結果
問題 | No.2796 Small Matryoshka |
ユーザー | Aging1986 |
提出日時 | 2024-06-28 21:32:30 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 146 ms / 2,000 ms |
コード長 | 9,827 bytes |
コンパイル時間 | 3,016 ms |
コンパイル使用メモリ | 230,892 KB |
実行使用メモリ | 12,928 KB |
最終ジャッジ日時 | 2024-06-28 21:32:50 |
合計ジャッジ時間 | 4,520 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 16 ms
6,944 KB |
testcase_06 | AC | 114 ms
11,648 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 80 ms
9,728 KB |
testcase_09 | AC | 132 ms
12,928 KB |
testcase_10 | AC | 146 ms
12,800 KB |
testcase_11 | AC | 136 ms
12,928 KB |
testcase_12 | AC | 49 ms
7,680 KB |
testcase_13 | AC | 7 ms
6,940 KB |
testcase_14 | AC | 41 ms
7,168 KB |
testcase_15 | AC | 11 ms
6,944 KB |
testcase_16 | AC | 19 ms
6,940 KB |
testcase_17 | AC | 82 ms
9,216 KB |
testcase_18 | AC | 99 ms
9,728 KB |
testcase_19 | AC | 26 ms
6,940 KB |
testcase_20 | AC | 38 ms
6,940 KB |
testcase_21 | AC | 82 ms
8,960 KB |
ソースコード
#pragma clang diagnostic push #pragma ide diagnostic ignored "cppcoreguidelines-narrowing-conversions" #pragma ide diagnostic ignored "hicpp-signed-bitwise" #pragma GCC optimize ("Ofast,unroll-loops") #pragma GCC optimize("no-stack-protector,fast-math") #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> pll; typedef pair<int, int> pii; typedef pair<double, double> pdd; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<double> vd; typedef vector<string> vs; typedef vector<vi> vvi; typedef vector<vvi> vvvi; typedef vector<vll> vvll; typedef vector<vvll> vvvll; typedef vector<pii> vpii; typedef vector<vpii> vvpii; typedef vector<pll> vpll; typedef vector<vpll> vvpll; typedef vector<pdd> vpdd; typedef vector<vd> vvd; #define yn(ans) printf("%s\n", (ans)?"Yes":"No"); #define YN(ans) printf("%s\n", (ans)?"YES":"NO"); template<class T> bool chmax(T &a, T b) { if (a >= b) return false; a = b; return true; } template<class T> bool chmin(T &a, T b) { if (a <= b) return false; a = b; return true; } #define FOR(i, s, e, t) for ((i) = (s); (i) < (e); (i) += (t)) #define REP(i, e) for (int i = 0; i < (e); ++i) #define REP1(i, s, e) for (int i = (s); i < (e); ++i) #define RREP(i, e) for (int i = (e); i >= 0; --i) #define RREP1(i, e, s) for (int i = (e); i >= (s); --i) #define all(v) v.begin(), v.end() #define pb push_back #define qb pop_back #define pf push_front #define qf pop_front #define maxe max_element #define mine min_element ll inf = 1e18; #define DEBUG printf("%d\n", __LINE__); fflush(stdout); template<class T> void print(vector<T> &v, bool withSize = false) { if (withSize) cout << v.size() << endl; REP(i, v.size()) cout << v[i] << " "; cout << endl; } mt19937_64 rng((unsigned int) chrono::steady_clock::now().time_since_epoch().count()); int __FAST_IO__ = []() { std::ios::sync_with_stdio(0); std::cin.tie(0); std::cout.tie(0); return 0; }(); // Mint & Combinatorics template <typename T> T inverse(T a, T m) { T u = 0, v = 1; while (a != 0) { T t = m / a; m -= t * a; swap(a, m); u -= t * v; swap(u, v); } return u; } template <typename T> class Modular { public: using Type = typename decay<decltype(T::value)>::type; constexpr Modular() : value() {} template <typename U> Modular(const U& x) { value = normalize(x); } template <typename U> static Type normalize(const U& x) { Type v; if (-mod() <= x && x < mod()) v = static_cast<Type>(x); else v = static_cast<Type>(x % mod()); if (v < 0) v += mod(); return v; } const Type& operator()() const { return value; } template <typename U> explicit operator U() const { return static_cast<U>(value); } constexpr static Type mod() { return T::value; } Modular& operator+=(const Modular& other) { if ((value += other.value) >= mod()) value -= mod(); return *this; } Modular& operator-=(const Modular& other) { if ((value -= other.value) < 0) value += mod(); return *this; } template <typename U> Modular& operator+=(const U& other) { return *this += Modular(other); } template <typename U> Modular& operator-=(const U& other) { return *this -= Modular(other); } Modular& operator++() { return *this += 1; } Modular& operator--() { return *this -= 1; } Modular operator++(int) { Modular result(*this); *this += 1; return result; } Modular operator--(int) { Modular result(*this); *this -= 1; return result; } Modular operator-() const { return Modular(-value); } template <typename U = T> typename enable_if<is_same<typename Modular<U>::Type, int>::value, Modular>::type& operator*=(const Modular& rhs) { #ifdef _WIN32 uint64_t x = static_cast<int64_t>(value) * static_cast<int64_t>(rhs.value); uint32_t xh = static_cast<uint32_t>(x >> 32), xl = static_cast<uint32_t>(x), d, m; asm( "divl %4; \n\t" : "=a" (d), "=d" (m) : "d" (xh), "a" (xl), "r" (mod()) ); value = m; #else value = normalize(static_cast<int64_t>(value) * static_cast<int64_t>(rhs.value)); #endif return *this; } template <typename U = T> typename enable_if<is_same<typename Modular<U>::Type, long long>::value, Modular>::type& operator*=(const Modular& rhs) { long long q = static_cast<long long>(static_cast<long double>(value) * rhs.value / mod()); value = normalize(value * rhs.value - q * mod()); return *this; } template <typename U = T> typename enable_if<!is_integral<typename Modular<U>::Type>::value, Modular>::type& operator*=(const Modular& rhs) { value = normalize(value * rhs.value); return *this; } Modular& operator/=(const Modular& other) { return *this *= Modular(inverse(other.value, mod())); } friend const Type& abs(const Modular& x) { return x.value; } template <typename U> friend bool operator==(const Modular<U>& lhs, const Modular<U>& rhs); template <typename U> friend bool operator<(const Modular<U>& lhs, const Modular<U>& rhs); template <typename V, typename U> friend V& operator>>(V& stream, Modular<U>& number); private: Type value; }; template <typename T> bool operator==(const Modular<T>& lhs, const Modular<T>& rhs) { return lhs.value == rhs.value; } template <typename T, typename U> bool operator==(const Modular<T>& lhs, U rhs) { return lhs == Modular<T>(rhs); } template <typename T, typename U> bool operator==(U lhs, const Modular<T>& rhs) { return Modular<T>(lhs) == rhs; } template <typename T> bool operator!=(const Modular<T>& lhs, const Modular<T>& rhs) { return !(lhs == rhs); } template <typename T, typename U> bool operator!=(const Modular<T>& lhs, U rhs) { return !(lhs == rhs); } template <typename T, typename U> bool operator!=(U lhs, const Modular<T>& rhs) { return !(lhs == rhs); } template <typename T> bool operator<(const Modular<T>& lhs, const Modular<T>& rhs) { return lhs.value < rhs.value; } template <typename T> Modular<T> operator+(const Modular<T>& lhs, const Modular<T>& rhs) { return Modular<T>(lhs) += rhs; } template <typename T, typename U> Modular<T> operator+(const Modular<T>& lhs, U rhs) { return Modular<T>(lhs) += rhs; } template <typename T, typename U> Modular<T> operator+(U lhs, const Modular<T>& rhs) { return Modular<T>(lhs) += rhs; } template <typename T> Modular<T> operator-(const Modular<T>& lhs, const Modular<T>& rhs) { return Modular<T>(lhs) -= rhs; } template <typename T, typename U> Modular<T> operator-(const Modular<T>& lhs, U rhs) { return Modular<T>(lhs) -= rhs; } template <typename T, typename U> Modular<T> operator-(U lhs, const Modular<T>& rhs) { return Modular<T>(lhs) -= rhs; } template <typename T> Modular<T> operator*(const Modular<T>& lhs, const Modular<T>& rhs) { return Modular<T>(lhs) *= rhs; } template <typename T, typename U> Modular<T> operator*(const Modular<T>& lhs, U rhs) { return Modular<T>(lhs) *= rhs; } template <typename T, typename U> Modular<T> operator*(U lhs, const Modular<T>& rhs) { return Modular<T>(lhs) *= rhs; } template <typename T> Modular<T> operator/(const Modular<T>& lhs, const Modular<T>& rhs) { return Modular<T>(lhs) /= rhs; } template <typename T, typename U> Modular<T> operator/(const Modular<T>& lhs, U rhs) { return Modular<T>(lhs) /= rhs; } template <typename T, typename U> Modular<T> operator/(U lhs, const Modular<T>& rhs) { return Modular<T>(lhs) /= rhs; } template<typename T, typename U> Modular<T> power(const Modular<T>& a, const U& b) { assert(b >= 0); Modular<T> x = a, res = 1; U p = b; while (p > 0) { if (p & 1) res *= x; x *= x; p >>= 1; } return res; } template <typename T> bool IsZero(const Modular<T>& number) { return number() == 0; } template <typename T> string to_string(const Modular<T>& number) { return to_string(number()); } // U == std::ostream? but done this way because of fastoutput template <typename U, typename T> U& operator<<(U& stream, const Modular<T>& number) { return stream << number(); } // U == std::istream? but done this way because of fastinput template <typename U, typename T> U& operator>>(U& stream, Modular<T>& number) { typename common_type<typename Modular<T>::Type, long long>::type x; stream >> x; number.value = Modular<T>::normalize(x); return stream; } struct MOD { static int value; }; int MOD::value = 1e9+7; using Mint = Modular<MOD>; typedef vector<Mint> vm; typedef vector<vm> vvm; typedef vector<vvm> vvvm; vector<Mint> fac, ifac; void initFac(int N) { fac.resize(N + 1); ifac.resize(N + 1); fac[0] = ifac[0] = 1; REP1(i, 1, N + 1) { fac[i] = fac[i - 1] * i; } ifac[N] = 1 / fac[N]; RREP1(i, N - 1, 1) { ifac[i] = (i + 1) * ifac[i + 1]; } } Mint C(int m, int n) { if (m < n || n < 0) return 0; return fac[m] * ifac[n] * ifac[m - n]; } Mint P(int m, int n) { if (m < n || n < 0) return 0; return fac[m] * ifac[m - n]; } vector<int> z_function(string &s) { int n = (int)s.length(); vector<int> z(n); for (int i = 1, l = 0, r = 0; i < n; ++i) { if (i <= r && z[i - l] < r - i + 1) { z[i] = z[i - l]; } else { z[i] = max(0, r - i + 1); while (i + z[i] < n && s[z[i]] == s[i + z[i]]) ++z[i]; } if (i + z[i] - 1 > r) l = i, r = i + z[i] - 1; } return z; } #define TESTS int t; cin >> t; while (t--) #define TEST int main() { TEST { int N; cin >> N; multiset<pii> s; REP(i, N) { int x, y; cin >> x >> y; s.insert({x, y}); } int ans = 0, r = 0; while (!s.empty()) { auto it = s.lower_bound({r, 0}); if (it == s.end()) { ans++; r = 0; } else { r = it->second; s.erase(it); } } cout << ans; } return 0; }