結果

問題 No.184 たのしい排他的論理和(HARD)
ユーザー firiexpfiriexp
提出日時 2019-02-16 17:11:25
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 1,044 bytes
コンパイル時間 777 ms
コンパイル使用メモリ 76,088 KB
最終ジャッジ日時 2024-11-14 21:15:06
合計ジャッジ時間 1,942 ms
ジャッジサーバーID
(参考情報)
judge3 / 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: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;

int gauss_jordan(vector<ll> a){
    int n = a.size(), m = 64;
    int cnt = 0;
    for (int i = 0; i < m && cnt != n; ++i) {
        int p = cnt;
        for (int j = cnt; j < n; ++j) {
            if(a[j] & (1LL << i)){
              p = j;
              break;
            }
        }
        if((a[p] & (1LL << i)) == 0) continue;
        swap(a[cnt], a[p]);
        for (int j = 0; j < n; ++j) {
            if(cnt == j) continue;
            if(a[j] & (1LL << i)) a[j] ^= a[cnt];
        }
        cnt++;
    }
    return cnt;
}

int main() {
    int n;
    cin >> n;
    vector<ll> v(n);
    for (auto &&i : v) scanf("%lld", &i);
    cout << (1LL << (gauss_jordan(v))) << "\n";
    return 0;
}
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