# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
629881 | prvocislo | Thousands Islands (IOI22_islands) | C++17 | 385 ms | 33600 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#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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