View Compilation Error

0_0_24126852_30582.cpp: In function 'int main()':
0_0_24126852_30582.cpp:49:7: error: 'lmax' was not declared in this scope
    if(lmax<f[N][i])
       ^
0_0_24126852_30582.cpp:51:9: error: 'lmax' was not declared in this scope
   cout<<lmax<<endl;
         ^