結果
問題 | No.2796 Small Matryoshka |
ユーザー | ir5 |
提出日時 | 2024-06-28 21:35:20 |
言語 | C++23(gcc13) (gcc 13.2.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,176 bytes |
コンパイル時間 | 2,508 ms |
コンパイル使用メモリ | 156,672 KB |
実行使用メモリ | 20,892 KB |
最終ジャッジ日時 | 2024-06-28 21:35:26 |
合計ジャッジ時間 | 4,660 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | WA | - |
testcase_05 | AC | 36 ms
6,944 KB |
testcase_06 | AC | 251 ms
20,892 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 168 ms
13,428 KB |
testcase_09 | AC | 232 ms
19,148 KB |
testcase_10 | AC | 227 ms
15,092 KB |
testcase_11 | AC | 231 ms
17,508 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
ソースコード
#include <algorithm> #include <cassert> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <iostream> #include <numeric> #include <vector> #include <map> #include <set> #include <queue> #include <functional> #include <iomanip> using namespace std; using ll = long long; class range {private: struct I{int x;int operator*(){return x;}bool operator!=(I& lhs){return x<lhs.x;}void operator++(){++x;}};I i,n; public:range(int n_):i({0}),n({n_}){}range(int i_,int n_):i({i_}),n({n_}){}I& begin(){return i;}I& end(){return n;}}; template<typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p){ return os << "{" << p.first << ", " << p.second << "}"; } template<typename T> ostream& operator<<(ostream& os, const vector<T>& obj) { os << "{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T> ostream& operator<<(ostream& os, const set<T>& obj) { os << "set{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& obj) { os << "map{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T> void take(vector<T>& vec, int n) { vec.resize(n); for (int i = 0; i < n; ++i) cin >> vec[i]; } #ifdef ONLINE_JUDGE #define dump(expr) ; #else #define dump(expr) { cerr << "\033[33m#L" << __LINE__ << ": " << expr << "\033[39m" << endl; } #endif template<typename T> void vec_unique(vector<T>& v) { ranges::sort(v); auto result = ranges::unique(v); v.erase(result.begin(), result.end()); } template<typename T> ll vec_index(vector<T>& v, T val) { auto it = ranges::lower_bound(v, val); return it - v.begin(); } namespace solver { template<typename T1, typename T2> struct In2 { T1 a; T2 b; friend std::istream& operator>>(std::istream& is, In2& obj) { T1 t1; T2 t2; is >> t1 >> t2; obj = {t1, t2}; return is; } }; template<typename T1, typename T2, typename T3> struct In3 { T1 a; T2 b; T3 c; friend std::istream& operator>>(std::istream& is, In3& obj) { T1 t1; T2 t2; T3 t3; is >> t1 >> t2 >> t3; obj = {t1, t2, t3}; return is; } }; int n; vector<In2<int, int>> rs; void read() { cin >> n; take(rs, n); } using RetType = int; RetType run() { vector<int> vs; for (auto p : rs) { vs.push_back(p.a); vs.push_back(p.b); } vec_unique(vs); dump(vs); int M = (int)vs.size(); vector<vector<int>> vs2(M); for (auto p : rs) { vs2[vec_index(vs, p.b)].push_back(vec_index(vs, p.a)); } vector<int> dp(M); int best = 0; for (int i : range(vs.size())) { int cand = i > 0 ? dp[i - 1] : 0; for (int to : vs2[i]) { cand = max(cand, 1 + dp[to]); } dp[i] = cand; best = max(cand, best); } return n - best; } } // namespace template <typename F> void run(F f) { if constexpr (std::is_same_v<decltype(f()), void>) f(); else cout << f() << endl; } int main(int argc, char** argv) { cerr << fixed << setprecision(12); cout << fixed << setprecision(12); int testcase = 1; if (argc > 1) testcase = atoi(argv[1]); while (testcase--) { solver::read(); } run(solver::run); }