제출 #756594

#제출 시각아이디문제언어결과실행 시간메모리
756594salmon악어의 지하 도시 (IOI11_crocodile)C++14
100 / 100
687 ms59608 KiB
#include "crocodile.h" #include <bits/stdc++.h> using namespace std; int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]){ vector<pair<int,int>> adjlst[100100]; long long int d[100100]; int visited[100100]; priority_queue<pair<long long int, int>,vector<pair<long long int, int>>,greater<pair<long long int, int>>> pq; for(int i = 0; i < M; i++){ adjlst[R[i][0]].push_back(make_pair(R[i][1],L[i])); adjlst[R[i][1]].push_back(make_pair(R[i][0],L[i])); } for(int i = 0 ; i < N; i++){ d[i] = 1100100100100100100; visited[i] = 0; } for(int i = 0; i < K; i++){ visited[P[i]] = 1; pq.push(make_pair(0,P[i])); } while(!pq.empty()){ long long int de = pq.top().first; int i = pq.top().second; pq.pop(); if(visited[i] == 1){ d[i] = de; for(pair<int,int> ii : adjlst[i]){ if(visited[ii.first] > 1) continue; pq.push(make_pair(de + ii.second, ii.first)); } } visited[i]++; } return d[0]; }
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