Submission #984134

#	Time	Username	Problem	Language	Result	Execution time	Memory
984134		andrei_iorgulescu	Island Hopping (JOI24_island)	C++17	100 / 100	7 ms	1632 KiB

island

#include "island.h"
#include <bits/stdc++.h>

using namespace std;

int a[305][305];
vector<int>fii[305];
bool known[305];

int f(int i,int j)
{
    if (a[i][j] != 0)
        return a[i][j];
    a[i][j] = query(i,j);
    return a[i][j];
}

void solve(int N, int L)
{
    known[1] = true;
    for (int i = 1; i < N; i++)
    {
        int x = f(1,i);
        if (known[x] == true)
            continue;
        for (int j = 1; j < N; j++)
        {
            if (known[f(x,j)] == true)
            {
                fii[a[x][j]].push_back(x);
                break;
            }
            else
            {
                fii[x].push_back(a[x][j]);
                known[a[x][j]] = true;
            }
        }
        known[x] = true;
    }
    for (int i = 1; i <= N; i++)
        for (auto it : fii[i])
            answer(i,it);
}

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 7 / 7
• Subtask 4: 9 / 9
• Subtask 5: 13 / 13
• Subtask 6: 15 / 15
• Subtask 7: 22 / 22
• Subtask 8: 28 / 28