View Compilation Error

0_0_26003609_4346.cpp: In function 'int main()':
0_0_26003609_4346.cpp:24:12: error: redeclaration of 'long long int ans'
         ll ans = abs(ans);
            ^
0_0_26003609_4346.cpp:23:6: note: 'long long int ans' previously declared here
   ll ans = a*(bb-cc) + b*(cc-aa) + c*(aa-bb);
      ^