Submission #638563

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
638563	2022-09-06T11:43:40 Z	bachhoangxuan	Permutation (APIO22_perm)	C++17	Compilation error	0 ms	0 KB

perm

#include<bits/stdc++.h>
using namespace std;
#define int long long

vector<int> construct_permutation(int k){
    if(k==1) return {};
    else if(k==2) return {0};
    else if(k==3) return {1,0};
    vector<int> res=construct_permutation(k>>2);
    int s=(int)res.size();
    if(k%4==0){res.push_back(s);res.push_back(s+1);}
    else if(k%4==1){res.push_back(s);res.push_back(s+1);res.push_back(-1);for(int &x:res) x++;}
    else if(k%4==2){res.push_back(s);res.push_back(-1);res.push_back(s+1);for(int &x:res) x++;}
    if(k%4!=3) return res;
    if((k>>2)<=2 || (k>>2)%4==0){
        res.push_back(s);res.push_back(-1);res.push_back(s+1);res.push_back(-2);
        for(int &x:res) x+=2;
    }
    else{
        res.push_back(s);res.push_back(s+1);
        for(int &x:res){if(x>=2) x++;}
        res.push_back(2);
    }
    return res;
}

signed main(){
    int n;cin >> n;
    vector<int> res=construct_permutation(n);
    for(int v:res) cout << v << ' ';
}

Compilation message

/usr/bin/ld: /tmp/cc46f3Wk.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cckfnGUm.o:perm.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status