Submission #618069

#	Time	Username	Problem	Language	Result	Execution time	Memory
618069		Lobo	Permutation (APIO22_perm)	C++17	0 / 100	1092 ms	276 KiB

perm

#include "perm.h"
#include<bits/stdc++.h>
using namespace std;
#define int long long

vector<int32_t> construct_permutation(int k)
{
	int k1 = k;
	int k2 = 1;
	for(int i = 1; i <= 1e8; i++) {
		if(k%i == 0) {
			k1 = i;
			k2 = k/i;
		}
	}
    vector<int32_t> vc;
    deque<int> ans;
    int lg = 0;
    for(int i = 0; i <= 60; i++) {
    	if(k1 >= (1LL<<i)) lg = i;
    }
    for(int i = lg-1; i >= 0; i--) {
        ans.push_back((int) ans.size());
        if(k&(1LL<<i)) ans.push_front((int) ans.size());
    }
    for(auto x : ans) {
    	vc.push_back(x);
    }

    deque<int> ans2;
    int lg2 = 0;
    for(int i = 0; i <= 60; i++) {
    	if(k2 >= (1LL<<i)) lg2 = i;
    }
    for(int i = lg2-1; i >= 0; i--) {
        ans2.push_back((int) ans2.size());
        if(k2&(1LL<<i)) ans2.push_front((int) ans2.size());
    }
    for(auto x : ans2) {
    	vc.push_back(x);
    }
    return vc;

}

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