#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3D2ZDxo ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
#include "swaps.h"
void solve(int N, int V){
int n=N;
vi usd(n);
vi pns;
rep(_,n){
vi ert;
rep(i,n){
if(usd[i]) continue;
ert.pb(i);
}
while(sz(ert)>1){
vi nert;
for(int i=0;i<sz(ert)-1;i+=2){
schedule(ert[i]+1,ert[i+1]+1);
}
vi res=visit();
if(sz(ert)%2){
nert.pb(ert.back());
ert.pop_back();
}
for(int i=0;i<sz(ert);i+=2){
if(res[i/2]){
nert.pb(ert[i]);
}else{
nert.pb(ert[i+1]);
}
}
ert=nert;
}
usd[ert[0]]=1;
pns.pb(ert[0]+1);
}
answer(pns);
}
signed main(){
_3D2ZDxo;
solve(4,0);
}
Compilation message
/usr/bin/ld: /tmp/ccXaQxJY.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc2kMMwZ.o:swaps.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status
