Submission #579640

#	Time	Username	Problem	Language	Result	Execution time	Memory
579640		wiwiho	Game (APIO22_game)	C++17	30 / 100	3982 ms	262144 KiB

game

#include "game.h"

#include <bits/stdc++.h>
#include <bits/extc++.h>

#define StarBurstStream ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define iter(a) a.begin(), a.end()
#define riter(a) a.rbegin(), a.rend()
#define lsort(a) sort(iter(a))
#define gsort(a) sort(riter(a))
#define pb(a) push_back(a)
#define eb(a) emplace_back(a)
#define pf(a) push_front(a)
#define ef(a) emplace_front(a)
#define pob pop_back()
#define pof pop_front()
#define mp(a, b) make_pair(a, b)
#define F first
#define S second
#define mt make_tuple
#define gt(t, i) get<i>(t)
#define tomax(a, b) ((a) = max((a), (b)))
#define tomin(a, b) ((a) = min((a), (b)))
#define topos(a) ((a) = (((a) % MOD + MOD) % MOD))
#define uni(a) a.resize(unique(iter(a)) - a.begin())
#define printv(a, b) {bool pvaspace=false; \
for(auto pva : a){ \
    if(pvaspace) b << " "; pvaspace=true;\
    b << pva;\
}\
b << "\n";}

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pdd = pair<ld, ld>;
using tiii = tuple<int, int, int>;

const ll MOD = 1000000007;
const ll MAX = 2147483647;

template<typename A, typename B>
ostream& operator<<(ostream& o, pair<A, B> p){
    return o << '(' << p.F << ',' << p.S << ')';
}

ll ifloor(ll a, ll b){
    if(b < 0) a *= -1, b *= -1;
    if(a < 0) return (a - b + 1) / b;
    else return a / b;
}

ll iceil(ll a, ll b){
    if(b < 0) a *= -1, b *= -1;
    if(a > 0) return (a + b - 1) / b;
    else return a / b;
}

int n, k;
vector<set<int>> ls, rs;
vector<map<int, set<int>>> g, rg;

void build(int L = 0, int R = k - 1){
    if(L > R) return;
    int M = (L + R) / 2;
    for(int i = L; i < M; i++) ls[M].insert(i);
    for(int i = M + 1; i <= R; i++) rs[M].insert(i);
    build(L, M - 1);
    build(M + 1, R);
}

int ans = 0;

void addls(int M, int id){
    if(rs[M].find(id) != rs[M].end() || M == id){
        ans = 1;
    }
    ls[M].insert(id);
}

void addrs(int M, int id){
    if(ls[M].find(id) != ls[M].end() || M == id){
        ans = 1;
    }
    rs[M].insert(id);
}

void add(int u, int v, int L = 0, int R = k - 1){
    if(L > R) return;
    int M = (L + R) / 2;
    if(v == M || ls[M].find(v) != ls[M].end()){
        //cerr << M << " " << mp(u, v) << " left\n";
        //printv(rg[M][u], cerr);
        addls(M, u);
        add(u, v, L, M - 1);
        while(!rg[M][u].empty()){
            int t = *rg[M][u].begin();
            rg[M][u].erase(rg[M][u].begin());
            add(t, u, L, R);
        }
    }
    else rg[M][v].insert(u);
    if(u == M || rs[M].find(u) != rs[M].end()){
        //cerr << M << " " << mp(u, v) << " right\n";
        //printv(g[M][v], cerr);
        addrs(M, v);
        add(u, v, M + 1, R);
        while(!g[M][v].empty()){
            int t = *g[M][v].begin();
            g[M][v].erase(g[M][v].begin());
            add(v, t, L, R);
        }
    }
    else g[M][u].insert(v);
    /*cerr << "add " << mp(u, v) << " " << M << " " << L << " " << R << "\n";
    printv(ls[M], cerr);
    printv(rs[M], cerr);*/
}

void init(int _n, int _k){
    n = _n;
    k = _k;
    ls.resize(n);
    rs.resize(n);
    g.resize(n);
    rg.resize(n);
    build();
}

int add_teleporter(int u, int v){
    add(u, v);
    return ans;
}

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