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 22:01:03 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,375 ms / 2,000 ms |
コード長 | 5,778 bytes |
コンパイル時間 | 2,028 ms |
コンパイル使用メモリ | 180,452 KB |
実行使用メモリ | 77,624 KB |
最終ジャッジ日時 | 2024-07-07 22:50:14 |
合計ジャッジ時間 | 23,984 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 20 ms
7,236 KB |
testcase_01 | AC | 18 ms
7,372 KB |
testcase_02 | AC | 18 ms
7,368 KB |
testcase_03 | AC | 30 ms
7,244 KB |
testcase_04 | AC | 31 ms
7,372 KB |
testcase_05 | AC | 32 ms
7,236 KB |
testcase_06 | AC | 31 ms
7,368 KB |
testcase_07 | AC | 30 ms
7,244 KB |
testcase_08 | AC | 31 ms
7,368 KB |
testcase_09 | AC | 31 ms
7,496 KB |
testcase_10 | AC | 32 ms
7,364 KB |
testcase_11 | AC | 33 ms
7,372 KB |
testcase_12 | AC | 31 ms
7,364 KB |
testcase_13 | AC | 1,294 ms
76,808 KB |
testcase_14 | AC | 1,318 ms
77,004 KB |
testcase_15 | AC | 1,316 ms
76,744 KB |
testcase_16 | AC | 1,319 ms
76,744 KB |
testcase_17 | AC | 1,323 ms
76,740 KB |
testcase_18 | AC | 1,330 ms
76,760 KB |
testcase_19 | AC | 1,310 ms
76,768 KB |
testcase_20 | AC | 1,375 ms
76,800 KB |
testcase_21 | AC | 1,306 ms
76,836 KB |
testcase_22 | AC | 1,297 ms
77,256 KB |
testcase_23 | AC | 1,259 ms
76,680 KB |
testcase_24 | AC | 1,260 ms
76,788 KB |
testcase_25 | AC | 1,259 ms
76,856 KB |
testcase_26 | AC | 1,274 ms
76,764 KB |
testcase_27 | AC | 1,255 ms
76,604 KB |
testcase_28 | AC | 1,253 ms
77,624 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, int}]': main.cpp:214:21: 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] main.cpp:57:37: warning: narrowing conversion of 'dims#1' from 'int' to 'long unsigned int' [-Wnarrowing] main.cpp:57:37: warning: narrowing conversion of 'dims#1' 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; } vector<mint<>> kaijo; void init() { kaijo.push_back(mint<>(1)); for (int i = 1; i <= 400000; i++) { kaijo.push_back(kaijo.back() * i); } } mint<> comb(LL N, LL K) { if (K < 0) return mint<>(0); if (K > N) return mint<>(0); return kaijo[N] / kaijo[N - K] / kaijo[K]; } int main() { init(); mint<> ans; int N, M, K; cin >> N >> M >> K; auto dp = exvector(mint<>(0), K + 1, N + 2); vector<PII> input; for (int i = 0; i < M; i++) { int a, b; cin >> a >> b; input.push_back(PII(a, b)); } dp[0][1] = 1; for (int z = 0; z < K; z++) { for (int i = 1; i <= N; i++) dp[z][i] += dp[z][i - 1]; for (int i = 0; i < M; i++) { int l = input[i].first; int r = input[i].second; mint<> val = dp[z][r] - dp[z][l - 1]; dp[z + 1][l] += val; dp[z + 1][r + 1] -= val; } for (int i = 1; i <= N + 1; i++) dp[z + 1][i] += dp[z + 1][i - 1]; dp[z + 1][0] = 0; } // ans = accumulate(dp[K].begin(), dp[K].end(), mint<>(0)); cout << dp[K][N] << endl; return 0; }