View Compilation Error

0_0_33341052_23656.cpp: In function 'int main()':
0_0_33341052_23656.cpp:36:5: error: 'cin' was not declared in this scope
     cin>>t;
     ^
0_0_33341052_23656.cpp:52:9: error: 'cout' was not declared in this scope
         cout<<MIN<<endl;
         ^
0_0_33341052_23656.cpp:52:20: error: 'endl' was not declared in this scope
         cout<<MIN<<endl;
                    ^