] user.cpp:37:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:38:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:40:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:43:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]