Submission #622844

#	Time	Username	Problem	Language	Result	Execution time	Memory
622844		yuto1115	Game (IOI14_game)	C++17	100 / 100	616 ms	25188 KiB

game

#include "game.h"
#include <bits/stdc++.h>
#define rep(i, n) for(ll i = 0; i < ll(n); ++i)
#define rep2(i, s, n) for(ll i = ll(s); i < ll(n); ++i)
#define rrep(i, n) for(ll i = ll(n) - 1; i >= 0; --i)
#define rrep2(i, n, t) for(ll i = ll(n) - 1; i >= ll(t); --i)
#define pb push_back
#define eb emplace_back
#define all(a) a.begin(), a.end()
#define SZ(a) int(a.size())
using namespace std;
using ll = long long;
using P = pair<int, int>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vp = vector<P>;
using vvp = vector<vp>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vs = vector<string>;
const int inf = 1001001001;
const ll linf = 1001001001001001001;

template<class T>
bool chmin(T &a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}

template<class T>
bool chmax(T &a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

int n;

vi r;
vb is_r;
vvi cnt;

void initialize(int N) {
    n = N;
    r.resize(n);
    iota(all(r), 0);
    is_r.assign(n, true);
    cnt.assign(n, vi(n, 1));
}

int hasEdge(int u, int v) {
    u = r[u];
    v = r[v];
    assert(u != v);
    if (cnt[u][v] > 1) {
        --cnt[u][v];
        --cnt[v][u];
        return 0;
    } else {
        rep(i, n) if (r[i] == v) r[i] = u;
        is_r[v] = false;
        rep(i, n) {
            if (is_r[i] and i != u) {
                cnt[i][u] = cnt[u][i] += cnt[v][i];
            }
        }
        return 1;
    }
}

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