Submission #1148379

#	Time	Username	Problem	Language	Result	Execution time	Memory
1148379		Kaztaev_Alisher	Mechanical Doll (IOI18_doll)	C++20	2 / 100	39 ms	13888 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>

#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second

using namespace std;
using ll = long long;

const ll N = 2e5+5 , inf = 2e9 + 7;
const ll INF = 1e18 ,   mod = 1e9+7;

int cur[N];
pair<int,int> p[N];
vector<int> g[N];
void build(int v, int tl , int tr , int k , int s , int pos , int V){
	if(tl == tr){
		cur[v] = g[V][s];
		return;
	} else {
		cur[v] = pos+v;
	}
	int tm = (tl+tr) >> 1;
	build(v*2,tl,tm,k+1,s+(1 << k),pos,V);
	build(v*2+1,tm+1,tr,k+1,s,pos,V);
	p[cur[v]] = {cur[v*2] , cur[v*2+1]};
}
void create_circuit(int M, vector<int> a) {
	int N = a.size();
	g[0].push_back(a[0]);
	for(int i = 0; i+1 < a.size(); i++) g[a[i]].push_back(a[i+1]);
	g[a.back()].push_back(0);
	int nw = 0;
	vector<int> C(M + 1);
	vector<int> X(N), Y(N);
	for(int i = 0; i <= M; i++){
		if(g[i].size() == 0){
			C[i] = 0;
		} else if(g[i].size() == 1){
			C[i] = g[i][0];
		} else {
			C[i] = nw;
			build(1,1,g[i].size(),0,0,nw,i);	
			nw += g[i].size();
			nw--;
		}
	}
	for(int i = 1; i <= nw; i++){
		X.push_back(p[i].F);
		Y.push_back(p[i].S);
	}
	answer(C, X, Y);
}

• Subtask 1: 2 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 18
• Subtask 6: 0 / 56