Compilare: main.cpp: In member function 'll window::pop()': main.cpp:46:9: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In member function 'll window::getm()': main.cpp:50:9: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:58:45: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secvbest.in" , "r" ,stdin) ; ^ main.cpp:59:47: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secvbest.out" ,"w" , stdout) ; ^