View Compilation Error

0_0_33864259_25381.cpp:1:1: error: 'include' does not name a type
 include <bits/stdc++.h>
 ^
0_0_33864259_25381.cpp: In function 'int main()':
0_0_33864259_25381.cpp:28:2: error: 'cin' was not declared in this scope
  cin>>T;
  ^
0_0_33864259_25381.cpp:34:36: error: 'printf' was not declared in this scope
    printf("Case #%d: %lld\n",id,ans);
                                    ^
0_0_33864259_25381.cpp:48:35: error: 'printf' was not declared in this scope
   printf("Case #%d: %lld\n",id,ans);
                                   ^