View Compilation Error

0_0_34338485_18126.cpp:1:1: error: 'include' does not name a type
 include<bits/stdc++.h>
 ^
0_0_34338485_18126.cpp: In function 'int main()':
0_0_34338485_18126.cpp:33:20: error: 'scanf' was not declared in this scope
     scanf("%lld",&t);
                    ^
0_0_34338485_18126.cpp:35:33: error: 'memset' was not declared in this scope
         memset(num,0,sizeof(num));
                                 ^
0_0_34338485_18126.cpp:72:36: error: 'printf' was not declared in this scope
                 printf("%lld\n",ans);
                                    ^