Compilare: user.cpp: In function ‘bool groapa(long long int*, int, int)’: user.cpp:31:11: warning: statement has no effect [-Wunused-value] for(lo; lo <= hi ; lo++){ ^ user.cpp: In function ‘int lungime1(int, int, int, int)’: user.cpp:55:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int lungime2(int, int, int, int)’: user.cpp:70:1: warning: control reaches end of non-void function [-Wreturn-type] } ^