View Compilation Error

0_0_33965876_20187.cpp: In function 'int main()':
0_0_33965876_20187.cpp:49:3: error: 'cout' was not declared in this scope
   cout<<ans<<" "<<2*cnt<<endl;
   ^
0_0_33965876_20187.cpp:49:26: error: 'endl' was not declared in this scope
   cout<<ans<<" "<<2*cnt<<endl;
                          ^