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답안 #984121

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
984121 2024-05-16T10:21:28 Z vjudge1 순열 (APIO22_perm) C++17
65.2769 / 100
 15 ms 1420 KB 
#include "perm.h"
#include<bits/stdc++.h>
#define sz size()
#define ll long long
using namespace std;
mt19937_64 rnd(990910211394901);
vector<int> construct_permutation(ll k)
{
    ll z = 1, sum = 0;
    --k;
    vector<ll> x;
    for(ll t = 1; t <= 1000; ++t)
        for(ll j = 59; j > 0; --j)
        {
            if((z << j) - 1 > k) continue;
            x.push_back(j);
            k -= (z << j) - 1;
            sum += j;
        }

    for(ll st = 0; st <= 500; ++st)
    {
        vector<ll> _x;
        ll _k = k;
        ll cnt = 0;
        for(ll t = 1; t <= 2000 && _k > 0; ++t)
        {
            for(ll j = 59; j > 0; --j)
            {
                if((z << j) - 1 > _k) continue;
                ll m = (rnd() % j) + 1;
                _x.push_back(m);
                _k -= (z << m) - 1;
                cnt += m;
                break;
            }
        }
        if(cnt > 0 && cnt < sum)
            sum = cnt, x = _x;
    }

    ll cur = 0;
    vector<int> ans;
    for(ll t : x)
    {
        for(ll i = cur + t; i > cur; --i)
            ans.push_back(i - 1);
        cur += t;
    }
    reverse(ans.begin(), ans.end());
    return ans;
}

//signed main()
//{
//    ios_base::sync_with_stdio(0);
//    cin.tie(0), cout.tie(0);
//    ll n;
//    cin >> n;
//    for(auto i : construct_permutation(n))
//        cout << i << ' ';
//}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 4 ms 348 KB Output is correct

Subtask #2
55.276923078 / 90.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Partially correct 5 ms 356 KB Partially correct
4 Partially correct 6 ms 348 KB Partially correct
5 Partially correct 10 ms 856 KB Partially correct
6 Partially correct 8 ms 604 KB Partially correct
7 Partially correct 10 ms 860 KB Partially correct
8 Partially correct 13 ms 1116 KB Partially correct
9 Correct 5 ms 348 KB Output is correct
10 Partially correct 15 ms 1420 KB Partially correct
11 Partially correct 12 ms 1116 KB Partially correct
12 Partially correct 11 ms 860 KB Partially correct
13 Partially correct 15 ms 1116 KB Partially correct