답안 #944000

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
944000 2024-03-12T06:28:01 Z Amaarsaa 악어의 지하 도시 (IOI11_crocodile) C++14
100 / 100
420 ms 83240 KB
#include<bits/stdc++.h>
#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>
using namespace std;
using ll = long long;
using pll = pair < ll, ll >;
const ll INF = 1e18;
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]){
	ll i, x, c, y, s, p, X;
	vector < pair < ll,ll > > adj[N + 2];
	
	for (i = 0; i < M; i ++) {
		x = R[i][0];
		y = R[i][1];
		adj[x].push_back({y, L[i]});
		adj[y].push_back({x, L[i]});
	}
	priority_queue < pll, vector < pll > , greater < pll > > pq;
	ll D[N + 2][3];
	for (i = 0; i < N; i ++) D[i][1] = INF, D[i][0] = INF;
	for (i = 0; i < K; i ++) {
		pq.push({0, P[i]});
		D[P[i]][0] = D[P[i]][1] = 0;
	}
	
	while(!pq.empty()) {
		x = pq.top().second;
		c = pq.top().first;
		pq.pop();
		if ( D[x][1] != c) continue;
		
		for ( pair < ll, ll > pa : adj[x]) {
			X = pa.first;
			s = pa.second;
			p = D[X][1];
			if ( s + c < D[X][0]) {
				if ( D[X][0] < INF && D[X][1] != D[X][0]) {
					D[X][1]= D[X][0];
					pq.push({D[X][1], X});
				}
				D[X][0] = s + c;
			}
			else {
				if ( s + c< D[X][1]) {
					D[X][1] = s + c;
					pq.push({D[X][1], X});
				}
			}
		}
	}
  	return D[0][1];
}

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:11:20: warning: variable 'p' set but not used [-Wunused-but-set-variable]
   11 |  ll i, x, c, y, s, p, X;
      |                    ^
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 3 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 3 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 3 ms 4700 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4576 KB Output is correct
12 Correct 3 ms 4956 KB Output is correct
13 Correct 3 ms 5212 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 3 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 3 ms 4700 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4576 KB Output is correct
12 Correct 3 ms 4956 KB Output is correct
13 Correct 3 ms 5212 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 317 ms 74448 KB Output is correct
17 Correct 56 ms 18768 KB Output is correct
18 Correct 74 ms 21072 KB Output is correct
19 Correct 420 ms 83240 KB Output is correct
20 Correct 229 ms 59956 KB Output is correct
21 Correct 28 ms 11088 KB Output is correct
22 Correct 289 ms 57708 KB Output is correct