Compilare: user.cpp: In function ‘int main()’: user.cpp:38:10: warning: unused variable ‘ok1’ [-Wunused-variable] bool ok1=0, ok2=0; ^ user.cpp:38:17: warning: unused variable ‘ok2’ [-Wunused-variable] bool ok1=0, ok2=0; ^ user.cpp: In function ‘int cautacoloana(int, int)’: user.cpp:20:12: warning: ‘linia’ may be used uninitialized in this function [-Wmaybe-uninitialized] return linia; ^ user.cpp: In function ‘int cautalinie(int, int)’: user.cpp:32:12: warning: ‘coloana’ may be used uninitialized in this function [-Wmaybe-uninitialized] return coloana; ^