View Compilation Error

0_0_32850347_12863.cpp:1:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_32850347_12863.cpp:2:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_32850347_12863.cpp:3:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_32850347_12863.cpp:4:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_32850347_12863.cpp:5:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_32850347_12863.cpp: In function 'int main()':
0_0_32850347_12863.cpp:13:18: error: 'scanf' was not declared in this scope
     scanf("%d",&t);
                  ^
0_0_32850347_12863.cpp:20:23: error: 'sort' was not declared in this scope
         sort(a+1,a+n+1);
                       ^
0_0_32850347_12863.cpp:40:41: error: 'printf' was not declared in this scope
         printf("Case #%d: %d\n",++tt,ans);
                                         ^