Submission #136997

# Submission time Handle Problem Language Result Execution time Memory
136997 2019-07-26T20:42:23 Z osaaateiasavtnl Amusement Park (JOI17_amusement_park) C++14
0 / 100
34 ms 5440 KB
#include<bits/stdc++.h>
#include"Joi.h"
using namespace std;
#define color MessageBoard
#define app push_back
const int N = 20001;
vector <int> g[N];
int tin[N], ptr = 0;
bool used[N];
void dfs(int u, int x) {
    used[u] = 1;
    tin[u] = ptr++;
    int b = tin[u] % 60;
    color(u, (x >> b) & 1);
    for (int v : g[u]) {
        if (!used[v]) {
            dfs(v, x);
        }   
    }   
}   
void Joi(int n, int m, int a[], int b[], long long x, int t) {
    for (int i = 0; i < m; ++i) {
        g[a[i]].app(b[i]);
        g[b[i]].app(a[i]);    
    }   
    dfs(0, x);
}   
#include<bits/stdc++.h>
#include"Ioi.h"
#define move Move
#define app push_back
using namespace std;
const int N = 20001;
vector <int> g[N];
int tin[N], cnt[N], par[N], ptr = 0;
bool used[N];
vector <int> tree[N];
void dfs(int u) {
    used[u] = 1;
    cnt[u] = 1;
    tin[u] = ptr++;
    for (int v : g[u]) {
        if (!used[v]) {
            par[v] = u;
            dfs(v);
            tree[u].app(v);
            cnt[u] += cnt[v];
        }   
    }   
}   
int vis = 0;
bool want[N];
int vert[60];
int ans[N];
void dfs1(int u, int p) {
    if (vis == 60) return;
    ++vis;
    int b = tin[u] % 60;
    want[u] = vert[b] == -1;
    for (int v : tree[u]) {
        if (v != p) {
            dfs1(v, u);
            want[u] |= want[b];
        }   
    }   
}   
void dfs2(int u, int p) {
    for (int v : tree[u]) {
        if (v != p && want[v]) {
            vert[tin[v] % 60] = v;
            ans[v] = move(v);
            dfs2(v, u);
            move(u);
        }   
    }   
}   
long long Ioi(int n, int m, int a[], int b[], int u, int v, int t) {
    for (int i = 0; i < 60; ++i) vert[i] = -1;
    for (int i = 0; i < m; ++i) {
        g[a[i]].app(b[i]);
        g[b[i]].app(a[i]);
    }   
    dfs(0);
    ans[u] = v;
    vert[tin[u] % 60] = u;
    while (cnt[u] < 60) {
        u = par[u];
        ans[u] = move(u);
        vert[tin[u] % 60] = u;
    }   
    dfs1(u, par[u]);
    if (want[u]) dfs2(u, par[u]);
    long long x = 0;
    for (int i = 0; i < 60; ++i) {
        x += (1ll << i) * ans[vert[i]];
    }   
    return x;
}   
# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 2168 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 33 ms 5296 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 2424 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 33 ms 5332 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 34 ms 5440 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -