Problem	nis
User	Hijackedsoul
Submission Time	2024-01-07 19:15:15
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

nis.cpp: In function ‘int32_t main()’:
nis.cpp:63:11: error: ‘struct node’ has no member named ‘upd’
63 | root->upd(arr[0], 1);
| ^~~