Submission #1346488

#	Time	Username	Problem	Language	Result	Execution time	Memory
1346488		Warinchai	Permutation (APIO22_perm)	C++20	91.33 / 100	1 ms	344 KiB

perm

#include "perm.h"
#include<bits/stdc++.h>
using namespace std;

std::vector<int> construct_permutation(long long k)
{
    vector<int>v;
    vector<int>ans;
    int cnt=0;
    for(int i=0;i<64;i++){
        if((k>>i)&1)v.push_back(i),cnt++;
    }
    int cur=v.back()-1+cnt-1;
    //cerr<<"cur:"<<cur<<"\n";
    for(int i=0;i<v.back();i++){
        if((k>>i)&1)ans.push_back(cur--);
        ans.push_back(i);
    }
    //for(auto x:ans)cerr<<x<<" ";
    //cerr<<"\n";
	return ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 81.3333 / 90