Compilare: user.cpp: In function ‘int main()’: user.cpp:82:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp:83:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("livada2.in", "r", stdin); ^ user.cpp:84:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("livada2.out", "w", stdout); ^