Submission #280142

#	Time	Username	Problem	Language	Result	Execution time	Memory
280142		SamAnd	게임 (IOI14_game)	C++17	42 / 100	1061 ms	1556 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;
#define m_p make_pair
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
typedef long long ll;
const int N = 1503;

int n;
bool a[N][N];

void initialize(int n)
{
    ::n = n;
    for (int x = 1; x <= n; ++x)
    {
        for (int y = 1; y <= n; ++y)
        {
            a[x][y] = true;
        }
    }
}

bool c[N];

bool dfs(int x, int y, int xx, int yy)
{
    c[x] = true;
    if (x == y)
        return true;
    for (int h = 1; h <= n; ++h)
    {
        if (x == xx && h == yy)
            continue;
        if (a[x][h])
        {
            if (!c[h])
            {
                if (dfs(h, y, xx, yy))
                    return true;
            }
        }
    }
    return false;
}

int hasEdge(int x, int y)
{
    ++x;
    ++y;
    memset(c, false, sizeof c);
    if (dfs(x, y, x, y))
    {
        a[x][y] = false;
        a[y][x] = false;
        return 0;
    }
    a[x][y] = false;
    a[y][x] = false;
    return 1;
}

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