Main.cc: In function ‘int main()’: Main.cc:4:15: error: conflicting declaration ‘int n [100]’ int n,m,n[100],m[20],num; ^ Main.cc:4:6: note: previous declaration as ‘int n’ int n,m,n[100],m[20],num; ^ Main.cc:4:21: error: conflicting declaration ‘int m [20]’ int n,m,n[100],m[20],num; ^ Main.cc:4:8: note: previous declaration as ‘int m’ int n,m,n[100],m[20],num; ^ Main.cc:8:11: error: invalid types ‘int[int]’ for array subscript cin>>n[i]; ^ Main.cc:11:11: error: invalid types ‘int[int]’ for array subscript cin>>m[i]; ^