Compilare: main.cpp: In function 'int main()': main.cpp:15:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("risc2.in","r",stdin); ^ main.cpp:16:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("risc2.out","w",stdout); ^ main.cpp:42:14: warning: 'sapozmet' may be used uninitialized in this function [-Wmaybe-uninitialized] ans=ans>n-sapozmet-invsapoz-1?n-sapozmet-invsapoz-1:ans; ~^~~~~~~~~