結果

問題 No.1601 With Animals into Institute
コンテスト
ユーザー kens
提出日時 2021-07-10 14:19:05
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 1,101 ms / 3,000 ms
コード長 1,202 bytes
コンパイル時間 4,732 ms
コンパイル使用メモリ 203,752 KB
最終ジャッジ日時 2025-01-23 00:08:38
ジャッジサーバーID
（参考情報） 		judge1 / judge4
このコードへのチャレンジ
（要ログイン）
ファイルパターン 結果
sample AC * 3
other AC * 36
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:37:27: warning: narrowing conversion of ‘b’ from ‘ll’ {aka ‘long long int’} to ‘int’ [-Wnarrowing]
   37 |       g[a].push_back(edge{b,c});
      |                           ^
main.cpp:38:27: warning: narrowing conversion of ‘a’ from ‘ll’ {aka ‘long long int’} to ‘int’ [-Wnarrowing]
   38 |       g[b].push_back(edge{a,c});
      |                           ^
main.cpp:39:30: warning: narrowing conversion of ‘(b + ((ll)n))’ from ‘ll’ {aka ‘long long int’} to ‘int’ [-Wnarrowing]
   39 |       g[a+n].push_back(edge{b+n,c});
      |                             ~^~
main.cpp:40:30: warning: narrowing conversion of ‘(a + ((ll)n))’ from ‘ll’ {aka ‘long long int’} to ‘int’ [-Wnarrowing]
   40 |       g[b+n].push_back(edge{a+n,c});
      |                             ~^~
main.cpp:42:28: warning: narrowing conversion of ‘(b + ((ll)n))’ from ‘ll’ {aka ‘long long int’} to ‘int’ [-Wnarrowing]
   42 |       g[a].push_back(edge{b+n,c});
      |                           ~^~
main.cpp:43:28: warning: narrowing conversion of ‘(a + ((ll)n))’ from ‘ll’ {aka ‘long long int’} to ‘int’ [-Wnarrowing]
   43 |       g[b].push_back(edge{a+n,c});
      |                           ~^~
main.cpp:44:30: warning: narrowing conversion of ‘(b + ((ll)n))’ from ‘ll’ {aka ‘long long int’} to ‘int’ [-Wnarrowing]
   44 |       g[a+n].push_back(edge{b+n,c});
      |                             ~^~
main.cpp:45:30: warning: narrowing conversion of ‘(a + ((ll)n))’ from ‘ll’ {aka ‘long long int’} to ‘int’ [-Wnarrowing]
   45 |       g[b+n].push_back(edge{a+n,c});
      |                             ~^~

ソースコード

diff # 

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < (int)n; i++)
using ll = long long;
struct edge{int to; ll cost;};
using P = pair<ll,int>;
const ll INF = 1e17;

void dijkstra(int n, int s, vector<vector<edge>>& g, vector<ll>& d){
  priority_queue<P,vector<P>,greater<P>> que;
  rep(i,n) d[i] = INF;
  d[s] = 0;
  que.push(P(0,s));
  while(!que.empty()){
    P p = que.top();
    que.pop();
    int v = p.second;
    if(d[v] < p.first) continue;
    for(auto e : g[v]){
      if(d[e.to] > d[v] + e.cost){
        d[e.to] = d[v] + e.cost;
        que.push(P(d[e.to], e.to));
      }
    }
  }
}

int main() {
  int n, m;
  cin >> n >> m;
  vector<vector<edge>> g(2*n);
  rep(i,m) {
    ll a, b, c, x;
    cin >> a >> b >> c >> x;
    a--; b--;
    if(x == 0) {
      g[a].push_back(edge{b,c});
      g[b].push_back(edge{a,c});
      g[a+n].push_back(edge{b+n,c});
      g[b+n].push_back(edge{a+n,c});
    } else {
      g[a].push_back(edge{b+n,c});
      g[b].push_back(edge{a+n,c});
      g[a+n].push_back(edge{b+n,c});
      g[b+n].push_back(edge{a+n,c});
    }
  }
  vector<ll> d(2*n);
  dijkstra(2*n,n-1,g,d);
  for(int i = n; i < 2*n-1; i++) cout << d[i] << endl;
}
0