結果

問題 No.90 品物の並び替え
ユーザー firiexp
提出日時 2019-03-07 14:54:24
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 1,255 bytes
コンパイル時間 632 ms
コンパイル使用メモリ 78,196 KB
最終ジャッジ日時 2024-11-14 21:17:37
合計ジャッジ時間 980 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge2
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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 #
プレゼンテーションモードにする

#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 <typename T>
struct edge {
    int from, to;
    T cost;
    edge(int to, T cost) : from(-1), to(to), cost(cost) {}
    edge(int from, int to, T cost) : from(from), to(to), cost(cost) {}
    explicit operator int() const {return to;}
};
int main() {
    int n, m;
    cin >> n >> m;
    vector<edge<int>> v;
    for (int i = 0; i < m; ++i) {
        int a, b, c;
        cin >> a >> b >> c;
        v.emplace_back(a, b, c);
    }
    vector<int> dp(1<<n, 0);
    for (int i = 0; i < (1<<n); ++i) {
        for (int j = 0; j < n; ++j) {
            if(i & (1<<j)){
                int s = dp[i^(1<<j)];
                for (int k = 0; k < m; ++k) {
                    if(v[k].to == j && i & (1<<v[k].from)){
                        s += v[k].cost;
                    }
                }
                dp[i] = max(dp[i], s);
            }
        }
    }
    cout << dp[(1<<n)-1] << "\n";
    return 0;
}
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