結果
| 問題 | No.3393 Move on Highway |
| コンテスト | |
| ユーザー |
applejam
|
| 提出日時 | 2025-11-28 23:44:05 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 2,344 bytes |
| コンパイル時間 | 5,913 ms |
| コンパイル使用メモリ | 335,044 KB |
| 実行使用メモリ | 107,564 KB |
| 最終ジャッジ日時 | 2025-11-28 23:45:25 |
| 合計ジャッジ時間 | 70,461 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 27 TLE * 6 |
ソースコード
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using mint = modint998244353;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;
using vmi = vector<mint>;
using vvmi = vector<vmi>;
using vvvmi = vector<vvmi>;
#define all(a) (a).begin(), (a).end()
#define rep2(i, m, n) for (int i = (m); i < (n); ++i)
#define rep(i, n) rep2(i, 0, n)
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)
using p = pair<int, int>;
using q = pair<ll, int>;
void solve(){
}
ll inf = 2e18;
int main(){
int n, m; ll c; cin >> n >> m >> c;
vvi adj(2*n);
map<p, ll> mp;
rep(i, m){
int u, v; ll w; cin >> u >> v >> w;
u--; v--;
adj[u].push_back(v);
adj[u].push_back(v+n);
adj[u+n].push_back(v+n);
adj[v].push_back(u);
adj[v].push_back(u+n);
adj[v+n].push_back(u+n);
mp[{u, v}] = mp[{v, u}] = w+c;
mp[{u, v+n}] = c;
mp[{v, u+n}] = c;
mp[{u+n, v+n}] = mp[{v+n, u+n}] = w+c;
}
vll dist1(n, inf); dist1[0] = 0;
priority_queue<q, vector<q>, greater<q>> pq;
pq.push({0, 0});
while(!pq.empty()){
auto [w, u] = pq.top(); pq.pop();
if(w > dist1[u])continue;
for(auto v : adj[u]){
if(v >= n)continue;
ll alt = dist1[u] + mp[{u, v}];
if(alt < dist1[v]){
dist1[v] = alt;
pq.push({alt, v});
}
}
}
vll dist2(2*n, inf); dist2[n-1] = 0;
pq.push({0, n-1});
while(!pq.empty()){
auto [w, u] = pq.top(); pq.pop();
if(w > dist2[u])continue;
for(auto v : adj[u]){
ll alt = dist2[u] + mp[{u, v}];
if(alt < dist2[v]){
dist2[v] = alt;
pq.push({alt, v});
}
}
}
rep2(i, 1, n){
if(i == n-1){
cout << dist1[i] << endl;
continue;
}
ll tmp = dist1[n-1];
tmp = min(tmp, dist1[i] + min(dist2[i], dist2[i+n]));
cout << tmp << endl;
}
return 0;
}
applejam