Submission #577343

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
577343	2022-06-14 14:53:35	handlename	Permutation (APIO22_perm)	C++17	100 / 100	7 ms	364 KiB

perm

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
const int MOD=1e9+7;
int n;
bool prime[1001];
bool lmao;
vector<int> primes;
vector<int> construct_permutation(long long k){
  vector<int> temp;
  if (k==1) return temp;
  temp.pb(0);
  if (k==2) return temp;
  if (!lmao){
    memset(prime,true,sizeof(prime));
    lmao=true;
    for (int p=2;p<1001;p++){
      if (prime[p]){
        primes.pb(p);
        for (int i=p*2;i<1001;i+=p){
          prime[i]=false;
        }
      }
    }
  }
  for (auto p:primes){
    if (k%p==0 && k>p){
      vector<int> a=construct_permutation(p);
      int sz=a.size();
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 90 / 90