Compilare: user.cpp: In function ‘int main()’: user.cpp:110:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("castel3.in","r",stdin); ^ user.cpp:111:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("castel3.out","w",stdout); ^ user.cpp:173:72: warning: ‘sfarsit.pozitie::linie’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<inceput.linie<<" "<<inceput.coloana<<" "<<sfarsit.linie<<" "<<sfarsit.coloana; ^~~ user.cpp:173:52: warning: ‘inceput.pozitie::coloana’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<inceput.linie<<" "<<inceput.coloana<<" "<<sfarsit.linie<<" "<<sfarsit.coloana; ^~~ user.cpp:173:92: warning: ‘sfarsit.pozitie::coloana’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<inceput.linie<<" "<<inceput.coloana<<" "<<sfarsit.linie<<" "<<sfarsit.coloana; ^ user.cpp:173:30: warning: ‘inceput.pozitie::linie’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<inceput.linie<<" "<<inceput.coloana<<" "<<sfarsit.linie<<" "<<sfarsit.coloana; ^~~ user.cpp:158:13: warning: ‘care’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(mlee[i][j]==care&&repetitie==0) ^~