Submission #1011984

#	Time	Username	Problem	Language	Result	Execution time	Memory
1011984		c2zi6	Game (IOI14_game)	C++14	0 / 100	1 ms	2396 KiB

game

#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(a) (a).begin(), (a).end()
#define replr(i, a, b) for (int i = int(a); i <= int(b); ++i)
#define reprl(i, a, b) for (int i = int(a); i >= int(b); --i)
#define rep(i, n) for (int i = 0; i < int(n); ++i)
#define mkp(a, b) make_pair(a, b)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<PII> VPI;
typedef vector<VI> VVI;
typedef vector<VVI> VVVI;
typedef vector<VPI> VVPI;
typedef pair<ll, ll> PLL;
typedef vector<ll> VL;
typedef vector<PLL> VPL;
typedef vector<VL> VVL;
typedef vector<VVL> VVVL;
typedef vector<VPL> VVPL;
template<class T> T setmax(T& a, T b) {if (a < b) return a = b; return a;}
template<class T> T setmin(T& a, T b) {if (a < b) return a; return a = b;}
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<class T>
using indset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#include "game.h"

int n;
bool del[2000][2000];
VVI gp;
void initialize(int N) {
    n = N;
    gp = VVI(n);
}

set<int> compret;
void dfs(int u, int p = -1) {
    compret.insert(u);
    for (int v : gp[u]) if (v != p) dfs(v, u);
}
set<int> comp(int u) {
    compret = set<int>();
    dfs(u);
    return compret;
}

int hasEdge(int u, int v) {
    set<int> a = comp(u);
    set<int> b = comp(v);
    if (a == b) return false;
    bool sepa, sepb;
    int cnt;
    cnt = 0;
    for (int u : a) rep(v, n) if (!a.count(v)) {
        if (!del[u][v]) cnt++;
    }
    sepa = (cnt == 1);
    cnt = 0;
    for (int u : b) rep(v, n) if (!b.count(v)) {
        if (!del[u][v]) cnt++;
    }
    sepb = (cnt == 1);
    if (sepa || sepb) {
        gp[u].pb(v);
        gp[v].pb(u);
        return true;
    }
    del[u][v] = del[v][u] = true;
    return false;
}

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