Submission #1149553

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1149553	2025-02-12 13:34:09	Cauchico	Thousands Islands (IOI22_islands)	C++17	19.25 / 100	23 ms	6984 KiB

islands

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#include "islands.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> c,d;
vector<bool> visited;
void dfs(int v, vector<vector<int>> const& adj, vector<int> &output) {
    visited[v] = true;
    for (auto u : adj[v])
        if (!visited[u])
            dfs(u, adj, output);
    output.push_back(v);
}
void scc(vector<vector<int>> const& adj, vector<vector<int>> &components, vector<vector<int>> &adj_cond) {
    int n = adj.size();
    components.clear(), adj_cond.clear();
    vector<int> order; // will be a sorted list of G's vertices by exit time
    visited.assign(n, false);
    // first series of depth first searches
    for (int i = 0; i < n; i++)
        if (!visited[i])
            dfs(i, adj, order);
    // create adjacency list of G^T
    vector<vector<int>> adj_rev(n);
 
 
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• Subtask 1: 1.75 / 5
• Subtask 2: 1.75 / 5
• Subtask 3: 7.35 / 21
• Subtask 4: 8.4 / 24
• Subtask 5: 0 / 45