結果

問題 No.801 エレベーター
ユーザー firiexpfiriexp
提出日時 2019-03-17 22:02:17
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 1,603 bytes
コンパイル時間 747 ms
コンパイル使用メモリ 81,732 KB
最終ジャッジ日時 2024-11-14 21:20:04
合計ジャッジ時間 1,368 ms
ジャッジサーバーID
(参考情報)
judge1 / judge4
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
main.cpp:16:39: error: '::numeric_limits' has not been declared
   16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
      |                                       ^~~~~~~~~~~~~~
main.cpp:16:55: error: expected primary-expression before '>' token
   16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
      |                                                       ^
main.cpp:16:61: error: no matching function for call to 'max()'
   16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
      |                                                        ~~~~~^~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/string:50,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/locale_classes.h:40,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/ios_base.h:41,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ios:42,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:38,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/iostream:39,
                 from main.cpp:1:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
main.cpp:16:61: note:   candidate expects 2 arguments, 0 provided
   16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
      |                                                        ~~~~~^~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:300:5: note: candidate: 'templat

ソースコード

diff #

#include <iostream>
#include <algorithm>
#include <iomanip>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>

static const int MOD = 1000000007;
using ll = int64_t;
using u32 = uint32_t;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;

template <class T, class U>
vector<T> make_v(U size, const T& init){ return vector<T>(static_cast<size_t>(size), init); }

template<class... Ts, class U>
auto make_v(U size, Ts... rest) { return vector<decltype(make_v(rest...))>(static_cast<size_t>(size), make_v(rest...)); }

template<class T> void chmin(T &a, const T &b){ a = (a < b ? a : b); }
template<class T> void chmax(T &a, const T &b){ a = (a > b ? a : b); }

int main() {
    int n, m, k;
    cin >> n >> m >> k;
    vector<pair<int, int>> v;
    for (int i = 0; i < m; ++i) {
        int l, r;
        cin >> l >> r;
        v.emplace_back(l, r);
    }
    auto dp = make_v(k+1, n+1, (ll)0);
    fill(dp[0].begin(), dp[0].end(), 1);
    dp[0][0] = 0;
    for (int i = 0; i < k; ++i) {
        for (int j = 0; j < m; ++j) {
            int l, r;
            tie(l, r) = v[j];
            ll x = (dp[i][r] - dp[i][l-1] + MOD) % MOD;
            (dp[i+1][l] += x) %= MOD;
            if(r != n) (dp[i+1][r+1] += MOD-x) %= MOD;
        }
        for (int j = 0; j < n; ++j) {
            (dp[i+1][j+1] += dp[i+1][j]) %= MOD;
        }
        for (int j = 0; j < n; ++j) {
            (dp[i+1][j+1] += dp[i+1][j]) %= MOD;
        }
    }
    cout << (dp[k][n] - dp[k][n-1]+MOD) % MOD << "\n";
    return 0;
}
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