Submission #980544

#	Time	Username	Problem	Language	Result	Execution time	Memory
980544		Nexus	Permutation (APIO22_perm)	C++17	10 / 100	1 ms	348 KiB

perm

#include <bits/stdc++.h>
#define ll long long

using namespace std;

const ll N=1e6+9,M=2e18+9,mod=1e9+7;

ll a[66],q,k,x,y,z;
vector<int>v;

vector<int>construct_permutation(ll k)
{
    x=(ll)log2(k);
    v.clear();
    y=x-1;
    k-=pow(2,x);
    for(ll i=62;i>=0;--i)
    {
        if(k>=pow(2,i))k-=pow(2,i),a[i]=1,++y;else a[i]=0;
    }
    for(ll i=0;i<x;++i)
    {
        if(a[i])v.push_back((ll)y),--y;
        v.push_back((ll)i);
    }
    return v;
}

/*
int main()
{
    ios::sync_with_stdio(0);
    //cin.tie(0);cout.tie(0);

    cin>>q;
    while(q--)
    {
        cin>>k;
        vector<int>g=construct_permutation(k);
        for(auto i:g)cout<<i<<' ';
        cout<<'\n';
    }
}
*/

• Subtask 1: 10 / 10
• Subtask 2: 0 / 90