View Compilation Error

0_0_36215718_2747.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_36215718_2747.cpp: In function 'int main()':
0_0_36215718_2747.cpp:7:2: error: 'cin' was not declared in this scope
  cin>>t;
  ^
0_0_36215718_2747.cpp:19:3: error: 'cout' was not declared in this scope
   cout<<s<<endl;
   ^
0_0_36215718_2747.cpp:19:12: error: 'endl' was not declared in this scope
   cout<<s<<endl;
            ^