View Compilation Error

0_0_33186533_27542.cpp: In function 'int main()':
0_0_33186533_27542.cpp:62:7: error: 'maxn' was not declared in this scope
    if(maxn<f[i][0])maxn=f[i][0];
       ^
0_0_33186533_27542.cpp:71:12: error: 'maxn' was not declared in this scope
   rep(i,(k+maxn-1)/maxn,n)
            ^
0_0_33186533_27542.cpp:4:39: note: in definition of macro 'rep'
 #define rep(i,a,n) for(register int i=a;i<=n;++i)
                                       ^