Submission #736364

#	Time	Username	Problem	Language	Result	Execution time	Memory
736364		jk410	Thousands Islands (IOI22_islands)	C++17	5 / 100	32 ms	6076 KiB

islands

#include "islands.h"
#include <bits/stdc++.h>
using namespace std;
int n;
int edge[400][400];
variant<bool, vector<int>> find_journey(int _n, int m, vector<int> u, vector<int> v) {
	n = _n;
	if (n == 2)
		return false;
	for (int i = 0; i < m; i++)
		edge[u[i]][v[i]] = i;
	vector<int> ret;
	for (int i = 1; i < n; i++)
		ret.push_back(edge[i - 1][i]);
	ret.push_back(edge[n - 1][0]);
	ret.push_back(edge[0][n - 1]);
	for (int i = n - 1; i; i--)
		ret.push_back(edge[i][i - 1]);
	ret.push_back(edge[n - 1][0]);
	for (int i = n - 1; i; i--)
		ret.push_back(edge[i - 1][i]);
	for (int i = 1; i < n; i++)
		ret.push_back(edge[i][i - 1]);
	ret.push_back(edge[0][n - 1]);
	return ret;
}

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