View Compilation Error

0_0_22049223_2011.cpp: In function 'int main()':
0_0_22049223_2011.cpp:51:3: error: 'll' was not declared in this scope
   ll ans=0;
   ^
0_0_22049223_2011.cpp:57:4: error: 'ans' was not declared in this scope
    ans+=lcp;
    ^
0_0_22049223_2011.cpp:59:19: error: 'ans' was not declared in this scope
   printf("%lld\n",ans);
                   ^