結果

問題 No.497 入れ子の箱
ユーザー kimiyuki
提出日時 2017-03-27 17:02:16
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 1,344 bytes
コンパイル時間 399 ms
コンパイル使用メモリ 48,972 KB
最終ジャッジ日時 2024-11-14 19:59:52
合計ジャッジ時間 1,274 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge3
このコードへのチャレンジ
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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: In function 'int main()':
main.cpp:14:23: error: variable 'std::array<int, 3> a' has initializer but incomplete type
   14 |         array<int, 3> a = {{ x[i], y[i], z[i] }};
      |                       ^
main.cpp: In lambda function:
main.cpp:6:68: error: no matching function for call to 'begin(int&)'
    6 | #define whole(f,x,...) ([&](decltype((x)) whole) { return (f)(begin(whole), end(whole), ## __VA_ARGS__); })(x)
      |                                                               ~~~~~^~~~~~~
main.cpp:15:9: note: in expansion of macro 'whole'
   15 |         whole(sort, a);
      |         ^~~~~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_vector.h:63,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/vector:64,
                 from main.cpp:2:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/initializer_list:90:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::begin(initializer_list<_Tp>)'
   90 |     begin(initializer_list<_Tp> __ils) noexcept
      |     ^~~~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/initializer_list:90:5: note:   template argument deduction/substitution failed:
main.cpp:6:68: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
    6 | #define whole(f,x,...) ([&](decltype((x)) whole) { return (f)(begin(whole), end(whole), ## __VA_ARGS__); })(x)
      |                                                               ~~~~~^~~~~~~
main.cpp:15:9: note: in expansion of macro 'whole'
   15 |         whole(sort, a);
      |         ^~~~~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/vector:67:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/range_access.h:52:5: note: candidate: 'template<class _Container> decltype (__cont.begin()) std::begin(_Container&)'
   52 |     begin(_Container& __cont) -> decltype(__cont.begin())
      |

ソースコード

diff #
プレゼンテーションモードにする

#include <cstdio>
#include <vector>
#include <algorithm>
#include <functional>
#define repeat(i,n) for (int i = 0; (i) < int(n); ++(i))
#define whole(f,x,...) ([&](decltype((x)) whole) { return (f)(begin(whole), end(whole), ## __VA_ARGS__); })(x)
using namespace std;
int main() {
    int n; scanf("%d", &n);
    vector<int> x(n), y(n), z(n); repeat (i,n) scanf("%d%d%d", &x[i], &y[i], &z[i]);
    vector<vector<int> > g(n);
    vector<int> indegree(n);
    repeat (i,n) {
        array<int, 3> a = {{ x[i], y[i], z[i] }};
        whole(sort, a);
        repeat (j,n) {
            bool found = false;
            do {
                if (a[0] < x[j] and a[1] < y[j] and a[2] < z[j]) {
                    found = true;
                }
            } while (whole(next_permutation, a));
            if (found) {
                g[j].push_back(i);
                indegree[i] += 1;
            }
        }
    }
    vector<int> depth(n, -1);
    function<void (int, int)> dfs = [&](int i, int cur_depth) {
        if (depth[i] < cur_depth) {
            depth[i] = cur_depth;
            for (int j : g[i]) {
                dfs(j, cur_depth + 1);
            }
        }
    };
    repeat (i,n) if (indegree[i] == 0) {
        dfs(i, 0);
    }
    int max_depth = *whole(max_element, depth);
    printf("%d\n", max_depth + 1);
    return 0;
}
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