Submission #1077012

#	Time	Username	Problem	Language	Result	Execution time	Memory
1077012		mariaclara	Thousands Islands (IOI22_islands)	C++17	6.75 / 100	31 ms	6484 KiB

islands

#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<vector<pii>> edges;
variant<bool, vector<int>> find_journey(int N, int M, vector<int> U, vector<int> V) {
    edges.resize(N);
    for(int i = 0; i < M; i++)  edges[U[i]].pb({V[i], i});
    
    if(sz(edges[0]) < 2 or sz(edges[1]) < 1) return false;
    vector<int> ans;
    ans.pb(edges[0][0].sc); // 0 pra 1
    ans.pb(edges[1][0].sc); // 1 pra 0
    ans.pb(edges[0][1].sc); // 0 pra 1
    ans.pb(edges[0][0].sc); // 1 pra 0
    ans.pb(edges[1][0].sc); // 0 pra 1
    ans.pb(edges[0][1].sc); // 1 pra 0
    return ans;
}

• Subtask 1: 5 / 5
• Subtask 2: 1.75 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45