Submission #947619

#	Time	Username	Problem	Language	Result	Execution time	Memory
947619		Roupiq	게임 (IOI14_game)	C++17	0 / 100	1 ms	348 KiB

game

#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;

#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;
using pii = pair<int, int>;
using vi = vector<int>;
#define len(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define pb push_back
#define x first
#define y second

vi p, s;
int leaf;

int Find(int v)
{
    if(p[v] == v)
        return v;
    return p[v] = Find(p[v]);
}

void Union(int u, int v)
{
    u = Find(u);
    v = Find(v);
    if(u == v)
        return;
    s[u] += s[v];
    p[v] = u;
}

void initialize(int n)
{
    p.resize(n);
    s.resize(n, n - 1);
    for (int i = 0; i < n; i++)
        p[i] = i;
}

int hasEdge(int u, int v)
{
    s[u]--;
    s[v]--;
    if(s[u] == 0 || s[v] == 0)
    {
        Union(u, v);
        if(s[Find(u)] == 1)
            leaf = Find(u);
        else 
            leaf = false;
        return 1;
    }
    if(leaf == false && s[u] == 1)
    {
        Union(u, v);
        if(s[Find(u)] == 1)
            leaf = Find(u);
        return 1;
    }
    if(leaf == false && s[v] == 1)
    {
        Union(u, v);
        if(s[Find(u)] == 1)
            leaf = Find(u);
        return 1;
    }
    return 0;
}
/*

*/

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