Compilare: main.cpp: In function 'int main()': main.cpp:40:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("carnati.in","r",stdin); ^ main.cpp:41:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("carnati.out","w",stdout); ^ main.cpp: In function 'int profi(int)': main.cpp:29:12: warning: 'maxim_l' may be used uninitialized in this function [-Wmaybe-uninitialized] return maxim_l; ^~~~~~~