Submission #1197338

#	Time	Username	Problem	Language	Result	Execution time	Memory
1197338		sodbayr	Permutation (APIO22_perm)	C++20	Compilation error	0 ms	0 KiB

perm

#include<bits/stdc++.h>
#include "perm.h"
#define ll int
#define ss second
#define ff first
#define pb push_back
#define endl "\n"
using namespace std;
	vector<ll> construct_permutation(ll n){
		ll t=0;
		vector<ll> v;
		for(ll i=59;i>=0;i--){
			if(n>>i&1){
				if(t==0){
					t=1;
					ll ss=1;
					for(ll j=1;j<=i;j++){
						v.pb(ss);
						ss+=100;
					}
				}
				else{
					v.pb(v[i]-1);
				}
			}
		}
		map<ll,ll> mp;
		for(ll w : v){
			mp[w]=1;
		}
		ll b=0;
		for(auto w : mp){
			mp[w.ff]=b++;
		}
		for(ll &w : v){
			w=mp[w];
		}
		return v;
	}
/*int main(){
	ios::sync_with_stdio(false);
	cout.tie(0);
	cin.tie(0);
	ll n;cin>>n;
	vector<ll> a(n);
	a=construct_permutation(n);
	for(ll i=1;i<=n;i++){
		cout<<a[i]<<' ';
	}
}*/

Compilation message (stderr)

/usr/bin/ld: /tmp/ccdgVeyH.o: in function `main':
grader.cpp:(.text.startup+0x259): undefined reference to `construct_permutation(long long)'
collect2: error: ld returned 1 exit status