View Compilation Error

0_0_25735447_21301.cpp: In function 'int main()':
0_0_25735447_21301.cpp:36:44: error: 'struct node' has no member named 'n'
         ans1[9].r=max(1,ans1[9].r),ans1[9].n=max(n,ans1[9].r);
                                            ^