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Submission #626693

# Submission time Handle Problem Language Result Execution time Memory
626693 2022-08-11T16:16:10 Z Mounir Simurgh (IOI17_simurgh) C++14
30 / 100
 169 ms 9800 KB 
#include "simurgh.h"
#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define pb push_back
#define pii pair<int, int>
#define sz(x) (int)x.size()
#define x first
#define y second
using namespace std;
 
const int N = 2000;
int ens[N];
int getEns(int noeud){
	if (ens[noeud] != noeud)	
		ens[noeud] = getEns(ens[noeud]);
	return ens[noeud];
}
 
int nNoeuds;
set<int> royales;
vector<pii> aretes;
set<int> sortantes[N];
 
void findRoyales(int supprime){
	for (int noeud = 0; noeud < nNoeuds; ++noeud)
		ens[noeud] = noeud;
	
	vector<int> choisies;
	int id = -1;
	vector<vector<int>> liens;
	vector<int> icc;
	for (pii arete : aretes){
		id++;
		if (arete.x == supprime || arete.y == supprime) continue;
		if (getEns(arete.x) != getEns(arete.y)){
			ens[getEns(arete.y)] = getEns(arete.x);
			choisies.pb(id);
		}
	}
 
	for (int sortante : sortantes[supprime]){
		int autre = aretes[sortante].x;
		if (autre == supprime)
			autre = aretes[sortante].y;
		bool add = false;
		for (int iLien = 0; iLien < sz(liens); ++iLien){
			if (icc[iLien] == getEns(autre)){
				add = true;
				liens[iLien].pb(sortante);
			}
		}
		if (!add) {
			icc.pb(getEns(autre));
			liens.pb({sortante});
		}
	}
 
	for (int iLien = 0; iLien < sz(liens); ++iLien){
		vector<int> total = choisies;
		for (int iAutre = 0; iAutre < sz(liens); ++iAutre){
			if (iAutre != iLien)
				total.pb(liens[iAutre][0]);
		}
 
		vector<pii> resRoute;
		bool royMis = false;
		for (int lien : liens[iLien]) {
			total.pb(lien);
			int autre = aretes[lien].x;
			if (autre == supprime)
				autre = aretes[lien].y;
			if (autre < supprime || !royales.count(lien) || !royMis) {
				royMis |= royales.count(lien);
				resRoute.pb({count_common_roads(total), lien});
			}
			total.pop_back();
		}
 
		sort(all(resRoute));
	/*	cout << "res route" << endl;
		for (pii a : resRoute)
			cout << a.x << " " << a.y << endl;*/
		int maxi = resRoute.back().x;
		while (!resRoute.empty() && resRoute.back().x == maxi){
			royales.insert(resRoute.back().y);
			resRoute.pop_back();
		}
	}
}
 
vector<int> find_roads(int n, vector<int> u, vector<int> v) {
	nNoeuds = n;
	for (int i = 0; i < sz(u); ++i) {
		aretes.pb(make_pair(u[i], v[i]));
		sortantes[u[i]].insert(i);
		sortantes[v[i]].insert(i);
	}
 
	for (int sup = 0; sup < n; ++sup)
		findRoyales(sup);
	vector<int> ans;
	for (int e : royales)
		ans.pb(e);
/*
	cout << "royales" << endl;
	for (int e : ans)
		cout << e << " ";
	cout << endl;*/
	return ans;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB correct
2 Correct 0 ms 340 KB correct
3 Correct 0 ms 340 KB correct
4 Correct 1 ms 340 KB correct
5 Correct 1 ms 340 KB correct
6 Correct 1 ms 340 KB correct
7 Correct 0 ms 340 KB correct
8 Correct 0 ms 340 KB correct
9 Correct 0 ms 340 KB correct
10 Correct 0 ms 340 KB correct
11 Correct 0 ms 340 KB correct
12 Correct 0 ms 340 KB correct
13 Correct 0 ms 340 KB correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB correct
2 Correct 0 ms 340 KB correct
3 Correct 0 ms 340 KB correct
4 Correct 1 ms 340 KB correct
5 Correct 1 ms 340 KB correct
6 Correct 1 ms 340 KB correct
7 Correct 0 ms 340 KB correct
8 Correct 0 ms 340 KB correct
9 Correct 0 ms 340 KB correct
10 Correct 0 ms 340 KB correct
11 Correct 0 ms 340 KB correct
12 Correct 0 ms 340 KB correct
13 Correct 0 ms 340 KB correct
14 Correct 4 ms 556 KB correct
15 Correct 4 ms 468 KB correct
16 Correct 4 ms 468 KB correct
17 Correct 3 ms 468 KB correct
18 Correct 2 ms 340 KB correct
19 Correct 3 ms 468 KB correct
20 Correct 3 ms 468 KB correct
21 Correct 3 ms 468 KB correct
22 Correct 2 ms 468 KB correct
23 Correct 2 ms 468 KB correct
24 Correct 2 ms 468 KB correct
25 Correct 1 ms 340 KB correct
26 Correct 2 ms 468 KB correct
27 Correct 3 ms 596 KB correct
28 Correct 1 ms 340 KB correct
29 Correct 1 ms 340 KB correct
30 Correct 2 ms 468 KB correct
31 Correct 2 ms 468 KB correct
32 Correct 2 ms 468 KB correct
33 Correct 2 ms 468 KB correct

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB correct
2 Correct 0 ms 340 KB correct
3 Correct 0 ms 340 KB correct
4 Correct 1 ms 340 KB correct
5 Correct 1 ms 340 KB correct
6 Correct 1 ms 340 KB correct
7 Correct 0 ms 340 KB correct
8 Correct 0 ms 340 KB correct
9 Correct 0 ms 340 KB correct
10 Correct 0 ms 340 KB correct
11 Correct 0 ms 340 KB correct
12 Correct 0 ms 340 KB correct
13 Correct 0 ms 340 KB correct
14 Correct 4 ms 556 KB correct
15 Correct 4 ms 468 KB correct
16 Correct 4 ms 468 KB correct
17 Correct 3 ms 468 KB correct
18 Correct 2 ms 340 KB correct
19 Correct 3 ms 468 KB correct
20 Correct 3 ms 468 KB correct
21 Correct 3 ms 468 KB correct
22 Correct 2 ms 468 KB correct
23 Correct 2 ms 468 KB correct
24 Correct 2 ms 468 KB correct
25 Correct 1 ms 340 KB correct
26 Correct 2 ms 468 KB correct
27 Correct 3 ms 596 KB correct
28 Correct 1 ms 340 KB correct
29 Correct 1 ms 340 KB correct
30 Correct 2 ms 468 KB correct
31 Correct 2 ms 468 KB correct
32 Correct 2 ms 468 KB correct
33 Correct 2 ms 468 KB correct
34 Incorrect 167 ms 3792 KB WA in grader: NO
35 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB correct
2 Correct 1 ms 292 KB correct
3 Incorrect 169 ms 9800 KB WA in grader: NO
4 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB correct
2 Correct 0 ms 340 KB correct
3 Correct 0 ms 340 KB correct
4 Correct 1 ms 340 KB correct
5 Correct 1 ms 340 KB correct
6 Correct 1 ms 340 KB correct
7 Correct 0 ms 340 KB correct
8 Correct 0 ms 340 KB correct
9 Correct 0 ms 340 KB correct
10 Correct 0 ms 340 KB correct
11 Correct 0 ms 340 KB correct
12 Correct 0 ms 340 KB correct
13 Correct 0 ms 340 KB correct
14 Correct 4 ms 556 KB correct
15 Correct 4 ms 468 KB correct
16 Correct 4 ms 468 KB correct
17 Correct 3 ms 468 KB correct
18 Correct 2 ms 340 KB correct
19 Correct 3 ms 468 KB correct
20 Correct 3 ms 468 KB correct
21 Correct 3 ms 468 KB correct
22 Correct 2 ms 468 KB correct
23 Correct 2 ms 468 KB correct
24 Correct 2 ms 468 KB correct
25 Correct 1 ms 340 KB correct
26 Correct 2 ms 468 KB correct
27 Correct 3 ms 596 KB correct
28 Correct 1 ms 340 KB correct
29 Correct 1 ms 340 KB correct
30 Correct 2 ms 468 KB correct
31 Correct 2 ms 468 KB correct
32 Correct 2 ms 468 KB correct
33 Correct 2 ms 468 KB correct
34 Incorrect 167 ms 3792 KB WA in grader: NO
35 Halted 0 ms 0 KB -