View Compilation Error

0_0_15098244_19071.cpp:2:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_15098244_19071.cpp: In function 'int main()':
0_0_15098244_19071.cpp:73:19: error: 'scanf' was not declared in this scope
     scanf("%d", &t);
                   ^
0_0_15098244_19071.cpp:76:31: error: 'printf' was not declared in this scope
         printf("Case %d: ", tt);
                               ^