Submission #734486

#	Time	Username	Problem	Language	Result	Execution time	Memory
734486		bin9638	Permutation (APIO22_perm)	C++17	91.33 / 100	3 ms	340 KiB

perm

#include <bits/stdc++.h>

#ifndef SKY
#include "perm.h"
#endif // SKY

using namespace std;

#define N 1010
#define ll long long
#define fs first
#define sc second
#define ii pair<ll,int>
#define pb push_back

vector<int> construct_permutation(long long k)
{
    int u=63-__builtin_clzll(k),n=0;
    //cout<<k<<" "<<u<<endl;
    k-=(1ll<<u);
    vector<int>lis[N];
    for(int i=1;i<=u;i++)
        lis[i].pb(n++);
    while(k>0)
    {
        int cc=63-__builtin_clzll(k);
        k-=(1ll<<cc);
        lis[cc].pb(n++);
    }
	vector<int>kq;
	for(int i=0;i<=60;i++)
        for(auto u:lis[i])
            kq.pb(u);
    return kq;
}

#ifdef SKY
int main()
{
    freopen("A.inp","r",stdin);
    freopen("A.out","w",stdout);
    ios::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    ll k;
    cin>>k;
    vector<int>kq=construct_permutation(k);
    for(auto u:kq)cout<<u<<" ";
    return 0;
}
#endif

• Subtask 1: 10 / 10
• Subtask 2: 81.333333333 / 90