| # | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1118740 | Username_taken12 | Permutation (APIO22_perm) | C++17 | 1 ms | 452 KiB |
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"
using namespace std;
vector<int> construct_permutation(long long k) {
//int cnt = std::popcount((unsigned long long) k);
int cnt=0;
int size =0;
long long t=k;
while(t>0){
size++;
t/=2;
if(t%2==1)
cnt++;
}
int len = size+cnt-1;
int h=len;
int a =1;
vector<int> out;
while(k>1){
if(k%2==1)
out.push_back(h--);
out.push_back(a++);
k/=2;
}
return out;
}
/*int main() {
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