oj.uz

Submission #392739

# Submission time Handle Problem Language Result Execution time Memory
392739 2021-04-21T14:33:38 Z ritul_kr_singh Crocodile's Underground City (IOI11_crocodile) C++17
89 / 100
 677 ms 76976 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#include "crocodile.h"

const ll INF = 1e18;

struct twoSet{
	ll x = INF, y = INF; // x < y
	bool insert(ll v){
		if(v >= y) return false;
		y = v;
		if(x > y) swap(x, y);
		return true;
	}
	ll get(){ return y; }
};

int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]){
	vector<twoSet> dist(N);
	vector<pair<int, ll>> g[N];

	for(int i=0; i<M; ++i){
		g[R[i][0]].emplace_back(R[i][1], L[i]);
		g[R[i][1]].emplace_back(R[i][0], L[i]);
	}

	priority_queue<pair<ll, int>> q;

	for(int i=0; i<K; ++i){
		q.emplace(0, P[i]);
		dist[P[i]].insert(0);
		dist[P[i]].insert(0);
	}

	while(!q.empty()){
		ll u = q.top().second, d = -q.top().first; q.pop();
		if(d != dist[u].get()) continue;
		for(auto &e : g[u]){
			int v = e.first, w = e.second;
			if(dist[v].insert(d + w)) q.emplace(-dist[v].get(), v);
		}
	}
	return dist[0].get();
}

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 4 ms 876 KB Output is correct
13 Correct 4 ms 972 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 4 ms 876 KB Output is correct
13 Correct 4 ms 972 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 528 ms 67384 KB Output is correct
17 Correct 103 ms 16568 KB Output is correct
18 Correct 135 ms 18872 KB Output is correct
19 Correct 677 ms 76976 KB Output is correct
20 Correct 314 ms 52420 KB Output is correct
21 Correct 46 ms 7316 KB Output is correct
22 Incorrect 347 ms 48876 KB Output isn't correct