結果
問題 | No.2387 Yokan Factory |
ユーザー |
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提出日時 | 2023-07-21 21:51:47 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 733 ms / 5,000 ms |
コード長 | 7,310 bytes |
コンパイル時間 | 2,902 ms |
コンパイル使用メモリ | 216,672 KB |
最終ジャッジ日時 | 2025-02-15 16:46:32 |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 35 |
ソースコード
#include<bits/stdc++.h>#define PPque priority_queue<tuple<ll, ll, ll>, vector<tuple<ll, ll, ll>>, greater<tuple<ll, ll, ll>>>#define Pque priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>>#define pque priority_queue<int, vector<int>, greater<int>>#define umap unordered_map#define uset unordered_set#define rep(i, s, f) for(ll i = s; i <= f; i++)#define per(i, s, f) for(ll i = s; i >= f; i--)#define all0(x) (x).begin() ,(x).end()#define all(x) (x).begin() + 1, (x).end()#define vvvi vector<vector<vector<int>>>#define vvvl vector<vector<vector<ll>>>#define vvi vector<vector<int>>#define vvl vector<vector<ll>>#define vvs vector<vector<string>>#define vvc vector<vector<char>>#define vvp vector<vector<pair<ll, ll>>>#define vv(a) vector<vector<a>>#define vp vector<pair<ll, ll>>#define vi vector<int>#define vl vector<ll>#define vs vector<string>#define vc vector<char>#define vb vector<bool>#define P pair<ll, ll>#define TU tuple<ll, ll, ll>#define ENDL '\n'#define ull unsigned long long#define debug(a, s) rep(i, s, a.size()-1) {cout << a.at(i) << " ";}cout << endl;#define Debug(a, s) rep(i, s, a.size()-1) {rep(j, s, a.at(i).size()-1) {cout << a.at(i).at(j) << " ";}cout << endl;}typedef long long ll;using namespace std;//////////////////////////////////////////////////////////////////////////////////////////////////////////////これが本当の組み込み関数ってね(笑)template <typename T>T or_less(vector<T> &A, T x) { //x以下で最大要素の添字 前提: sort済み 存在しない: -1return distance(A.begin(), upper_bound(A.begin(), A.end(), x)-1);}template <typename T>T under(vector<T> &A, T x) { //x未満の最大要素の添字 前提: sort済み 存在しない: -1return distance(A.begin(), lower_bound(A.begin(), A.end(), x)-1);}template <typename T>T or_more(vector<T> &A, T x) { //x以上で最小要素の添字 前提: sort済み 存在しない: N . //distanceのA.beginは添字を出すために常にA.begin() NG: A.begin() + 1return distance(A.begin(), lower_bound(A.begin(), A.end(), x));}template <typename T>T over(vector<T> &A, T x) { //xより大きい最小要素の添字前提: sort済み 存在しない: Nreturn distance(A.begin(), upper_bound(A.begin(), A.end(), x));}void compress(vector<ll> &A) {//小さい順に順位、大きい順にしたいならreverseはNG最後に変換vector<ll> temp = A;sort(temp.begin()+1, temp.end());for (int i = 1; i <= int(A.size()-1); i++) {A.at(i) = distance(temp.begin(), lower_bound(temp.begin()+1, temp.end(), A.at(i)));}}ll LIS1(vl &A) {//at(0)は番兵、広義単調増加ll N = A.size()-1;vl L(N+1, 1001001001001001001LL);L.at(0) = -1 * 1001001001001001001LL;ll ans = 0;rep(i, 1, N) {ll idx = over<ll>(L, A.at(i));L.at(idx) = A.at(i);ans = max(ans, idx);}return ans;}ll LIS2(vl &A) {//狭義単調増加ll N = A.size() - 1;vl L(N+1, 1001001001001001001LL);L.at(0) = -1 * 1001001001001001001LL;ll ans = 0;rep(i, 1, N) {ll idx = or_more<ll>(L, A.at(i));L.at(idx) = A.at(i);ans = max(ans, idx);}return ans;}////////////////////////////////////////////////////////////////////////数学系///////////////////////////////////////////////////////////////////////ll POWER(ll a, ll b, ll mod) {a %= mod;vector<ll> pow (61);pow.at(0) = a;bitset<60> bina(b);ll answer = 1;for (int i = 1; i <= 60; i++) {pow.at(i) = pow.at(i-1) * pow.at(i-1) % mod;if (bina.test(i-1)) {answer = (answer*pow.at(i-1)) % mod;}}return answer;}ll Div(ll a, ll b, ll mod) {return a * POWER(b, mod-2, mod) % mod;}ll round(ll x, ll i) {return ll(x + 5 * pow(10, i-1))/ll(pow(10, i)) * ll(pow(10, i));}template <typename T> //約分void normalize(T &mol, T &deno) {T mol_temp = abs(mol);T deno_temp = abs(deno);T GCD = gcd(mol_temp, deno_temp);mol /= GCD;deno /= GCD;}vvl mat_mul(vvl &a, vvl &b, ll mod) {//0-indexed && 正方行列ll n = a.size();vvl res(n , vl(n, 0));rep(i, 0, n-1) {rep(j, 0, n-1) {rep(k, 0, n-1) {res.at(i).at(j) += a.at(i).at(k) * b.at(k).at(j);res.at(i).at(j) %= mod;}}}return res;}vvl mat_pow(vvl &a, ll b, ll mod) {//0-indexed && 正方行列bitset<60> bina(b);vvl power = a;int N = a.size();vvl res(N, vl(N, 0));rep(i, 0, N-1) {res.at(i).at(i) = 1;}rep(i, 1, 60) {if (bina.test(i-1)) {res = mat_mul(res, power, mod);}power = mat_mul(power, power, mod);}return res;}vvl comb(ll n, ll mod) {//計算にO(N^2) 読み取りにO(1)vvl v(n+1, vl(n+1, 0));rep(i, 0, v.size() - 1) {v.at(i).at(0) = 1;v.at(i).at(i) = 1;}rep(i, 1, v.size()-1) {rep(j, 1, i) {v.at(i).at(j) = v.at(i-1).at(j-1) + v.at(i-1).at(j);v.at(i).at(j) %= mod;}}return v;}ll nCk(int n, int k, ll mod) {//毎回O(max(分子、 分母))ll ue = 1;ll sita = 1;for (int i = 1; i <= k; i++) {sita *= i;sita %= mod;}for (int i = 1; i <= k; i++) {ue *= (n-i+1);ue %= mod;}return Div(ue, sita, mod);}ll cross(P a, P b) {return a.first * b.second - a.second * b.first;}//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////グローバル変数を置くところ(情報工学意識高め)ll int_max = 1001001001;ll ll_max = 1001001001001001001;const double pi = 3.141592653589793;vl dx{0, 1, 0, -1, 0, 1, 1, -1, -1};vl dy{0, 0, -1, 0, 1, 1, -1, -1, 1};//cout << fixed << setprecision(10);//#pragma GCC optimize ("-O3")//ll mod = 1000000007;//ll mod = 998244353;//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////int main() {ios::sync_with_stdio(false);std::cin.tie(nullptr);ll l = 0;ll r = 1000000000;ll N, M, X;cin >> N >> M >> X;vvp G(N+1, vp());vl wid(M+1, -1);vl cost(M+1, -1);rep(i, 1, M) {ll a, b, c, d;cin >> a >> b >> c >> d;G.at(a).emplace_back(i, b);G.at(b).emplace_back(i, a);cost.at(i) = c;wid.at(i) = d;}while(l < r) {ll m = (l + r + 1)/2;Pque que;que.push(P(0, 1));vl dist(N+1, ll_max);while(!que.empty()) {ll cp = que.top().second;ll cd = que.top().first;que.pop();if(dist.at(cp) < cd) continue;for (auto p : G.at(cp)) {ll id = p.first;if(wid.at(id) < m) continue;ll nex = p.second;ll nex_cost = cd + cost.at(id);if(dist.at(nex) < nex_cost) continue;else {dist.at(nex) = nex_cost;que.push(P(nex_cost, nex));}}}if(dist.at(N) > X) {r = m-1;}else {l = m;}}if(l == 0) {cout << -1 << ENDL;}else {cout << l << ENDL;}}//if(S.at(i) == 1 ← 笑)// modは取りましたか...?(´・ω・`)