View Compilation Error

0_0_30453367_20511.cpp: In function 'int main()':
0_0_30453367_20511.cpp:54:13: error: invalid conversion from 'int (*)(ll*) {aka int (*)(long long int*)}' to 'll {aka long long int}' [-fpermissive]
          ans+=x
             ^
0_0_30453367_20511.cpp:56:3: error: expected ';' before '}' token
   }
   ^