Submission #1043296

#	Time	Username	Problem	Language	Result	Execution time	Memory
1043296		mindiyak	Game (IOI14_game)	C++14	0 / 100	9 ms	18208 KiB

game

#include "game.h"
#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")
#include <bits/stdc++.h>
#include <string>
#include <iostream>
#include <cmath>
#include <numeric>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<int, int> pl;
typedef pair<ld, ld> pd;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<vector<int>> vvi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
#define FOR(i, a, b) for (int i = a; i < (b); i++)
#define F0R(i, a) for (int i = 0; i < (a); i++)
#define FORd(i, a, b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i, a) for (int i = (a)-1; i >= 0; i--)
#define trav(a, x) for (auto &a : x)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
#define len(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define F first
#define nl endl
#define S second
#define lb lower_bound
#define ub upper_bound
#define aint(x) x.begin(), x.end()
#define raint(x) x.rbegin(), x.rend()
#define ins insert
const int MOD = 1000000007;

int N;
vi parent(1502);
vvi asked(1502,vi(1502,-1));
vi asked_cnt(1502,0);

int get_parent(int pos){
    if(parent[pos] == pos)return pos;
    return get_parent(parent[pos]);
}

void initialize(int n) {
    N = n;
    FOR(i,0,N)parent[i] = i;
    asked = vvi(1502,vi(1502,-1));
    asked_cnt = vi(1502,0);
}

void set_asked(int u,int v, int val){
    asked[u][v] = val;
    asked[v][u] = val;
}

int hasEdge(int u, int v) {
    if(u==v)return 1;

    if(asked[u][v] != -1)return asked[u][v];

    asked_cnt[u]++;
    asked_cnt[v]++;

    int a = get_parent(u), b = get_parent(v);
    
    if(a == b){
        set_asked(u,v,1);
        return 1;
    }

    if(asked_cnt[u] >= N-1 || asked_cnt[v] >= N-1){
        parent[a] = parent[b];
        set_asked(u,v,1);
        return 1;
    }

    set_asked(u,v,0);
    return 0;
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 27
• Subtask 3: 0 / 58