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답안 #741585

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
741585 2023-05-14T12:17:19 Z shantol 순열 (APIO22_perm) C++17
100 / 100
 8 ms 368 KB 
#include "perm.h"

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

#define ll long long
#define sz size()
#define pb push_back
#define lb lower_bound
#define all(x) x.begin(),x.end()

vector<int> construct_permutation(ll k){
    int bit=64-__builtin_clzll(k);
    vector<double> ans;
    bool flag=false;
    while(bit>0){
        bit-=2;
        if(bit==-1){
            ans.pb(100);
            if(k&1)ans.pb(-100);
        }
        else{
            int val=(k>>bit)&3;
            if(ans.empty()){
                if(val==2) ans.pb(0);
                else ans={1,0},flag=true;
                continue;
            }
            if(val==0){
                ans.pb(100);
                ans.pb(101);
            }
            else if(val==1){
                ans.pb(100);
                ans.pb(101);
                ans.pb(-100);
                flag=true;
            }
            else if(val==2){
                ans.pb(100);
                ans.pb(-100);
                ans.pb(101);
                flag=true;
            }
            else{
                if(!flag){
                    ans.pb(100);
                    ans.pb(-100);
                    ans.pb(101);
                    ans.pb(-101);
                    flag=true;
                }
                else{
                    ans.pb(100);
                    ans.pb(101);
                    ans.pb(1.5);
                }
            }
        }
        vector<double> uni(all(ans));
        sort(all(uni));
        for(auto &i:ans)i=lb(all(uni),i)-uni.begin();
    }
    return vector<int> (all(ans));
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 0 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 3 ms 340 KB Output is correct
6 Correct 4 ms 340 KB Output is correct
7 Correct 5 ms 340 KB Output is correct
8 Correct 8 ms 340 KB Output is correct
9 Correct 3 ms 340 KB Output is correct
10 Correct 6 ms 340 KB Output is correct
11 Correct 7 ms 340 KB Output is correct
12 Correct 7 ms 336 KB Output is correct
13 Correct 7 ms 368 KB Output is correct