Submission #573521

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
573521	2022-06-06 18:48:33	neonaht	Permutation (APIO22_perm)	C++17	100 / 100	2 ms	340 KiB

perm

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#include "perm.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int SZ=207;
int fen[SZ];
void update(int x,int val) {
  while(x<SZ) {
    fen[x]+=val;
    x+=(x&-x);
  }
  return ;
}
int query(int x) {
  int sum(0);
  while(x) {
    sum+=fen[x];
    x-=(x&-x);
  }
  return sum;
}
std::vector<int> construct_permutation(long long k)
{
  for(int i=0;i<SZ;i++) fen[i]=0;
  if(k==2) return {0};
  --k;
  vector <int> res,seq;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 90 / 90