結果
問題 | No.674 n連勤 |
ユーザー | chlo |
提出日時 | 2019-12-17 11:26:29 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 58 ms / 2,000 ms |
コード長 | 3,128 bytes |
コンパイル時間 | 1,969 ms |
コンパイル使用メモリ | 177,832 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-02 21:15:24 |
合計ジャッジ時間 | 3,021 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 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 6 ms
5,376 KB |
testcase_12 | AC | 6 ms
5,376 KB |
testcase_13 | AC | 46 ms
5,376 KB |
testcase_14 | AC | 45 ms
5,376 KB |
testcase_15 | AC | 46 ms
5,376 KB |
testcase_16 | AC | 58 ms
5,376 KB |
testcase_17 | AC | 58 ms
5,376 KB |
testcase_18 | AC | 54 ms
5,376 KB |
testcase_19 | AC | 49 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> #define GET_REP(_1, _2, _3, NAME, ...) NAME #define rep(...) GET_REP(__VA_ARGS__, irep, _rep)(__VA_ARGS__) #define rep1(...) GET_REP(__VA_ARGS__, irep1, _rep1)(__VA_ARGS__) #define _rep(i, n) irep (i, 0, n) #define _rep1(i, n) irep1(i, 1, n) #define irep(i, a, n) for (int i = a; i < (int)(n); ++i) #define irep1(i, a, n) for (int i = a; 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 >= 1; --i) #define allrep(X, x) for (auto &&X : x) #define all(x) begin(x), end(x) #define debug(x) cout << #x " => " << (x) << endl #ifdef LOCAL #include "../../Lib/cout_container.hpp" #endif using lint = long long; constexpr int MOD = (int)1e9 + 7; constexpr double EPS = 1e-9; using namespace std; namespace { struct INIT { INIT() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } INIT; } template <bool merge_adjacent> class SectionUnion { struct comp { bool operator()(const pair<long long, long long> &a, const pair<long long, long long> &b) const { return a.second < b.second; } }; public: set<pair<long long, long long>, comp> section_set; SectionUnion(void) {} pair<bool, pair<long long, long long>> get(const long long x) const { auto itr = section_set.lower_bound({0, x}); return {!(itr == section_set.end() && x < itr->first), *itr}; } bool insert(long long l, long long r) { auto litr = section_set.lower_bound({0, l - merge_adjacent}), ritr = section_set.lower_bound({0, r}); if (ritr != section_set.end() && r + merge_adjacent >= ritr->first) ++ritr; const bool exist = litr != ritr; if (exist) { l = min(l, litr->first), r = max(r, prev(ritr)->second); section_set.erase(litr, ritr); } section_set.insert({l, r}); return exist; } bool remove(long long l, long long r, bool involve = false) { auto litr = section_set.lower_bound({0, l}), ritr = section_set.lower_bound({0, r}); if (ritr != section_set.end() && r >= ritr->first) ++ritr; const bool exist = litr != ritr; if (exist) { long long ledge = litr->first, redge = prev(ritr)->second; section_set.erase(litr, ritr); if (!involve) { if (ledge < l) section_set.insert({ledge, l - 1}); if (r < redge) section_set.insert({r + 1, redge}); } } return exist; } bool same(long long a, long long b) const { if (b < a) swap(a, b); auto itr = section_set.lower_bound({0, b}); return itr != section_set.end() && itr->first <= a; } void clear(void) { section_set.clear(); } bool empty(void) const { return section_set.empty(); } int size(void) const { return section_set.size(); } }; int main(void) { lint d, q; cin >> d >> q; vector<pair<lint, lint>> ab(q); rep (i, q) cin >> ab[i].first >> ab[i].second; SectionUnion<true> su; lint maxi = 0; vector<lint> ans(q + 1); rep (i, q) { su.insert(ab[i].first, ab[i].second); auto p = su.get(ab[i].first).second; ans[i + 1] = max(ans[i], p.second - p.first + 1); } rep1 (i, q) cout << ans[i] << endl; return 0; }