Submission #1215101

#	Time	Username	Problem	Language	Result	Execution time	Memory
1215101		dosts	Thousands Islands (IOI22_islands)	C++20	1.75 / 100	20 ms	6984 KiB

islands

#include "islands.h"
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
//#define int long long
#define pii pair<int,int>
#define vi vector<int>
#define ff first
#define ss second
#define sp << " " <<
#define all(x) x.begin(),x.end()
#define big(x) ((int)(x.size()))
using namespace std;
const int MOD = 1e9+7, LIM = 1e6+1, inf = 2e9;

std::variant<bool, std::vector<int>> find_journey(int N, int M, std::vector<int> U, std::vector<int> V) {
    if (N == 2) return false;
    int id[N][N]{};
    for (int i = 0;i<M;i++) {
      id[U[i]][V[i]] = i;
    }
    return vi{id[0][1],id[1][2],id[2][1],id[0][1],id[0][2],id[2][1],id[1][2],id[0][2]};
}

• Subtask 1: 0 / 5
• Subtask 2: 1.75 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45