View Compilation Error

0_0_32229651_156.cpp:1:1: error: 'include' does not name a type
 include <bits/stdc++.h>
 ^
0_0_32229651_156.cpp: In function 'int main()':
0_0_32229651_156.cpp:15:5: error: 'cin' was not declared in this scope
     cin>>T;
     ^
0_0_32229651_156.cpp:19:23: error: 'scanf' was not declared in this scope
         scanf("%d", &n);
                       ^
0_0_32229651_156.cpp:29:34: error: 'sort' was not declared in this scope
             sort(c + 1, c + 1 + n);
                                  ^
0_0_32229651_156.cpp:52:44: error: 'printf' was not declared in this scope
         printf("Case #%d: %lld\n", cas, ans);
                                            ^