oj.uz

답안 #791158

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
791158 2023-07-23T13:26:06 Z shoryu386 악어의 지하 도시 (IOI11_crocodile) C++17
89 / 100
 556 ms 86124 KB 
#include "crocodile.h"
#include <bits/stdc++.h>
using namespace std;
int travel_plan(int n, int m, int edges[][2], int weights[], int exitCount, int exits[]){
	#define ll long long
	ll incoming[n];
	multiset<ll> dist[n];
	memset(incoming, 0, sizeof(incoming));
	
	for (ll x = 0; x < n; x++) dist[x].insert(LLONG_MAX/20),dist[x].insert(LLONG_MAX/20);
	
	priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> pq; //for those who have fulfilled the incoming >= 2 req
	
	
	#define distUpdate(k, newval) dist[k].insert(newval); dist[k].erase(prev(dist[k].end()))
	
	for (ll x = 0; x < exitCount; x++){
		distUpdate(exits[x], 0);
		distUpdate(exits[x], 0);
		
		incoming[exits[x]] = INT_MIN;
		
		pq.push({0, exits[x]});
	}
	
	vector<pair<ll, ll>> adjList[n];
	for (ll x = 0; x < m; x++){
		adjList[edges[x][0]].push_back({edges[x][1], weights[x]});
		adjList[edges[x][1]].push_back({edges[x][0], weights[x]});
	}
	
	while (!pq.empty()){
		
		ll d = pq.top().first, node = pq.top().second;
		pq.pop();
		//cout << node << ' ' << d << '\n';
		
		if (d > *prev(dist[node].end())) continue;
		
		for (auto x : adjList[node]){
			//cout << x.first << "upd\n";
			ll prevSecond = *prev(dist[x.first].end());
			
			
			
			if ( d + x.second < prevSecond){ //i.e. distUpdate was successful
				incoming[x.first]++;
				distUpdate(x.first, d + x.second);
				
				
				if (incoming[x.first] >= 2) pq.push({*prev(dist[x.first].end()), x.first});
			}
		}
	}
	
	return *prev(dist[0].end());
	
}

Subtask #1
46.0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct

Subtask #2
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 724 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 3 ms 852 KB Output is correct
13 Correct 3 ms 980 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct

Subtask #3
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 724 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 3 ms 852 KB Output is correct
13 Correct 3 ms 980 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 355 ms 70700 KB Output is correct
17 Correct 74 ms 27572 KB Output is correct
18 Correct 102 ms 29968 KB Output is correct
19 Correct 556 ms 86124 KB Output is correct
20 Correct 227 ms 52928 KB Output is correct
21 Correct 43 ms 10600 KB Output is correct
22 Incorrect 252 ms 52264 KB Output isn't correct
23 Halted 0 ms 0 KB -