View Compilation Error

0_0_36484724_3548.cpp: In function 'int main()':
0_0_36484724_3548.cpp:85:6: error: redeclaration of 'll ans'
   ll ans=min(ans,(x1-1)*(x1-1));
      ^
0_0_36484724_3548.cpp:84:6: note: 'll ans' previously declared here
   ll ans=min((n-1)*(n-1),(m-x2)*(m-x2));
      ^