結果

問題 No.1825 Except One
ユーザー KudeKude
提出日時 2022-01-28 23:17:29
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 20 ms / 3,000 ms
コード長 1,180 bytes
コンパイル時間 2,582 ms
コンパイル使用メモリ 229,832 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-06-09 16:48:23
合計ジャッジ時間 3,661 ms
ジャッジサーバーID
(参考情報)
judge1 / judge2
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
6,816 KB
testcase_01 AC 2 ms
6,940 KB
testcase_02 AC 2 ms
6,944 KB
testcase_03 AC 20 ms
6,940 KB
testcase_04 AC 9 ms
6,944 KB
testcase_05 AC 5 ms
6,944 KB
testcase_06 AC 3 ms
6,944 KB
testcase_07 AC 18 ms
6,944 KB
testcase_08 AC 18 ms
6,940 KB
testcase_09 AC 3 ms
6,944 KB
testcase_10 AC 14 ms
6,940 KB
testcase_11 AC 6 ms
6,940 KB
testcase_12 AC 10 ms
6,940 KB
testcase_13 AC 7 ms
6,940 KB
testcase_14 AC 2 ms
6,944 KB
testcase_15 AC 2 ms
6,940 KB
testcase_16 AC 2 ms
6,940 KB
testcase_17 AC 2 ms
6,940 KB
testcase_18 AC 2 ms
6,940 KB
testcase_19 AC 2 ms
6,940 KB
testcase_20 AC 2 ms
6,940 KB
testcase_21 AC 2 ms
6,944 KB
testcase_22 AC 2 ms
6,940 KB
testcase_23 AC 2 ms
6,944 KB
testcase_24 AC 6 ms
6,944 KB
testcase_25 AC 7 ms
6,940 KB
testcase_26 AC 3 ms
6,940 KB
testcase_27 AC 15 ms
6,940 KB
testcase_28 AC 17 ms
6,940 KB
testcase_29 AC 3 ms
6,940 KB
testcase_30 AC 2 ms
6,944 KB
testcase_31 AC 4 ms
6,940 KB
testcase_32 AC 19 ms
6,940 KB
testcase_33 AC 3 ms
6,940 KB
testcase_34 AC 17 ms
6,944 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/istream:39,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/sstream:38,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/complex:45,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ccomplex:39,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/x86_64-pc-linux-gnu/bits/stdc++.h:54,
                 from main.cpp:1:
In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]',
    inlined from 'int main()' at main.cpp:47:11:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:202:25: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized]
  202 |       { return _M_insert(__n); }
      |                ~~~~~~~~~^~~~~
main.cpp: In function 'int main()':
main.cpp:34:8: note: 'ans' was declared here
   34 |   mint ans;
      |        ^~~

ソースコード

diff #

#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic pop
using namespace std;
using namespace atcoder;
#define rep(i,n)for (int i = 0; i < int(n); ++i)
#define rrep(i,n)for (int i = int(n)-1; i >= 0; --i)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
template<class T> void chmax(T& a, const T& b) { a = max(a, b); }
template<class T> void chmin(T& a, const T& b) { a = min(a, b); }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;
using mint = ll;

mint dp[51][5001];

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  dp[0][0] = 1;
  int n;
  cin >> n;
  VI a(n);
  rep(i, n) cin >> a[i];
  sort(all(a));
  mint ans;
  for (int x: a) {
    rrep(k, n) rrep(s, 5001) if (dp[k][s] != mint()) {
      int nk = k + 1, ns = s + x;
      if (nk > 1) {
        if (ns % (nk - 1) == 0) {
          int t = ns / (nk - 1);
          if (x <= t) ans += dp[k][s];
        }
      }
      dp[nk][ns] += dp[k][s];
    }
  }
  cout << ans << endl;
}
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