View Compilation Error

0_0_35802152_16515.cpp: In function 'int main()':
0_0_35802152_16515.cpp:4:13: error: 'ios' has not been declared
 #define ios ios::sync_with_stdio(false);
             ^
0_0_35802152_16515.cpp:10:5: note: in expansion of macro 'ios'
     ios;
     ^
0_0_35802152_16515.cpp:11:5: error: 'cin' was not declared in this scope
     cin.tie(0);
     ^
0_0_35802152_16515.cpp:12:5: error: 'cout' was not declared in this scope
     cout.tie(0);
     ^
0_0_35802152_16515.cpp:39:20: error: 'endl' was not declared in this scope
         cout<<MAX<<endl;
                    ^