Submission #650228

#	Time	Username	Problem	Language	Result	Execution time	Memory
650228		truc12a2cvp	Permutation (APIO22_perm)	C++17	91.33 / 100	2 ms	344 KiB

perm

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> II;
const int N = 1e5 + 5, logN = 20;
const int MOD = 1e9 + 7;
const ll INF = 1e9;

vector<int> construct_permutation(ll k){
       vector<int> ans;
       int m = 0;
       for(int i = 59; i >= 0; i --){
              if(k >> i & 1){
                     m = i;
                     break;
              }
       }
       for(int i = 0; i < m; i ++) ans.push_back(i);
       int cur = m - 1;
       for(int i = m - 1; i >= 0; i --){
              if(k >> i & 1){
                     ans.insert(ans.begin() + i, ++ cur);
              }
       }
       return ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 81.333333333 / 90