Compilare: main.cpp: In function 'int main()': main.cpp:15:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("stv.in","r",stdin); ^ main.cpp:16:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("stv.out","w",stdout); ^ main.cpp:51:20: warning: 'ind' may be used uninitialized in this function [-Wmaybe-uninitialized] afis[++cnt]=ind; ~~~~~~~~~~~^~~~