Compilare: user.cpp: In function ‘int main()’: user.cpp:32:13: warning: unused variable ‘X’ [-Wunused-variable] int X, POZ; ^ user.cpp:32:16: warning: unused variable ‘POZ’ [-Wunused-variable] int X, POZ; ^ user.cpp:33:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("biscuiti.in","r",stdin); ^ user.cpp:34:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("biscuiti.out","w",stdout); ^ user.cpp:36:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:39:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &Val); ^