Submission #629881

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
6298812022-08-15 09:56:08prvocisloThousands Islands (IOI22_islands)C++17
100 / 100
385 ms33600 KiB
#include "islands.h"
#include <variant>
#include <algorithm>
#include <bitset>
#include <cassert>
#include <chrono>
#include <cmath>
#include <deque>
#include <iomanip>
#include <iostream>
#include <map>
#include <queue>
#include <random>
#include <set>
#include <string>
#include <vector>
typedef long long ll;
typedef long double ld;
using namespace std;
variant<bool, vector<int>> find_journey(int n, int m, vector<int> U, vector<int> V)
{
vector<set<pair<int, int> > > g(n), gr(n);
for (int i = 0; i < m; i++)
{
g[U[i]].insert({ V[i], i });
gr[V[i]].insert({ U[i], i });
}
queue<int> q;
for (int i = 0; i < n; i++)
 
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