Submission #718552

#	Time	Username	Problem	Language	Result	Execution time	Memory
718552		lam	Game (APIO22_game)	C++17	0 / 100	1 ms	976 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;
int n,k;
typedef pair<int,int> ii;
#define ff first
#define ss second
const int maxn = 3e4 + 10;
vector <int> adj[maxn];
bool vis[1010][maxn];
stack<int> st;
bool dau[maxn];
bool ccheck = 0;
void dfs(int id, int x)
{
    vis[id][x] = 1;
    if (x < id) ccheck = 1;
    for (int i:adj[x])
        if (!vis[id][i]) dfs(id,i);
}

void init(int N, int K) {
    n=N; k=K; ccheck=0;
    for (int i=1; i<=n; i++) adj[i].clear();
    for (int i=2; i<=k; i++) adj[i-1].push_back(i);
    for (int i=1; i<=n; i++)
        dfs(i,i);
}

int add_teleporter(int u, int v) {
    u++; v++;
    adj[u].push_back(v);
    for (int i=1; i<=k; i++)
        if (vis[i][u]&&!vis[i][v]) dfs(i,v);
    return ccheck;
}

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