Submission #293947

#	Time	Username	Problem	Language	Result	Execution time	Memory
293947		mjkocijan	Amusement Park (JOI17_amusement_park)	C++14	0 / 100	35 ms	5660 KiB

Joi

#include "Joi.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> ii;
#define X first
#define Y second
#define pb push_back
#define MAXN 20100

namespace JOI {
	int n, m;
	int a[MAXN], b[MAXN];
	ll x;
	int t;
	vector<int> g[MAXN];
	int tt = 0;
	int bio[MAXN];
	int usao[MAXN];

	void dfs(int cv, int rod)
	{
		if (bio[cv]) return;
		bio[cv] = 1;
		usao[cv] = tt;
		tt++;
		MessageBoard(cv, !!(x & (1LL << ll(usao[cv] % 60))));
		for (int i: g[cv]) {
			if (rod != i) {
				dfs(i, cv);
			}
		}
	}
}
using namespace JOI;

void Joi(int N, int M, int A[], int B[], long long X, int T) {
	n = N; m = M; x = X; t = T;
	for(int i = 0; i < N; i++){
		//MessageBoard(i, 0);
	}
	for (int i = 0; i < m; i++) {
		a[i] = A[i];
		b[i] = B[i];
		g[a[i]].pb(b[i]);
		g[b[i]].pb(a[i]);
	}
	for (int i = 0; i < n; i++) reverse(g[i].begin(), g[i].end());
	dfs(0, -1);
}

Ioi

#include "Ioi.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> ii;
#define X first
#define Y second
#define pb push_back
#define MAXN 20100
 
namespace IOI {
	int n, m;
	int a[MAXN], b[MAXN], par[MAXN];
	int p, v;
	int t;
	vector<int> g[MAXN];
	int tt = 0;
	int bio[MAXN];
	int usao[MAXN];
	ll reza = 0LL;
	int done[100], cnt = 0;
 
	void dfs(int cv, int rod)
	{
		if (bio[cv]) return;
		bio[cv] = 1;
		usao[cv] = tt;
		tt++;
		par[cv] = rod;
		for (int i: g[cv]) {
			if (rod != i) {
				dfs(i, cv);
			}
		}
	}
 
	void dfs2(int cv, int msg, int isrt)
	{
		bio[cv] = 1;
		
		int cu = usao[cv] % 60;
		if (!done[cu]) {
			cnt++;cout<<cv<<' '<<usao[cv]<<'.'<<cnt<<endl;
			done[cu] = 1;
			reza |= ll(msg) * (1LL << ll(cu));
		}
		if (cnt == 60) return;
		
		for (int i: g[cv]) {
			if (i == par[cv]) continue;
			
			if (bio[i]) continue;
			
			dfs2(i, Move(i), 0);
			
			if (cnt == 60) return;
		}
		
		if (par[cv] != -1
		//&& isrt
		)
		{
			dfs2(par[cv], Move(par[cv]), 1);
		}
	}
}
using namespace IOI;
 
long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
	n = N; m = M; p = P; v = V; t = T;
	for (int i = 0; i < m; i++) {
		a[i] = A[i];
		b[i] = B[i];
		g[a[i]].pb(b[i]);
		g[b[i]].pb(a[i]);
	}
	for (int i = 0; i < n; i++) reverse(g[i].begin(), g[i].end());
	dfs(0, -1);
	memset(bio, 0, sizeof bio);
	dfs2(p, v, 1);
  //return 0LL;
  return reza;
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 55
• Subtask 5: 0 / 17