제출 #1139276

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1139276		Sang	순열 (APIO22_perm)	C++20	71.22 / 100	7 ms	1348 KiB

perm

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

#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; i++)
#define FORD(i, a, b) for (int i = (a), _b = (b); i >= _b; i--)
#define fi first
#define se second
#define pb push_back
#define ALL(a) (a).begin(), (a).end()
#define task "kbsiudthw"

typedef vector<int> vi;
typedef pair<int, int> ii;
typedef pair<int, ii> pii;

const int N = 1e5 + 5;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 2277;

vector<int> construct_permutation(long long k){
    vi bit, ans;
    int s = 0, cnt = 0;
    k--;
    while (k){
        FORD(i, 60, 1){
            if (k < (1ll<<i) -1 ) continue;
            k -= (1ll<<i) - 1;
            s += i;
            bit.pb(i);
            break;
        }
    }
    --s;
    for (int &x : bit){
        FOR (i, s - x + 1, s){
            ans.pb(i);
        }
        s -= x;
    }
    return ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 61.2154 / 90