結果
問題 | No.674 n連勤 |
ユーザー | Cyanmond |
提出日時 | 2020-10-25 17:52:52 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 2,919 bytes |
コンパイル時間 | 1,319 ms |
コンパイル使用メモリ | 123,696 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-21 20:53:21 |
合計ジャッジ時間 | 2,907 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
(要ログイン)
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
6,816 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | RE | - |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 6 ms
6,944 KB |
testcase_12 | AC | 8 ms
6,940 KB |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | AC | 65 ms
6,940 KB |
testcase_19 | RE | - |
ソースコード
//#pragma GCC target("avx") //#pragma GCC optimize("O3") //#pragma GCC optimize("unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #include <algorithm> #include <assert.h> #include <bitset> #include <cfloat> #include <complex> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <limits.h> #include <list> #include <map> #include <math.h> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <string.h> #include <time.h> #include <unordered_map> #include <unordered_set> #include <vector> #pragma region header using namespace std; using lint = long long; const int dx[] = { 1, 0, -1, 0 }; const int dy[] = { 0, 1, 0, -1 }; const long long INF = 1ll << 60; const int mod = 1000000007; #define prique(T) priority_queue<T, vector<T>, greater<T>> #define init std::ios::sync_with_stdio(false);std::cin.tie(0); template <class T, class U> inline bool chmax(T& lhs, const U& rhs) { if (lhs < rhs) { lhs = rhs; return 1; } return 0; } template <class T, class U> inline bool chmin(T& lhs, const U& rhs) { if (lhs > rhs) { lhs = rhs; return true; } return false; } #pragma endregion class SegmentMap : public std::map<signed, signed> { private: bool flagToMergeAdjacentSegment; public: // if merge [l, c] and [c+1, r], set flagToMergeAdjacentSegment to true SegmentMap(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; } }; int main(void) { init; lint d, q; cin >> d >> q; SegmentMap s(true); lint dynamicans = 0; for (int _ = 0; _ < q; ++_) { lint a, b; cin >> a >> b; s.insert(a, b); auto itr = s.get(a); chmax(dynamicans, itr->second - itr->first + 1); cout << dynamicans << endl; } return 0; }