This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "perm.h"
// #include "grader.cpp"
using namespace std;
using ll = long long;
vector<int> construct_permutation(ll k) {
k--;
int sm = -1;
vector<int> v;
while (k) {
int x = __lg(k + 1);
if (x && (rand() & 1)) x--;
sm += x;
v.push_back(x);
k -= (1LL << x) - 1;
}
vector<int> ans;
for (int i = 0; i < (int)v.size(); i++) {
for (int j = sm - v[i] + 1; j <= sm; j++) {
ans.push_back(j);
}
sm -= v[i];
}
return ans;
}
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