Compilare: user.cpp: In function ‘int main()’: user.cpp:10:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secv7.in","r",stdin); ^ user.cpp:11:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secv7.out","w",stdout); ^ user.cpp:71:26: warning: ‘ind2’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<ind1<<' '<<ind2; ^ user.cpp:71:11: warning: ‘ind1’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<ind1<<' '<<ind2; ^