Submission #596984

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
596984	2022-07-15 11:00:02	cfalas	Permutation (APIO22_perm)	C++17	91.33 / 100	2 ms	340 KiB

perm

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#include "perm.h"
#include<bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
vi tr(long long k, int off){
  vi a;
  int cnt=62;
  long long qq = (1LL<<off);
  if(k<qq) return vi(5000, 0);
  k-=qq;
  while(k>0 && cnt>off){
    while(k>=(1LL<<cnt)-qq){
      k-=((1LL<<cnt)-qq);
      a.push_back(cnt-off);
    }
    cnt--;
  }
  //cout<<k<<" left"<<endl;
  vi b;
  int p=off-1;
  for(auto v : a){
    for(int i=p+v;i>p;i--){
      b.push_back(i);
    }
    p = p+v;
  }
  for(int i=off-1;i>=0;i--) b.push_back(i);
  while(k) b.push_back(++p), k--;
  reverse(b.begin(), b.end());
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 81.333333333 / 90