結果
問題 | No.1647 Travel in Mitaru city 2 |
ユーザー | first_vil |
提出日時 | 2021-08-13 22:19:38 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,919 bytes |
コンパイル時間 | 2,674 ms |
コンパイル使用メモリ | 219,560 KB |
実行使用メモリ | 40,016 KB |
最終ジャッジ日時 | 2024-10-03 19:49:28 |
合計ジャッジ時間 | 21,588 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | WA | - |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | WA | - |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | WA | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | WA | - |
testcase_17 | RE | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | AC | 2 ms
6,688 KB |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | AC | 87 ms
24,732 KB |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; template<class T> using V = vector<T>; using VI = V<int>; using VL = V<ll>; using VS = V<string>; template<class T> using PQ = priority_queue<T, V<T>, greater<T>>; using graph = V<VI>; template<class T> using w_graph = V<V<pair<int, T>>>; #define FOR(i,a,n) for(int i=(a);i<(n);++i) #define eFOR(i,a,n) for(int i=(a);i<=(n);++i) #define rFOR(i,a,n) for(int i=(n)-1;i>=(a);--i) #define erFOR(i,a,n) for(int i=(n);i>=(a);--i) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define out(y,x) ((y)<0||h<=(y)||(x)<0||w<=(x)) #ifdef _DEBUG #define line cout << "-----------------------------\n" #define stop system("pause") #endif constexpr ll INF = 1000000000; constexpr ll LLINF = 1LL << 61; constexpr ll mod = 1000000007; constexpr ll MOD = 998244353; constexpr ld eps = 1e-10; template<class T>inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; }return false; } template<class T>inline bool chmin(T& a, const T& b) { if (a > b) { a = b; return true; }return false; } inline void init() { cin.tie(nullptr); cout.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } template<class T>inline istream& operator>>(istream& is, V<T>& v) { for (auto& a : v)is >> a; return is; } template<class T, class U>inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; } template<class T>inline V<T> vec(size_t a) { return V<T>(a); } template<class T>inline V<T> defvec(T def, size_t a) { return V<T>(a, def); } template<class T, class... Ts>inline auto vec(size_t a, Ts... ts) { return V<decltype(vec<T>(ts...))>(a, vec<T>(ts...)); } template<class T, class... Ts>inline auto defvec(T def, size_t a, Ts... ts) { return V<decltype(defvec<T>(def, ts...))>(a, defvec<T>(def, ts...)); } template<class T>inline void print(const T& a) { cout << a << "\n"; } template<class T, class... Ts>inline void print(const T& a, const Ts&... ts) { cout << a << " "; print(ts...); } template<class T>inline void print(const V<T>& v) { for (int i = 0; i < v.size(); ++i)cout << v[i] << (i == v.size() - 1 ? "\n" : " "); } template<class T>inline void print(const V<V<T>>& v) { for (auto& a : v)print(a); } template<class T>inline T sum(const V<T>& a, int l, int r) { return 0 <= l && l <= r && r < a.size() ? a[r] - (l == 0 ? 0 : a[l - 1]) : 0; } template<class T>inline void END(T s) { print(s); exit(0); } void END() { exit(0); } template<int M> class Indexer { static_assert(M > 0, "M must be positive"); array<int, M> lim; int siz; public: Indexer(initializer_list<int> lim_init) { assert(lim_init.size() == M); copy(all(lim_init), lim.begin()); siz = 1; FOR(i, 0, M) { assert(lim[i] > 0); siz *= lim[i]; } }; int operator() (initializer_list<int> target_init) { assert(target_init.size() == M); array<int, M> target; copy(all(target_init), target.begin()); int res = 0; FOR(i, 0, M)res = res * lim[i] + target[i]; return res; } array<int, M> operator() (int a) { assert(a < size()); array<int, M> res; rFOR(i, 0, M) { res[i] = a % lim[i]; a /= lim[i]; } return res; } int size() { return siz; } }; int main() { init(); int h, w, n; cin >> h >> w >> n; VI x(n), y(n); V<V<pair<int, int>>> gyo(h), ret(w); FOR(i, 0, n) { cin >> x[i] >> y[i]; --x[i], --y[i]; gyo[y[i]].emplace_back(x[i], i); ret[x[i]].emplace_back(y[i], i); } Indexer<2> indexer({ 2,n }); graph g(indexer.size()); FOR(i, 0, n) { g[indexer({ 0,i })].push_back(indexer({ 1,i })); g[indexer({ 1,i })].push_back(indexer({ 0,i })); } FOR(i, 0, h) { sort(all(gyo[i])); FOR(j, 1, gyo[i].size()) { g[indexer({ 0,gyo[i][j - 1].second })].push_back(indexer({ 0,gyo[i][j].second })); g[indexer({ 0,gyo[i][j].second })].push_back(indexer({ 0,gyo[i][j - 1].second })); } } FOR(i, 0, w) { sort(all(ret[i])); FOR(j, 1, ret[i].size()) { g[indexer({ 1,ret[i][j - 1].second })].push_back(indexer({ 1,ret[i][j].second })); g[indexer({ 1,ret[i][j].second })].push_back(indexer({ 1,ret[i][j - 1].second })); } } VI seen(g.size()); deque<int> ans; int root = -1; auto dfs = [&](auto&& f, int cur, int par)->bool { seen[cur] = 1; for (int to : g[cur]) { if (to == par || seen[to] == 2)continue; if (seen[to] == 0) { if (f(f, to, cur)) { if (indexer(cur)[1] == indexer(to)[1]) { ans.push_back(indexer(cur)[1]); } if (root == cur) { if (x[ans[0]] != x[ans[1]]) { ans.push_back(ans.front()); ans.pop_front(); } print(ans.size()); FOR(i, 0, ans.size()) { if (i)cout << " "; cout << ans[i] + 1; } cout << "\n"; exit(0); } else { return true; } } } else if (seen[to] == 1) { root = to; if (indexer(cur)[1] == indexer(to)[1]) { ans.push_back(indexer(cur)[1]); } return true; } } seen[cur] = 2; return false; }; FOR(i, 0, g.size())if (seen[i] == 0)dfs(dfs, i, -1); print(-1); return 0; }