View Compilation Error

0_0_28982344_25102.cpp: In function 'int main()':
0_0_28982344_25102.cpp:31:15: error: expected initializer before '==' token
         ll ans==1ll<<60;
               ^
0_0_28982344_25102.cpp:33:13: error: 'ans' was not declared in this scope
             ans=min(ans,c*1ll*i+s[n+k-i]+s[m+k-i]);
             ^
0_0_28982344_25102.cpp:34:15: error: 'ans' was not declared in this scope
         cout<<ans<<endl;
               ^