Submission #1064950

#	Time	Username	Problem	Language	Result	Execution time	Memory
1064950		sammyuri	Game (APIO22_game)	C++17	60 / 100	512 ms	3408 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 30005;
vector<int> adj[MAXN];
int smallest[MAXN];
int nn, kk;

void init(int n, int k) {
    nn = n; kk = k;
    for (int i = 0; i < n; i ++)
        smallest[i] = k;
}

void dfs(int node) {
    for (auto a : adj[node]) {
        if (smallest[a] > smallest[node]) {
            smallest[a] = smallest[node];
            dfs(a);
        }
    }
}

int add_teleporter(int u, int v) {
    adj[v].push_back(u);
    int cur = smallest[v];
    if (v < kk)
        cur = v;
    if (smallest[u] > cur) {
        smallest[u] = cur;
        dfs(u);
    }
    for (int i = 0; i < kk; i ++)
        if (smallest[i] <= i)
            return 1;
    return 0;
}

• Subtask 1: 2 / 2
• Subtask 2: 10 / 10
• Subtask 3: 18 / 18
• Subtask 4: 30 / 30
• Subtask 5: 0 / 40