結果
問題 | No.2387 Yokan Factory |
ユーザー | karinohito |
提出日時 | 2023-07-21 21:45:47 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,376 bytes |
コンパイル時間 | 4,820 ms |
コンパイル使用メモリ | 274,324 KB |
実行使用メモリ | 14,316 KB |
最終ジャッジ日時 | 2024-09-21 23:12:56 |
合計ジャッジ時間 | 9,165 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | WA | - |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | WA | - |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | AC | 170 ms
6,712 KB |
testcase_26 | AC | 340 ms
9,680 KB |
testcase_27 | AC | 423 ms
10,168 KB |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | AC | 5 ms
5,376 KB |
testcase_36 | WA | - |
testcase_37 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; #include <atcoder/all> using namespace atcoder; using ll = long long; using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>; using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>; using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>; #define all(A) A.begin(),A.end() #define rep(i, n) for (ll i = 0; i < (ll) (n); i++) template<class T> bool chmax(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p < q) { p = q; return 1; } else { return 0; } } template<class T> bool chmin(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p > q) { p = q; return 1; } else { return 0; } } ll modPow(long long a, long long n, long long p) { if (n == 0) return 1; // 0乗にも対応する場合 if (n == 1) return a % p; if (n % 2 == 1) return (a * modPow(a, n - 1, p)) % p; long long t = modPow(a, n / 2, p); return (t * t) % p; } ll gcd(ll(a), ll(b)) { if (a == 0)return b; if (b == 0)return a; ll c = a; while (a % b != 0) { c = a % b; a = b; b = c; } return b; } ll sqrtz(ll N) { ll L = 0; ll R = sqrt(N) + 10000; while (abs(R - L) > 1) { ll mid = (R + L) / 2; if (mid * mid <= N)L = mid; else R = mid; } return L; } using mint = modint1000000007; using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; using vvvvm = vector<vvvm>; using vvvvvm = vector<vvvvm>; using vvvvvvm = vector<vvvvvm>; vector<mint> fact, factinv, inv; const ll mod = 1e9 + 7; void prenCkModp(ll n) { fact.resize(n + 5); factinv.resize(n + 5); inv.resize(n + 5); fact[0] = fact[1] = 1; factinv[0] = factinv[1] = 1; inv[1] = 1; for (ll i = 2; i < n + 5; i++) { fact[i] = (fact[i - 1] * i); inv[i] = (mod - ((inv[mod % i] * (mod / i)))); factinv[i] = (factinv[i - 1] * inv[i]); } } mint nCk(ll n, ll k) { if (n < k || k < 0) return 0; return (fact[n] * ((factinv[k] * factinv[n - k]))); } struct E { ll to, t, L; }; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); ll N, M, X; cin >> N >> M >> X; vector<vector<E>> G(N); rep(i, M) { ll A, B, C, D; cin >> A >> B >> C >> D; A--; B--; G[A].push_back(E({ B,C,D })); G[B].push_back(E({ A,C,D })); } ll D = 0, U = 1e10; while (U - D > 1) { ll mid = (U + D) / 2; vll dist(N, 1e18 + 10); dist[0] = 0; vb seen(N, false); priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> Q; Q.push({ 0,0 }); while (!Q.empty()) { auto nc = Q.top(); Q.pop(); ll n = nc.second; ll c = nc.first; if (seen[n])continue; seen[n] = 1; for (auto v : G[n]) { if (seen[v.to])continue; if (v.L > mid)continue; if (dist[v.to] <= c + v.t)continue; dist[v.to] = c + v.t; Q.push({ c + v.t,v.to }); } } (dist[N - 1] <= X ? U : D) = mid; } cout << (D<=5e9?D:-1) << endl; }