結果
問題 | No.1607 Kth Maximum Card |
ユーザー | theory_and_me |
提出日時 | 2021-07-16 23:28:46 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,350 ms / 3,500 ms |
コード長 | 3,983 bytes |
コンパイル時間 | 2,011 ms |
コンパイル使用メモリ | 215,236 KB |
実行使用メモリ | 25,784 KB |
最終ジャッジ日時 | 2024-07-06 11:05:49 |
合計ジャッジ時間 | 16,065 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 1,350 ms
25,044 KB |
testcase_09 | AC | 950 ms
21,096 KB |
testcase_10 | AC | 1,246 ms
25,248 KB |
testcase_11 | AC | 223 ms
8,208 KB |
testcase_12 | AC | 895 ms
20,340 KB |
testcase_13 | AC | 108 ms
6,940 KB |
testcase_14 | AC | 131 ms
7,804 KB |
testcase_15 | AC | 634 ms
21,380 KB |
testcase_16 | AC | 108 ms
7,244 KB |
testcase_17 | AC | 34 ms
6,940 KB |
testcase_18 | AC | 400 ms
16,132 KB |
testcase_19 | AC | 234 ms
11,236 KB |
testcase_20 | AC | 347 ms
13,328 KB |
testcase_21 | AC | 372 ms
14,320 KB |
testcase_22 | AC | 718 ms
23,592 KB |
testcase_23 | AC | 774 ms
23,384 KB |
testcase_24 | AC | 286 ms
10,640 KB |
testcase_25 | AC | 163 ms
8,012 KB |
testcase_26 | AC | 206 ms
8,924 KB |
testcase_27 | AC | 300 ms
10,828 KB |
testcase_28 | AC | 243 ms
9,512 KB |
testcase_29 | AC | 577 ms
16,876 KB |
testcase_30 | AC | 1,210 ms
25,784 KB |
testcase_31 | AC | 556 ms
15,684 KB |
testcase_32 | AC | 185 ms
18,448 KB |
testcase_33 | AC | 192 ms
18,360 KB |
testcase_34 | AC | 183 ms
18,476 KB |
testcase_35 | AC | 193 ms
18,420 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define REP(i,n) for(ll i=0;i<(ll)n;i++) #define dump(x) cerr << "Line " << __LINE__ << ": " << #x << " = " << (x) << "\n"; #define spa << " " << #define fi first #define se second #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() using ld = long double; using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using pdd = pair<ld, ld>; template<typename T> using V = vector<T>; template<typename T> using P = pair<T, T>; template<typename T> vector<T> make_vec(size_t n, T a) { return vector<T>(n, a); } template<typename... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec(ts...))>(n, make_vec(ts...)); } template<class S, class T> ostream& operator << (ostream& os, const pair<S, T> v){os << "(" << v.first << ", " << v.second << ")"; return os;} template<typename T> ostream& operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; } template<class T> ostream& operator<<(ostream& os, const vector<vector<T>> &v){ for(auto &e : v){os << e << "\n";} return os;} struct fast_ios { fast_ios(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; template <class T> void UNIQUE(vector<T> &x) {sort(ALL(x));x.erase(unique(ALL(x)), x.end());} template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; } void fail() { cout << -1 << '\n'; exit(0); } inline int popcount(const int x) { return __builtin_popcount(x); } inline int popcount(const ll x) { return __builtin_popcountll(x); } template<typename T> void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++) {cerr<<v[i][0];for(ll j=1;j<w;j++)cerr spa v[i][j];cerr<<"\n";}}; template<typename T> void debug(vector<T>&v,ll n){if(n!=0)cerr<<v[0]; for(ll i=1;i<n;i++)cerr spa v[i]; cerr<<"\n";}; const ll INF = (1ll<<62); // const ld EPS = 1e-10; // const ld PI = acos(-1.0); const ll mod = (int)1e9 + 7; //const ll mod = 998244353; template< typename T > struct edge { int src, to; T cost; edge(int to, T cost) : src(-1), to(to), cost(cost) {} edge(int src, int to, T cost) : src(src), to(to), cost(cost) {} edge &operator=(const int &x) { to = x; return *this; } operator int() const { return to; } }; template< typename T > using Edges = vector< edge< T > >; template< typename T > using WeightedGraph = vector< Edges< T > >; using UnWeightedGraph = vector< vector< int > >; template< typename T > using Matrix = vector< vector< T > >; template< typename T > vector< T > Dijkstra(WeightedGraph< T > &g, int s) { const auto INF = numeric_limits< T >::max(); vector< T > dist(g.size(), INF); using Pi = pair< T, int >; priority_queue< Pi, vector< Pi >, greater< Pi > > que; dist[s] = 0; que.emplace(dist[s], s); while(!que.empty()) { T cost; int idx; tie(cost, idx) = que.top(); que.pop(); if(dist[idx] < cost) continue; for(auto &e : g[idx]) { auto next_cost = cost + e.cost; if(dist[e.to] <= next_cost) continue; dist[e.to] = next_cost; que.emplace(dist[e.to], e.to); } } return dist; } int main(){ ll N, M, K; cin >> N >> M >> K; V<ll> v(M), u(M), c(M); REP(i, M) cin >> v[i] >> u[i] >> c[i], v[i]--, u[i]--; ll ng = -1; ll ok = 202020; while(ok-ng>1){ ll md = (ok+ng)/2; WeightedGraph<ll> G(N); REP(i, M){ if(c[i] > md){ G[u[i]].emplace_back(v[i], 1); G[v[i]].emplace_back(u[i], 1); }else{ G[u[i]].emplace_back(v[i], 0); G[v[i]].emplace_back(u[i], 0); } } auto dist = Dijkstra(G, 0); if(dist[N-1] <= K-1) ok = md; else ng = md; } cout << ok << endl; return 0; }