View Compilation Error

0_0_30453757_4588.cpp:1:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_30453757_4588.cpp: In function 'int main()':
0_0_30453757_4588.cpp:10:18: error: 'scanf' was not declared in this scope
  scanf("%d",&loop);
                  ^
0_0_30453757_4588.cpp:27:37: error: 'printf' was not declared in this scope
         printf("Case %d: ", casei ++);
                                     ^