結果

問題 No.488 四角関係
ユーザー firiexpfiriexp
提出日時 2019-01-15 21:57:53
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 1,472 bytes
コンパイル時間 633 ms
コンパイル使用メモリ 77,036 KB
最終ジャッジ日時 2024-11-14 20:45:22
合計ジャッジ時間 1,123 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
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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:17:21: error: '::numeric_limits' has not been declared
   17 | constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;
      |                     ^~~~~~~~~~~~~~
main.cpp:17:37: error: expected primary-expression before '>' token
   17 | constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;
      |                                     ^
main.cpp:17:43: error: no matching function for call to 'max()'
   17 | 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:17:43: note:   candidate expects 2 arguments, 0 provided
   17 | 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: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp&

ソースコード

diff #

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

static const int MOD = 1000000007;
using ll = long long;
using u32 = unsigned;
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...)); }


int main() {
    int n, m;
    cin >> n >> m;
    auto v = make_v(n, n, 0);
    for (int i = 0; i < m; ++i) {
        int a, b;
        cin >> a >> b;
        v[a][b] = v[b][a] = 1;
    }
    if(3 >= n){
        puts("0");
        return 0;
    }
    int ans = 0;
    for (int i = 0; i < n; ++i) {
        for (int j = i+1; j < n; ++j) {
            for (int k = j+1; k < n; ++k) {
                for (int l = k+1; l < n; ++l) {
                    int a = v[i][j] + v[i][k] + v[i][l],
                    b = v[j][i] + v[j][k] + v[j][l],
                    c = v[k][i] + v[k][j] + v[k][l],
                    d = v[l][i] + v[l][j] + v[l][k];
                    if(a == 2 && b == 2 && c == 2 && d == 2){
                        ans++;
                    }
                }
            }
        }
    }
    cout << ans << "\n";
    return 0;
}
0