Submission #63492

#	Time	Username	Problem	Language	Result	Execution time	Memory
63492		reality	Amusement Park (JOI17_amusement_park)	C++17	0 / 100	82 ms	50824 KiB

Joi

#include "Joi.h"
#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template<class T> ostream& operator<<(ostream& stream, const vector<T> v){ stream << "[ "; for (int i=0; i<(int)v.size(); i++) stream << v[i] << " "; stream << "]"; return stream;}
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
const int N = 1e6 + 5;

const int C = 60;

static vi g[N];

static int deg[N];

static int color[N];

static int f[N];

static int get(int k) {
    return k == f[k] ? k : f[k] = get(f[k]);
}

static int n;

void Joi(int N, int M, int A[], int B[], long long X, int T) {
    n = N;
    for (int i = 0;i < n;++i)
  		f[i] = i,color[i] = -1;
  	for (int i = 0;i < M;++i) {
  		if (get(A[i]) == get(B[i]))
  			continue;
  		g[A[i]].pb(B[i]);
  		g[B[i]].pb(A[i]);
  		f[get(A[i])] = get(B[i]);
  	}
    queue < int > Q;
    Q.push(0);
    set < int > nodes;
    nodes.insert(0);
    color[0] = 0;
    int shit = 0;
    vector < set < int > > vv;
    while (!Q.empty()) {
        int node = Q.front();
        Q.pop();
        for (auto u : g[node])
            if (color[u] == -1) {
                if (nodes.size() < C)
                    ++deg[node],++deg[u],color[u] = ++shit,nodes.insert(u),Q.push(u);
                else {
                    vv.pb(nodes);
                    int cl = -1;
                    for (auto v : nodes)
                        if (deg[v] == 1) {
                            nodes.erase(v);
                            --deg[v];
                            for (auto w : g[v])
                                if (deg[w] > 0)
                                    --deg[w];
                            cl = color[v];
                            break;
                        }
                    color[u] = cl;
                    nodes.insert(u);
                }
            }
    }
    vv.pb(nodes);
    for (int i = 0;i < n;++i)
		MessageBoard(i,(X >> color[i]) & 1);
}

Ioi

#include "Ioi.h"
#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template<class T> ostream& operator<<(ostream& stream, const vector<T> v){ stream << "[ "; for (int i=0; i<(int)v.size(); i++) stream << v[i] << " "; stream << "]"; return stream;}
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
const int N = 1e6 + 5;

const int C = 60;

static vi g[N];

static int deg[N];

static int color[N];

static int n;

static int f[N];

static int get(int k) {
    return k == f[k] ? k : f[k] = get(f[k]);
}

static int was[N];

static ll answer;

static void dfs(int node,int prev) {
	if (prev != -1) {
		answer += Move(node) * (1ll << color[node]);
	}
	for (auto it : g[node])
		if (it != prev && was[it]) {
			dfs(it,node);
			Move(node);
		}
}

long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
    n = N;
    for (int i = 0;i < n;++i)
  		f[i] = i,color[i] = -1;
  	for (int i = 0;i < M;++i) {
  		if (get(A[i]) == get(B[i]))
  			continue;
  		g[A[i]].pb(B[i]);
  		g[B[i]].pb(A[i]);
  		f[get(A[i])] = get(B[i]);
  	}
    queue < int > Q;
    Q.push(0);
    set < int > nodes;
    nodes.insert(0);
    color[0] = 0;
    int shit = 0;
    vector < set < int > > vv;
    while (!Q.empty()) {
        int node = Q.front();
        Q.pop();
        for (auto u : g[node])
            if (color[u] == -1) {
                ++deg[node];
                ++deg[u];
                if (nodes.size() < C)
                    color[u] = ++shit,nodes.insert(u),Q.push(u);
                else {
                    vv.pb(nodes);
                    int cl = -1;
                    for (auto v : nodes)
                        if (deg[v] == 1 && u != node) {
                            nodes.erase(v);
                            --deg[v];
                            for (auto w : g[v])
                                if (deg[w] > 0)
                                    --deg[w];
                            cl = color[v];
                            break;
                        }
                    color[u] = cl;
                    nodes.insert(u);
                }
            }
    }
    vv.pb(nodes);
    for (auto ss : vv)
    	if (ss.count(P)) {
    		for (auto it : ss)
    			was[it] = 1;
    		break;
    	}
    dfs(P,-1);
    answer += V * (1ll << color[P]);
    return answer;
}

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