Submission #1077009

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1077009	2024-08-26 20:38:29	mariaclara	Thousands Islands (IOI22_islands)	C++17	24 / 100	25 ms	6476 KiB

islands

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#include "islands.h"
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair<int,int> pii;
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
#define pb push_back
#define mk make_pair
#define fr first
#define sc second
 
vector<int> vis, block;
vector<vector<pii>> edges;
vector<int> dfs(int x) {
    vis[x] = 1;
 
    for(auto [viz,ind] : edges[x]) {
        if(block[viz]) continue;
        if(vis[viz]) return {ind};
        
        vector<int> v = dfs(viz);
        if(!v.empty()) {v.pb(ind); return v;}
    }
    block[x] = 1;
    return {};
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 21
• Subtask 4: 24 / 24
• Subtask 5: 0 / 45