結果
| 問題 | No.1675 Strange Minimum Query |
| ユーザー |
 satanic
|
| 提出日時 | 2021-09-10 22:13:27 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 14,772 bytes |
| コンパイル時間 | 2,089 ms |
| コンパイル使用メモリ | 166,952 KB |
| 最終ジャッジ日時 | 2025-01-24 11:07:58 |
|
ジャッジサーバーID （参考情報） |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 RE * 1 |
| other | AC * 9 RE * 25 |
ソースコード
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MACRO_OUT(__VA_ARGS__);#define FOUT(n, dist) scan_out<<std::fixed<<std::setprecision(n)<<(dist);#define SOUT(n, c, dist) scan_out<<std::setw(n)<<std::setfill(c)<<(dist);#define VOUT(v) for(size_t i = 0; i < v.size(); ++i) {OUT(v[i]);if(i+1<v.size()){SP}}#define EOUT(...) do{ OUT(__VA_ARGS__)BR; exit(0); }while(0);#define SP scan_out<<' ';#define TAB scan_out<<'\t';#define BR scan_out<<'\n';#define SPBR(w, n) scan_out<<(w + 1 == n ? '\n' : ' ');#define ENDL scan_out<<std::endl;#define FLUSH scan_out<<std::flush;#define SHOW(dist) {std::cerr << #dist << "\t: " << (dist) << '\n';}// utility#define ALL(a) (a).begin(),(a).end()#define FOR(w, a, n) for(int w=(a);w<(n);++w)#define REP(w, n) FOR(w, 0, n)#define RFOR(w, a, n) for(int w=(n)-1;w>=(a);--w)#define RREP(w, n) RFOR(w, 0, n)template<class S, class T, class U> bool IN(S a, T x, U b) { return a <= x && x < b; }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; }// testtemplate<class T> using V = std::vector<T>;template<class T> using VV = V<V<T>>;////std::ostream& operator<<(std::ostream& os, const __int128& t) {// if (t >= 1000000000000000000) {// os << (long long)(t / 1000000000000000000) << (long long)(t % 1000000000000000000);// }// else {// os << (long long)t;// }// return os;//}template<typename S, typename T>std::ostream& operator<<(std::ostream& os, const std::pair<S, T>& p) {os << '(' << p.first << ',' << p.second << ')';return os;}template<typename T>std::ostream& operator<<(std::ostream& os, const std::vector<T>& v) {os << '{';for (size_t i = 0; i < v.size(); ++i) os << v[i] << ((i + 1 < v.size()) ? ',' : '}');return os;}template<typename T>std::ostream& operator<<(std::ostream& os, const std::set<T>& v) {os << '{';for (auto it = v.cbegin(); it != v.cend();) {os << *it << (++it == v.cend() ? '}' : ',');}return os;}template<typename S, typename T>std::ostream& operator<<(std::ostream& os, const std::map<S, T>& m) {os << '{';for (auto it = m.cbegin(); it != m.cend();) { os << it->first << ':' << it->second; ++it; os << (it != m.cend() ? ',' : '}'); }return os;}template<typename T>std::ostream& operator<<(std::ostream& os, std::queue<T> q) {os << '<';while (!q.empty()) { os << q.front(); q.pop(); os << (q.empty() ? '<' : ','); }return os;}template<typename T>std::ostream& operator<<(std::ostream& os, std::stack<T> q) {os << '>';while (!q.empty()) { os << q.top(); q.pop(); os << (q.empty() ? ']' : ','); }return os;}namespace std {template<typename S, typename T> class numeric_limits<pair<S, T>> {public:static constexpr pair<S, T> max() noexcept { return { numeric_limits<S>::max(), numeric_limits<T>::max() }; }static constexpr pair<S, T> lowest() noexcept { return { numeric_limits<S>::lowest(), numeric_limits<T>::lowest() }; }};}// type/constusing i64 = long long;using u64 = unsigned long long;using ll = long long;using ull = unsigned long long;using ld = long double;using PAIR = std::pair<int, int>;constexpr int INFINT = (1 << 30) - 1; // 1.07x10^ 9constexpr int INFINT_LIM = (1LL << 31) - 1; // 2.15x10^ 9constexpr long long INFLL = 1LL << 60; // 1.15x10^18constexpr long long INFLL_LIM = (1LL << 62) - 1 + (1LL << 62); // 9.22x10^18constexpr double EPS = 1e-12;constexpr int MOD = 998244353;constexpr double PI = 3.141592653589793238462643383279;template<class T, size_t N> void FILL(T(&a)[N], const T& val) { for (auto& x : a) x = val; }template<class ARY, size_t N, size_t M, class T> void FILL(ARY(&a)[N][M], const T& val) { for (auto& b : a) FILL(b, val); }template<class T> void FILL(std::vector<T>& a, const T& val) { for (auto& x : a) x = val; }template<class ARY, class T> void FILL(std::vector<std::vector<ARY>>& a, const T& val) { for (auto& b : a) FILL(b, val); }// ------------>8------------------------>8------------// ------------>8------------ SegmentTree ------------>8------------namespace Monoid {template <class T> class sum {public:using value_type = T;inline static T operation(const T& a, const T& b) { return a + b; }inline static T identity() { return T(0); }};template <class T> class max {public:using value_type = T;inline static T operation(const T& a, const T& b) { return (a < b) ? b : a; }inline static T identity() { return std::numeric_limits<T>::lowest(); }};template <class T> class min {public:using value_type = T;inline static T operation(const T& a, const T& b) { return (a < b) ? a : b; }inline static T identity() { return std::numeric_limits<T>::max(); }};class MONOID {public:struct S { int x; };using value_type = S;inline static S operation(const S& l, const S& r) { return S{ l.x + r.x }; }inline static S identity() { return S{ 0 }; }};}template <class Monoid>class SegmentTree {private:using T = typename Monoid::value_type;int ARY_SIZE;std::vector<T> ary;void init(int n) {while (ARY_SIZE < n) ARY_SIZE <<= 1;ary.resize(ARY_SIZE << 1, Monoid::identity());}public:SegmentTree(int n) : ARY_SIZE(1) { init(n); }SegmentTree(std::vector<T>& a) : ARY_SIZE(1) {init(a.size());std::copy(a.begin(), a.end(), ary.begin() + ARY_SIZE);for (int i = ARY_SIZE - 1; i >= 1; --i) {ary[i] = Monoid::operation(ary[i << 1], ary[(i << 1) + 1]);}}// -- a[i] = val;inline void update(int i, T val) {i += ARY_SIZE;ary[i] = val;while (i > 1) {i >>= 1;ary[i] = Monoid::operation(ary[i << 1], ary[(i << 1) + 1]);}}// -- a[i] += val;inline void add(int i, T val) {update(i, ary[i + ARY_SIZE] + val);}// -- [l, r)inline T query(int l, int r) {if (l >= r) return Monoid::identity();T vl = Monoid::identity(), vr = Monoid::identity();for (l += ARY_SIZE, r += ARY_SIZE; l != r; l >>= 1, r >>= 1) {if (l & 1) vl = Monoid::operation(vl, ary[l++]);if (r & 1) vr = Monoid::operation(ary[--r], vr);}return Monoid::operation(vl, vr);}T operator[](int i) { return ary[i + ARY_SIZE]; }void debugShow() {for (int i = ARY_SIZE; i < ARY_SIZE << 1; ++i) std::cerr << ary[i] << " ";std::cerr << "\n";}};// ------------8<------------ SegmentTree ------------8<------------// Description: 区間をsetで管理するデータ構造(なお実装はmap)．各クエリO(log区間数)．// #### attention! : [l, r] ( include r, not [l, r) )class SegmentMap : public std::map<signed, signed> {private:bool flagToMergeAdjacentSegment;public:// if merge [l, c] and [c+1, r], set flagToMergeAdjacentSegment to trueSegmentMap(bool flagToMergeAdjacentSegment) :flagToMergeAdjacentSegment(flagToMergeAdjacentSegment) {}// __exist -> iterator pair(l, r) (contain p)// noexist -> map.end()auto get(signed p) const {auto it = upper_bound(p);if (it == begin() || (--it)->second < p) return end();return it;}// insert segment [l, r]void insert(signed l, signed r) {auto itl = upper_bound(l), itr = upper_bound(r + flagToMergeAdjacentSegment);if (itl != begin()) {if ((--itl)->second < l - flagToMergeAdjacentSegment) ++itl;}if (itl != itr) {l = std::min(l, itl->first);r = std::max(r, std::prev(itr)->second);erase(itl, itr);}(*this)[l] = r;}// remove segment [l, r]void remove(signed l, signed r) {auto itl = upper_bound(l), itr = upper_bound(r);if (itl != begin()) {if ((--itl)->second < l) ++itl;}if (itl == itr) return;int tl = std::min(l, itl->first), tr = std::max(r, std::prev(itr)->second);erase(itl, itr);if (tl < l) (*this)[tl] = l - 1;if (r < tr) (*this)[r + 1] = tr;}// Is p and q in same segment?bool same(signed p, signed q) const {const auto&& it = get(p);return it != end() && it->first <= q && q <= it->second;}};signed main() {INIT;VAR(int, n, q);VEC_ROW(int, q, l, r, b);SegmentMap sm(true);SegmentTree<Monoid::min<int>> st(n);REP(i, n) st.update(i, 1000000000);{VV<int> d(q);REP(i, q) d[i] = { --l[i], --r[i], b[i], i };std::sort(ALL(d), [&](V<int>& tl, V<int>& tr) {if (tl[2] == tr[2]) return tl[3] < tr[3];return tl[2] > tr[2];});REP(i, q) {l[i] = d[i][0];r[i] = d[i][1];b[i] = d[i][2];}}REP(i, q) {if (st.query(l[i], r[i] + 1) != b[i]) {auto it = sm.get(l[i]);if (it == sm.end()) {st.update(l[i], b[i]);}else {if (it->second < r[i]) {st.update(it->second + 1, b[i]);}}}sm.insert(l[i], r[i]);}REP(i, q) {if (st.query(l[i], r[i] + 1) != b[i]) { assert(false); EOUT(-1); }}REP(i, n) {OUT(st.query(i, i + 1))SPBR(i, n);}return 0;}