Problem	subperm
User	justin271828
Submission Time	2026-05-18 20:37:11
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

subperm.cpp: In function ‘long long int count_subperm(int32_t, std::vector<int>)’:
subperm.cpp:125:51: error: no matching function for call to ‘max(long long int, int)’
125 | int l = max(k-i+1, max(0LL, prev2[k]+1));
| ^
In file included from /usr/include/c++/9/bits/specfun.h:45,
from /usr/include/c++/9/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
from subperm.cpp:1:
/usr/include/c++/9/bits/stl_algobase.h:222:5: note: candidate: ‘template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)’
222 | max(const _Tp& __a, const _Tp& __b)
| ^~~
/usr/include/c++/9/bits/stl_algobase.h:222:5: note: template argument deduction/substitution failed:
subperm.cpp:125:51: note: deduced conflicting types for parameter ‘const _Tp’ (‘long long int’ and ‘int’)
125 |