結果
| 問題 | No.3393 Move on Highway |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2025-11-29 00:48:53 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 492 ms / 3,000 ms |
| コード長 | 2,461 bytes |
| コンパイル時間 | 3,230 ms |
| コンパイル使用メモリ | 288,692 KB |
| 実行使用メモリ | 28,704 KB |
| 最終ジャッジ日時 | 2025-11-29 00:49:21 |
| 合計ジャッジ時間 | 15,150 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 * 33 |
ソースコード
#include <bits/stdc++.h>
#include <queue>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vector<int>;
using vl = vector<ll>;
#define rep3(i, a, b, c) for (ll i = (a); i < (b); i += (c))
#define rep2(i, a, b) rep3(i, a, b, 1)
#define rep1(i, n) rep2(i, 0, n)
#define rep0(n) rep1(aaaaa, n)
#define ov4(a, b, c, d, name, ...) name
#define rep(...) ov4(__VA_ARGS__, rep3, rep2, rep1, rep0)(__VA_ARGS__)
#define per(i, a, b) for (ll i = (a) - 1; i >= (b); i--)
#define fore(e, v) for (auto &&e : v)
#define all(a) begin(a), end(a)
#define sz(a) (int)(size(a))
#define lb(v, x) (lower_bound(all(v), x) - begin(v))
#define eb emplace_back
template <typename T, typename S> bool chmin(T &a, const S &b) {
return a > b ? a = b, 1 : 0;
}
template <typename T, typename S> bool chmax(T &a, const S &b) {
return a < b ? a = b, 1 : 0;
}
const int INF = 1e9 + 100;
const ll INFL = 3e18 + 100;
#define i128 __int128_t
struct _ {
_() { cin.tie(0)->sync_with_stdio(0), cout.tie(0); }
} __;
int main() {
ll N, M, C;
cin >> N >> M >> C;
vector G(N, vector<pll>());
rep(i, M) {
ll U, V, W;
cin >> U >> V >> W;
--U, --V;
G[U].push_back(pll{V, W});
G[V].push_back(pll{U, W});
}
vl fDist(N, INFL), bDist0(N, INFL), bDist1(N, INFL);
fDist[0] = 0;
priority_queue<pll, vector<pll>, greater<pll>> pq;
pq.push(pll{0, 0});
while (!pq.empty()) {
auto [w, v] = pq.top();
pq.pop();
if (fDist[v] < w)
continue;
for (auto [u, c] : G[v]) {
if (fDist[u] > w + c + C) {
fDist[u] = w + c + C;
pq.push(pll{fDist[u], u});
}
}
}
bDist0[N - 1] = 0;
pq.push(pll{0, N - 1});
while (!pq.empty()) {
auto [w, v] = pq.top();
pq.pop();
if (bDist0[v] < w)
continue;
for (auto [u, c] : G[v]) {
if (bDist0[u] > w + c + C) {
bDist0[u] = w + c + C;
pq.push(pll{bDist0[u], u});
}
if (bDist1[u] > w + C) {
bDist1[u] = w + C;
}
}
}
rep(i, N) chmin(bDist1[i], bDist0[i]);
rep(i, N) { pq.push(pll{bDist1[i], i}); }
while (!pq.empty()) {
auto [w, v] = pq.top();
pq.pop();
if (bDist1[v] < w)
continue;
for (auto [u, c] : G[v]) {
if (bDist1[u] > w + c + C) {
bDist1[u] = w + c + C;
pq.push(pll{bDist1[u], u});
}
}
}
ll base = fDist[N - 1];
rep(i, 1, N) { cout << min(base, fDist[i] + bDist1[i]) << '\n'; }
}