Submission #862481

#	Time	Username	Problem	Language	Result	Execution time	Memory
862481		JakobZorz	Permutation (APIO22_perm)	C++17	0 / 100	0 ms	344 KiB

perm

#include<iostream>
#include"perm.h"
using namespace std;
typedef long long ll;


vector<int>construct_permutation(ll k){
    if(k==1)
        return {};
    if(k==2)
        return {0};
    
    for(int p:{2,3,5,7,11,13,17,19,23}){
        if(p%k==0&&p<k){
            auto a=construct_permutation(p);
            auto b=construct_permutation(k/p);
            for(int i:b)
                a.push_back(i+(int)a.size());
            return a;
        }
    }
    
    auto a=construct_permutation(k/2);
    a.push_back((int)a.size());
    a.insert(a.begin(),(int)a.size());
    
    return a;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 90