Submission #1168156

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1168156	2025-03-17 04:53:50	wii	Permutation (APIO22_perm)	C++17	Compilation error	0 ms	0 KiB

perm

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#include <bits/stdc++.h>
#include <perm.h>
using namespace std;
void dnc(deque<int> &v, int id, long long u) {
    if (id < 0) return;
    if (u & 1) {
        dnc(v, id - 1, u >> 1);
        v.push_back(id);
    } else {
        dnc(v, id - 1, u - 1);
        v.push_front(id);
    }
}
vector<int> construct_permutation(long long k) {
    k -= 1;
    int cnt = 0;
    for (long long x = k; x > 0; x = (~x & 1 ? --x : x >> 1), ++cnt);
    deque<int> ans;
    dnc(ans, cnt - 2, k);
    return vector<int>(ans.begin(), ans.end());
}
 
 
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Compilation message (stderr)

perm.cpp:2:10: fatal error: perm.h: No such file or directory
    2 | #include <perm.h>
      |          ^~~~~~~~
compilation terminated.