Compilare: user.cpp: In function ‘int Update(int, int, int, int, long long int)’: user.cpp:27:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int Query(int, int, int, int, int)’: user.cpp:38:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int Bs1(int)’: user.cpp:54:9: warning: unused variable ‘l’ [-Wunused-variable] { int i,l=1,r=n,m; ^ user.cpp:54:13: warning: unused variable ‘r’ [-Wunused-variable] { int i,l=1,r=n,m; ^ user.cpp:54:17: warning: unused variable ‘m’ [-Wunused-variable] { int i,l=1,r=n,m; ^ user.cpp: In function ‘int Bs2(int)’: user.cpp:68:9: warning: unused variable ‘l’ [-Wunused-variable] { int i,l=1,r=n,m; ^ user.cpp:68:13: warning: unused variable ‘r’ [-Wunused-variable] { int i,l=1,r=n,m; ^ user.cpp:68:17: warning: unused variable ‘m’ [-Wunused-variable] { int i,l=1,r=n,m; ^ user.cpp: In function ‘void Dinamic()’: user.cpp:101:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<lft[i].size();j++) ^