結果
問題 | No.801 エレベーター |
ユーザー | tokoharu_procon |
提出日時 | 2019-03-17 23:12:24 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,236 ms / 2,000 ms |
コード長 | 5,446 bytes |
コンパイル時間 | 1,796 ms |
コンパイル使用メモリ | 179,988 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-08 02:06:47 |
合計ジャッジ時間 | 22,501 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 14 ms
6,944 KB |
testcase_04 | AC | 14 ms
6,940 KB |
testcase_05 | AC | 14 ms
6,940 KB |
testcase_06 | AC | 14 ms
6,940 KB |
testcase_07 | AC | 15 ms
6,940 KB |
testcase_08 | AC | 14 ms
6,940 KB |
testcase_09 | AC | 13 ms
6,944 KB |
testcase_10 | AC | 14 ms
6,944 KB |
testcase_11 | AC | 14 ms
6,944 KB |
testcase_12 | AC | 15 ms
6,940 KB |
testcase_13 | AC | 1,226 ms
6,940 KB |
testcase_14 | AC | 1,236 ms
6,944 KB |
testcase_15 | AC | 1,226 ms
6,944 KB |
testcase_16 | AC | 1,231 ms
6,940 KB |
testcase_17 | AC | 1,232 ms
6,940 KB |
testcase_18 | AC | 1,217 ms
6,940 KB |
testcase_19 | AC | 1,215 ms
6,944 KB |
testcase_20 | AC | 1,225 ms
6,944 KB |
testcase_21 | AC | 1,230 ms
6,940 KB |
testcase_22 | AC | 1,203 ms
6,940 KB |
testcase_23 | AC | 1,195 ms
6,940 KB |
testcase_24 | AC | 1,214 ms
6,944 KB |
testcase_25 | AC | 1,179 ms
6,944 KB |
testcase_26 | AC | 1,186 ms
6,944 KB |
testcase_27 | AC | 1,205 ms
6,944 KB |
testcase_28 | AC | 1,200 ms
6,940 KB |
コンパイルメッセージ
main.cpp: In instantiation of 'auto exvector(const T&, SIZE_T ...) [with T = mint<>; SIZE_T = {int}]': main.cpp:207:15: required from here main.cpp:57:37: warning: narrowing conversion of 'dims#0' from 'int' to 'long unsigned int' [-Wnarrowing] 57 | std::vector<std::size_t> vec_dims{dims...}; | ^~~~ main.cpp:57:37: warning: narrowing conversion of 'dims#0' from 'int' to 'long unsigned int' [-Wnarrowing]
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<LL, LL> PII; // chmax, chmin template <class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } template <typename T> function<T(T, T)> op_max = [](T a, T b) -> T { return max(a, b); }; template <typename T> function<T(T, T)> op_min = [](T a, T b) -> T { return min(a, b); }; template <typename T> function<T(T, T)> op_sum = [](T a, T b) -> T { return a + b; }; namespace detail { template <typename T, std::size_t NDIMS> struct vector_builder { using type = std::vector<typename vector_builder<T, NDIMS - 1>::type>; static type make(std::vector<std::size_t> dims, const T& v = {}) { const auto vec = std::vector<T>(dims.empty() ? 0 : dims.back(), v); if (!dims.empty()) dims.pop_back(); return vector_builder<std::vector<T>, NDIMS - 1>::make(dims, vec); } }; template <typename T> struct vector_builder<T, 1> { using type = std::vector<T>; static type make(std::vector<std::size_t> dims, const T& v = {}) { return type(dims.empty() ? 0 : dims.back(), v); } }; } // namespace detail template <typename T, typename... SIZE_T> auto exvector(const T& v, SIZE_T... dims) { static_assert(sizeof...(dims) != 0, "invalid dimension"); std::vector<std::size_t> vec_dims{dims...}; return detail::vector_builder<T, sizeof...(dims)>::make(vec_dims, v); } using namespace std; //******************** dumps ************************// template <typename T> void dump(const T& data, vector<int>& iter) { cout << data << " "; } template <typename T> void dump(const vector<T>& data, vector<int>& iter) { for (auto elem : data) dump(elem, iter); cout << endl; } template <typename T> void dump(const vector<vector<T>>& data, vector<int>& iter) { for (auto elem : iter) { cout << "[" << elem << "]"; } cout << endl; for (int i = 0; i < data.size(); i++) { iter.push_back(i); dump(data[i], iter); iter.pop_back(); } cout << endl; } template <typename T> void dump(const vector<T>& data, int dummy) { for (int i = 0; i < data.size(); i++) { cout << "[" << i << "] " << data[i] << endl; } } template <typename T> void dump(const T& data) { // T : data, U = base type val. vector<int> iter; dump(data, iter); } /////////////////////////////////////////////// long long mul(long long a, long long b, const long long MOD) { return b ? (mul(a * 2, b / 2, MOD) + (b & 1 ? a : 0)) % MOD : 0; } long long bpow(long long a, long long b, const long long MOD) { return (b ? bpow(a * a % MOD, b / 2, MOD) * (b & 1 ? a : 1) : 1) % MOD; } long long inv(long long a, const long long MOD) { return bpow(a, MOD - 2, MOD); } vector<long long> MODS = {1000000007}; template <int kind = 0> class mint { public: long long v; mint() : v(0) {} mint(long long v) : v((v % MODS[kind] + MODS[kind]) % MODS[kind]) {} long long get_mod() { return MODS[kind]; } long long get_val() { return v; } }; template <int kind> ostream& operator<<(ostream& os, const mint<kind>& x) { return os << x.v; } template <int kind> mint<kind>& operator+=(mint<kind>& a, mint<kind> b) { return a = a.v + b.v; } template <int kind> mint<kind>& operator-=(mint<kind>& a, mint<kind> b) { return a = a.v - b.v; } template <int kind> mint<kind>& operator*=(mint<kind>& a, mint<kind> b) { return a = a.v * b.v; } template <int kind> mint<kind>& operator/=(mint<kind>& a, mint<kind> b) { return a = a.v * inv(b.v, a.get_mod()); } template <int kind> mint<kind> operator+(mint<kind> a, mint<kind> b) { return a += b; } template <int kind> mint<kind> operator-(mint<kind> a, mint<kind> b) { return a -= b; } template <int kind> mint<kind> operator*(mint<kind> a, mint<kind> b) { return a *= b; } template <int kind> mint<kind> operator/(mint<kind> a, mint<kind> b) { return a /= b; } template <int kind> mint<kind>& operator+=(mint<kind>& a, long long b) { return a = a.v + b; } template <int kind> mint<kind>& operator-=(mint<kind>& a, long long b) { return a = a.v - b; } template <int kind> mint<kind>& operator*=(mint<kind>& a, long long b) { return a = a.v * b; } template <int kind> mint<kind>& operator/=(mint<kind>& a, long long b) { return a = a.v * inv(b, a.get_mod()); } template <int kind> mint<kind> operator+(mint<kind> a, long long b) { return a += b; } template <int kind> mint<kind> operator-(mint<kind> a, long long b) { return a -= b; } template <int kind> mint<kind> operator*(mint<kind> a, long long b) { return a *= b; } template <int kind> mint<kind> operator/(mint<kind> a, long long b) { return a /= b; } int main() { mint<> ans; int N, M, K; cin >> N >> M >> K; vector<PII> input; for (int i = 0; i < M; i++) { int a, b; cin >> a >> b; input.push_back(PII(a, b)); } vector<mint<>> a, b, c; int length = N + 2; a = exvector(mint<>(), length); a[1] = 1; for (int z = 0; z < K; z++) { b.clear(); c = exvector(mint<>(), length); partial_sum(a.begin(), a.end(), back_inserter(b)); for (int i = 0; i < M; i++) { int l = input[i].first; int r = input[i].second; mint<> val = b[r] - b[l - 1]; c[l] += val; c[r + 1] -= val; } a.clear(); partial_sum(c.begin(), c.end(), back_inserter(a)); } cout << a[N] << endl; return 0; }