Submission #744761

#	Time	Username	Problem	Language	Result	Execution time	Memory
744761		Teemka	Game (APIO22_game)	C++17	0 / 100	3 ms	4944 KiB

game

#include "bits/stdc++.h"
#include "game.h"

#define F first 
#define S second 

#define OK cout << "------OK---------" << endl;
#define deb(x) cout << #x << " = " << x << endl;

#define ll long long ;
using namespace std ;
const int N = 2e5 + 7;
const int INF = 1e9 + 7 ;
const int dx[4] = {0 , 1 , 0 , -1} , dy[4] = {1 , 0 , -1 , 0} ;
int n , k , used[N]  , tim = 0 , ok = 0;
vector<int > g[N] ;

void dfs(int v){
    used[v] = tim ;
    for(int to : g[v]){
        if(used[to] == tim){
            if(to <= k - 1)
                ok = 1;
            continue  ;
        }
        dfs(to) ;
    }

}
void init(int _n, int _k) {
    n = _n , k = _k ;
    for(int i = 0; i< k - 1; i++){
        g[i].push_back(i + 1) ;
    }
}

int add_teleporter(int u, int v) {
    g[u].push_back(v) ;
    tim++ ;
    dfs(1) ;
    return 1 ;
}

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