oj.uz

답안 #638568

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
638568 2022-09-06T11:55:37 Z bachhoangxuan 순열 (APIO22_perm) C++17
100 / 100
 2 ms 340 KB 
#include "perm.h"
#include<bits/stdc++.h>
using namespace std;

vector<int> construct_permutation(long long k){
    if(k==1) return {};
    else if(k==2) return {0};
    else if(k==3) return {1,0};
    vector<int> res=construct_permutation(k>>2);
    int s=(int)res.size();
    if(k%4==0){res.push_back(s);res.push_back(s+1);}
    else if(k%4==1){res.push_back(s);res.push_back(s+1);res.push_back(-1);for(int &x:res) x++;}
    else if(k%4==2){res.push_back(s);res.push_back(-1);res.push_back(s+1);for(int &x:res) x++;}
    if(k%4!=3) return res;
    if((k>>2)<=2 || (k>>2)%4==0){
        res.push_back(s);res.push_back(-1);res.push_back(s+1);res.push_back(-2);
        for(int &x:res) x+=2;
    }
    else{
        res.push_back(s);res.push_back(s+1);
        for(int &x:res){if(x>=2) x++;}
        res.push_back(2);
    }
    return res;
}
/*
signed main(){
    int n;cin >> n;
    vector<int> res=construct_permutation(n);
    for(int v:res) cout << v << ' ';
}
*/

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
90.0 / 90.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 316 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct