Problem	poklon
User	YH
Submission Time	2025-12-03 21:07:57
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

poklon.cpp: In function ‘void solve()’:
poklon.cpp:125:83: error: cannot bind non-const lvalue reference of type ‘int&’ to an rvalue of type ‘int’
125 | if (get<0>(mp[a[i]]) != -1) roots[i] = update(roots[i], 1, n, get<0>(mp[a[i]]), 0);
| ^
poklon.cpp:82:53: note: initializing argument 5 of ‘int update(int, int, int, int&, int&)’
82 | int update(int prev, int tl, int tr, int &idx, int &val) {
| ~~~~~^~~
poklon.cpp:132:83: error: cannot bind non-const lvalue reference of type ‘int&’ to an rvalue of type ‘int’
132 | if (get<0>(mp[a[i]]) != -1) roots[i] = update(roots[i], 1, n, get<0>(mp[a[i]]), -1);
| ^~
poklon.cpp:82:53: note: initializing argument 5 of ‘int update(int, int, int, int&, int&)’