oj.uz

Submission #967567

# Submission time Handle Problem Language Result Execution time Memory
967567 2024-04-22T12:51:27 Z happy_node Amusement Park (JOI17_amusement_park) C++17
0 / 100
 19 ms 3988 KB 
#include "Joi.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const int MX=10005;

vector<int> adj[MX];

int timer=-1;
vector<int> euler;

void dfs(int v, int p) {
        euler.push_back(++timer);
        for(auto u:adj[v]) {
                if(u==p) continue;
                dfs(u,v);
        }
}

struct DSU {
        int par[MX];
 
        int find(int v) {
                return par[v]==v?v:par[v]=find(par[v]);
        }
 
        bool merge(int u, int v) {
                u=find(u),v=find(v);
                if(u==v) return false;
                par[u]=v;
                return true;
        }
 
        void prep(int N) {
                for(int i=0;i<N;i++) par[i]=i;
        }
} ds;

void Joi(int N, int M, int A[], int B[], long long X, int T) {
        ds.prep(N);
        
        for(int i=0;i<M;i++) {
                int x=A[i],y=B[i];
                if(ds.merge(x,y)) {
                        adj[x].push_back(y);
                        adj[y].push_back(x);
                }
        }

        dfs(0,-1);

        for(int i=0;i<N;i++) {
                int k=i%60;
                MessageBoard(euler[i],X>>k&1);
        }
}
#include "Ioi.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const int MX=10005;

vector<int> ADJ[MX];

int Timer=-1;
int sz[MX], par[MX], tin[MX], tout[MX];

void DFS(int v, int p) {
        tin[v]=++Timer;
        sz[v]=1;
        par[v]=p;
        for(auto u:ADJ[v]) {
                if(u==p) continue;
                DFS(u,v);
                sz[v]+=sz[u];
        }
        tout[v]=Timer;
}

ll get(int x, int y) {
        return y*(1LL<<(tin[x]%60));
}

ll res=0;

void dfs0(int v, int p) {
        for(auto u:ADJ[v]) {
                if(u==p) continue;
                res|=get(u,Move(u));
                dfs0(u,v);
                Move(v);
        }
}

struct DSU {
        int par[MX];
 
        int find(int v) {
                return par[v]==v?v:par[v]=find(par[v]);
        }
 
        bool merge(int u, int v) {
                u=find(u),v=find(v);
                if(u==v) return false;
                par[u]=v;
                return true;
        }
 
        void prep(int N) {
                for(int i=0;i<N;i++) par[i]=i;
        }
} DS;

long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
        DS.prep(N);
        for(int i=0;i<M;i++) {
                int x=A[i],y=B[i];
                if(DS.merge(x,y)) {
                        ADJ[x].push_back(y);
                        ADJ[y].push_back(x);
                }
        }

        DFS(0,-1);

        int k=V;
        while(sz[P]<60) {
                P=par[P];
                k=Move(P);
        }

        res|=get(P,k);
        dfs0(P,par[P]);

        return res;
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1296 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 3988 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1300 KB Output is correct
2 Correct 1 ms 1312 KB Output is correct
3 Correct 1 ms 1312 KB Output is correct
4 Incorrect 2 ms 1860 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Incorrect 17 ms 3876 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 18 ms 3832 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -