| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 932787 | 2024-02-24T08:23:06 Z | 8pete8 | Permutation (APIO22_perm) | C++17 | 0 ms | 0 KB |
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include "perm.h"
#include<cstring>
#include<cassert>
#include<limits.h>
#include<cmath>
#include<set>
#include<numeric> //gcd(a,b)
#include<algorithm>
#include<bitset>
#include<stack>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define pppiiii pair<pii,pii>
#define ppii pair<int,pii>
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define pb push_back
#define mp make_pair
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-loops")
//#define int long long
//const int mod=1e9+7,mxn=2e5,lg=30,inf=1e18,minf=-1e18,Mxn=2e6,root=700;
void setIO(string name){
ios_base::sync_with_stdio(0); cin.tie(0);
freopen((name+".in").c_str(),"r",stdin);
freopen((name+".out").c_str(),"w",stdout);
}
bool cmp(pii a,pii b){
if(a.f!=b.f)return a.f<b.f;
return a.s>b.s;
}
vector<int> construct_permutation(int64_t k){
vector<pii>ans;
vector<int>ra;
int g=0;
for(int i=62;i>=0;i--)if(k&(1ll<<i)){
g=i;
break;
}
int cnt=g-1;
for(int i=0;i<g;i++)ans.pb({i,i});
for(int i=g-1;i>=0;i--){
if(k&(1ll<<i))ans.pb({i,++cnt});
}
sort(all(ans),cmp);
for(auto i:ans)ra.pb(i.s);
return ra;
}