#500477 (C++17) No.1083 余りの余り

• 問題: No.1083 余りの余り
• ユーザー: k10c
• 提出日時: 2020-06-20 17:15:02
• 言語: C++17 (gcc 13.3.0 + boost 1.87.0)
• 結果: WA
• 実行時間: -
• コード長: 2,839 bytes
• コンパイル時間: 2,430 ms
• コンパイル使用メモリ: 198,168 KB
• 最終ジャッジ日時: 2025-01-11 08:45:27
• ジャッジサーバーID （参考情報）: judge4 / judge4

ファイルパターン	結果
sample	AC * 3
other	AC * 25 WA * 6

ソースコード

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#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i=0, i##_len=(n); i<i##_len; ++i)
#define reps(i, n) for(int i=1, i##_len=(n); i<=i##_len; ++i)
#define rrep(i, n) for(int i=((int)(n)-1); i>=0; --i)
#define rreps(i, n) for(int i=((int)(n)); i>0; --i)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define sz(x) ((int)(x).size())
#define pl(s) cout << (s) << "\n";
#define pls(...) {bool space = false; for(auto i : __VA_ARGS__) (cout << (space?" ":"") << i), space = true; cout << "\n";}
#define plexit(s) {cout << (s) << "\n"; exit(0);}
#define yes(s) cout << ((s)?"Yes":"No") << "\n";
#define pb push_back
#define pcnt __builtin_popcountll
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
#ifdef __LOCAL
#include <dump.hpp>
#define dump(...)                                                            \
  DUMPOUT << "  " << string(#__VA_ARGS__) << ": "                            \
          << "[" << to_string(__LINE__) << ":" << __FUNCTION__ << "]"        \
          << endl                                                            \
          << "    ",                                                         \
      dump_func(__VA_ARGS__)
#else
#define dump(...)
#endif
struct IOInit {
  static constexpr int IOS_PREC = 15;
  static constexpr bool AUTOFLUSH = false;
  IOInit() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(IOS_PREC);
    dump(IOS_PREC);
    if(AUTOFLUSH) cout << unitbuf;
  }
} IO_INIT;
using i64 = std::int_fast64_t;
using i128 = __int128_t;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = std::pair<int, int>;
using pll = std::pair<ll, ll>;
using vi = std::vector<int>;
using vvi = std::vector<vector<int>>;
using vl = std::vector<ll>;
using vp = std::vector<pii>;
constexpr int INFINT = (1 << 30) - 1;                    // 1.07x10^ 9
constexpr int INFINT_LIM = (1LL << 31) - 1;              // 2.15x10^ 9
constexpr ll INFLL = 1LL << 60;                          // 1.15x10^18
constexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62);  // 9.22x10^18
constexpr ld eps = 1e-6;
constexpr ll MOD = 1000000007;
constexpr ld PI = 3.141592653589793238462643383279;
constexpr int dx4[4] = {1, 0, -1, 0};
constexpr int dy4[4] = {0, 1, 0, -1};
constexpr int dx8[8] = {1, 0, -1, 0, 1, -1, -1, 1};
constexpr int dy8[8] = {0, 1, 0, -1, 1, 1, -1, -1};
signed main(void) {
  int N, K; cin >> N >> K;
  vi a(N); rep(i,N) cin >> a[i];
  sort(all(a));
  int ans = 0;
  for(int bit=1; bit<(1<<N); ++bit) {
    int x = K;
    rep(i,N) {
      if ((bit>>i)&1) x %= a[i];
    }
    x %= a[0];
    chmax(ans,x);
  }
  pl(ans);
  return 0;
}
 
 
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