結果
問題 | No.1393 Median of Walk |
ユーザー | fuppy_kyopro |
提出日時 | 2021-02-12 23:07:26 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
CE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 4,635 bytes |
コンパイル時間 | 2,818 ms |
コンパイル使用メモリ | 187,700 KB |
最終ジャッジ日時 | 2025-01-18 13:00:44 |
合計ジャッジ時間 | 3,780 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:125:18: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions] 125 | auto [u, cost] = st.top(); | ^ In file included from /usr/include/c++/13/string:43, from /usr/include/c++/13/bitset:52, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52, from main.cpp:7: /usr/include/c++/13/bits/allocator.h: In destructor ‘std::_Vector_base<int, std::allocator<int> >::_Vector_impl::~_Vector_impl()’: /usr/include/c++/13/bits/allocator.h:184:7: error: inlining failed in call to ‘always_inline’ ‘std::allocator< <template-parameter-1-1> >::~allocator() noexcept [with _Tp = int]’: target specific option mismatch 184 | ~allocator() _GLIBCXX_NOTHROW { } | ^ In file included from /usr/include/c++/13/vector:66, from /usr/include/c++/13/queue:63, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:157: /usr/include/c++/13/bits/stl_vector.h:133:14: note: called from here 133 | struct _Vector_impl | ^~~~~~~~~~~~
ソースコード
//* #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //*/ #include <bits/stdc++.h> // #include <atcoder/all> using namespace std; // using namespace atcoder; #define DEBUG(x) cerr<<#x<<": "<<x<<endl; #define DEBUG_VEC(v) cerr<<#v<<":";for(int i=0;i<v.size();i++) cerr<<" "<<v[i]; cerr<<endl; #define DEBUG_MAT(v) cerr<<#v<<endl;for(int i=0;i<v.size();i++){for(int j=0;j<v[i].size();j++) {cerr<<v[i][j]<<" ";}cerr<<endl;} typedef long long ll; // #define int ll #define vi vector<int> #define vl vector<ll> #define vii vector< vector<int> > #define vll vector< vector<ll> > #define vs vector<string> #define pii pair<int,int> #define pis pair<int,string> #define psi pair<string,int> #define pll pair<ll,ll> template<class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); } template<class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); } template<class S, class T> ostream& operator<<(ostream& os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rep1(i,n) for(int i=1;i<=(int)(n);i++) #define rrep(i,n) for(int i=(int)(n)-1;i>=0;i--) #define rrep1(i,n) for(int i=(int)(n);i>0;i--) #define REP(i,a,b) for(int i=a;i<b;i++) #define in(x, a, b) (a <= x && x < b) #define all(c) c.begin(),c.end() void YES(bool t=true) {cout<<(t?"YES":"NO")<<endl;} void Yes(bool t=true) {cout<<(t?"Yes":"No")<<endl;} void yes(bool t=true) {cout<<(t?"yes":"no")<<endl;} void NO(bool t=true) {cout<<(t?"NO":"YES")<<endl;} void No(bool t=true) {cout<<(t?"No":"Yes")<<endl;} void no(bool t=true) {cout<<(t?"no":"yes")<<endl;} 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; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const long double pi = 3.1415926535897932384626433832795028841971L; int popcount(ll t) { return __builtin_popcountll(t); } // int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; // int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 }; vi dx = {0, 1, 0, -1}, dy = {-1, 0, 1, 0}; // vi dx2 = { 1,1,0,-1,-1,-1,0,1 }, dy2 = { 0,1,1,1,0,-1,-1,-1 }; struct Setup_io { Setup_io() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cout << fixed << setprecision(25); } } setup_io; // const ll MOD = 1000000007; const ll MOD = 998244353; // #define mp make_pair //#define endl '\n' const int N = 1011; vector<vector<pll>> G(N); vi bfs(vector<vector<pll>>& G, int start, int n) { vl dist(n, INF); dist[start] = 0; queue<int> qu; qu.push(start); vi jun; while (qu.size()) { int u = qu.front(); qu.pop(); jun.push_back(u); for (pii vv: G[u]) { int v = vv.first; ll ncost = dist[u] + 1; if (dist[v] > ncost) { dist[v] = ncost; qu.push(v); } } } return jun; } signed main() { int n, m; cin >> n >> m; vl ww; rep (i, m) { int u, v, w; cin >> u >> v >> w; u--; v--; G[u].push_back(pll(v, w)); ww.push_back(w); } sort(all(ww)); UNIQUE(ww); vi jun = bfs(G, 0, n); // DEBUG_VEC(jun); vl ans(n, inf); vl num(n, -n - 10); num[0] = 0; int ok = n + 10; for (ll x: ww) { stack<pii> st; rrep (i, jun.size()) { int u = jun[i]; if (num[u] == -n - 10) continue; st.push(pll(u, num[u])); } while (st.size()) { auto [u, cost] = st.top(); st.pop(); if (num[u] > cost) continue; for (pll temp: G[u]) { int v = temp.first; int ncost = cost; if (ncost < ok) { if (temp.second <= x) ncost++; else ncost--; } if (num[v] < ncost) { num[v] = ncost; st.push(pll(v, ncost)); } } } rep (i, n) { if (ans[i] == inf and num[i] >= 0) { ans[i] = x; } } } rep1 (i, n - 1) { if (ans[i] == inf) ans[i] = -1; cout << ans[i] << endl; } }