結果
問題 | No.2690 A present from B (Hard) |
ユーザー | 👑 hos.lyric |
提出日時 | 2024-03-29 16:16:43 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,580 bytes |
コンパイル時間 | 1,393 ms |
コンパイル使用メモリ | 116,960 KB |
実行使用メモリ | 7,808 KB |
最終ジャッジ日時 | 2024-09-30 15:04:09 |
合計ジャッジ時間 | 4,109 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | AC | 1 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | AC | 13 ms
5,248 KB |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | AC | 1 ms
5,248 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | AC | 1 ms
5,248 KB |
testcase_16 | AC | 1 ms
5,248 KB |
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 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
ソースコード
#include <cassert> #include <cmath> #include <cstdint> #include <cstdio> #include <cstdlib> #include <cstring> #include <algorithm> #include <bitset> #include <complex> #include <deque> #include <functional> #include <iostream> #include <limits> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <sstream> #include <string> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using Int = long long; template <class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &a) { return os << "(" << a.first << ", " << a.second << ")"; }; template <class T> ostream &operator<<(ostream &os, const vector<T> &as) { const int sz = as.size(); os << "["; for (int i = 0; i < sz; ++i) { if (i >= 256) { os << ", ..."; break; } if (i > 0) { os << ", "; } os << as[i]; } return os << "]"; } template <class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; } template <class T> bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; } template <class T> bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; } #define COLOR(s) ("\x1b[" s "m") // T: monoid representing information of an interval. // T() should return the identity. // T(S s) should represent a single element of the array. // T::push(T &l, T &r) should push the lazy update. // T::pull(const T &l, const T &r) should pull two intervals. template <class T> struct SegmentTreeRange { int logN, n; vector<T> ts; SegmentTreeRange() : logN(0), n(0) {} explicit SegmentTreeRange(int n_) { for (logN = 0, n = 1; n < n_; ++logN, n <<= 1) {} ts.resize(n << 1); } template <class S> explicit SegmentTreeRange(const vector<S> &ss) { const int n_ = ss.size(); for (logN = 0, n = 1; n < n_; ++logN, n <<= 1) {} ts.resize(n << 1); for (int i = 0; i < n_; ++i) at(i) = T(ss[i]); build(); } T &at(int i) { return ts[n + i]; } void build() { for (int u = n; --u; ) pull(u); } inline void push(int u) { ts[u].push(ts[u << 1], ts[u << 1 | 1]); } inline void pull(int u) { ts[u].pull(ts[u << 1], ts[u << 1 | 1]); } // Applies T::f(args...) to [a, b). template <class F, class... Args> void ch(int a, int b, F f, Args &&... args) { assert(0 <= a); assert(a <= b); assert(b <= n); if (a == b) return; a += n; b += n; for (int h = logN; h; --h) { const int aa = a >> h, bb = b >> h; if (aa == bb) { if ((aa << h) != a || (bb << h) != b) push(aa); } else { if ((aa << h) != a) push(aa); if ((bb << h) != b) push(bb); } } for (int aa = a, bb = b; aa < bb; aa >>= 1, bb >>= 1) { if (aa & 1) (ts[aa++].*f)(args...); if (bb & 1) (ts[--bb].*f)(args...); } for (int h = 1; h <= logN; ++h) { const int aa = a >> h, bb = b >> h; if (aa == bb) { if ((aa << h) != a || (bb << h) != b) pull(aa); } else { if ((aa << h) != a) pull(aa); if ((bb << h) != b) pull(bb); } } } // Calculates the product for [a, b). T get(int a, int b) { assert(0 <= a); assert(a <= b); assert(b <= n); if (a == b) return T(); a += n; b += n; for (int h = logN; h; --h) { const int aa = a >> h, bb = b >> h; if (aa == bb) { if ((aa << h) != a || (bb << h) != b) push(aa); } else { if ((aa << h) != a) push(aa); if ((bb << h) != b) push(bb); } } T prodL, prodR, t; for (int aa = a, bb = b; aa < bb; aa >>= 1, bb >>= 1) { if (aa & 1) { t.pull(prodL, ts[aa++]); prodL = t; } if (bb & 1) { t.pull(ts[--bb], prodR); prodR = t; } } t.pull(prodL, prodR); return t; } // Calculates T::f(args...) of a monoid type for [a, b). // op(-, -) should calculate the product. // e() should return the identity. template <class Op, class E, class F, class... Args> #if __cplusplus >= 201402L auto #else decltype((std::declval<T>().*F())()) #endif get(int a, int b, Op op, E e, F f, Args &&... args) { assert(0 <= a); assert(a <= b); assert(b <= n); if (a == b) return e(); a += n; b += n; for (int h = logN; h; --h) { const int aa = a >> h, bb = b >> h; if (aa == bb) { if ((aa << h) != a || (bb << h) != b) push(aa); } else { if ((aa << h) != a) push(aa); if ((bb << h) != b) push(bb); } } auto prodL = e(), prodR = e(); for (int aa = a, bb = b; aa < bb; aa >>= 1, bb >>= 1) { if (aa & 1) prodL = op(prodL, (ts[aa++].*f)(args...)); if (bb & 1) prodR = op((ts[--bb].*f)(args...), prodR); } return op(prodL, prodR); } // Find min b s.t. T::f(args...) returns true, // when called for the partition of [a, b) from left to right. // Returns n + 1 if there is no such b. template <class F, class... Args> int findRight(int a, F f, Args &&... args) { assert(0 <= a); assert(a <= n); if ((T().*f)(args...)) return a; if (a == n) return n + 1; a += n; for (int h = logN; h; --h) push(a >> h); for (; ; a >>= 1) if (a & 1) { if ((ts[a].*f)(args...)) { for (; a < n; ) { push(a); if (!(ts[a <<= 1].*f)(args...)) ++a; } return a - n + 1; } ++a; if (!(a & (a - 1))) return n + 1; } } // Find max a s.t. T::f(args...) returns true, // when called for the partition of [a, b) from right to left. // Returns -1 if there is no such a. template <class F, class... Args> int findLeft(int b, F f, Args &&... args) { assert(0 <= b); assert(b <= n); if ((T().*f)(args...)) return b; if (b == 0) return -1; b += n; for (int h = logN; h; --h) push((b - 1) >> h); for (; ; b >>= 1) if ((b & 1) || b == 2) { if ((ts[b - 1].*f)(args...)) { for (; b <= n; ) { push(b - 1); if (!(ts[(b <<= 1) - 1].*f)(args...)) --b; } return b - n - 1; } --b; if (!(b & (b - 1))) return -1; } } }; //////////////////////////////////////////////////////////////////////////////// constexpr int INF = 1001001001; struct Node { int mn, lz; Node() : mn(INF), lz(INF) {} void push(Node &l, Node &r) { if (lz < INF) { l.chmin(lz); r.chmin(lz); lz = INF; } } void pull(const Node &l, const Node &r) { mn = min(l.mn, r.mn); } void chmin(int val) { ::chmin(mn, val); ::chmin(lz, val); } // leaf void change(int val) { mn = val; } }; int N, M; vector<int> A; int main() { for (; ~scanf("%d%d", &N, &M); ) { A.resize(M); for (int i = 0; i < M; ++i) { scanf("%d", &A[i]); } SegmentTreeRange<Node> segL(N), segR(N); auto update = [&](int i, int val) -> void { segL.ch(0, i + 1, &Node::chmin, val + i); segR.ch(i, N, &Node::chmin, val - i); }; auto get = [&](int i) -> int { int ret = INF; chmin(ret, segL.get(i, i + 1).mn - i); chmin(ret, segR.get(i, i + 1).mn + i); return ret; }; update(0, 0); for (int i = M; --i >= 0; ) { // swap(dp[A[i] - 1], dp[A[i]]); const int f = get(A[i] - 1); const int g = get(A[i]); update(A[i] - 1, g); update(A[i], f); // cerr<<"A[i] = "<<A[i]<<"; ";for(int x=0;x<N;++x)cerr<<get(x)<<" ";cerr<<endl; } for (int x = 1; x < N; ++x) { if (x > 1) printf(" "); printf("%d", get(x)); } puts(""); } return 0; }