Submission #1209090

#TimeUsernameProblemLanguageResultExecution timeMemory
1209090MalixArt Collections (BOI22_art)C++20
100 / 100
763 ms496 KiB
#include "art.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> ti;
typedef vector<ll> li;
typedef vector<li> lii;
 
#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define LSOne(s) ((s)&(-s))

ll INF=1000000000000000010;
int inf=1e9+10;
ll M=1e9+7;

void solve(int n) {
    vi a(n,-1);
    vector<bool> b(n,0);
    vi arr(n);
    REP(i,0,n)arr[i]=i+1;
    int p=publish(arr);
    REP(i,0,n)arr[i]=i+2;
    arr[n-1]=1;
    int q=publish(arr);
    a[0]=(p-q+n-1)/2;
    b[a[0]]=1;
    vi pr(n,0);
    pr[0]=a[0];
    REP(i,1,n-1){
        p-=a[i-1];
        arr.clear();
        REP(j,0,n)if(i!=j)arr.PB(j+1);
        arr.PB(i+1);
        q=publish(arr)-pr[i-1];
        int t=(p-q+n-i-1)/2;
        REP(j,0,n)if(b[j]==0){
            a[i]=j;
            if(t==0)break;
            t--;
        }
        b[a[i]]=1;
        pr[i]=pr[i-1]+a[i];
    }
    REP(i,0,n)if(!b[i])a[n-1]=i;
    vi ans(n);
    REP(i,0,n)ans[a[i]]=i+1;
    answer(ans);
}
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