結果
| 問題 | No.1782 ManyCoins | 
| コンテスト | |
| ユーザー |  | 
| 提出日時 | 2021-12-07 01:05:25 | 
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) | 
| 結果 | 
                                AC
                                 
                             | 
| 実行時間 | 111 ms / 2,000 ms | 
| コード長 | 2,762 bytes | 
| コンパイル時間 | 2,037 ms | 
| コンパイル使用メモリ | 206,612 KB | 
| 最終ジャッジ日時 | 2025-01-26 06:17:24 | 
| ジャッジサーバーID (参考情報) | judge2 / judge1 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | AC * 48 | 
ソースコード
// いけ!おれの信じたコード
#include <bits/stdc++.h>
using namespace std;
// template {{{
using i32 = int;
using u32 = unsigned int;
using i64 = long long;
using u64 = unsigned long long;
#define  range(i, l, r) for (i64 i = (i64)(l); i < (i64)(r); (i) += 1)
#define rrange(i, l, r) for (i64 i = (i64)(r) - 1; i >= (i64)(l); (i) -= 1)
#define  whole(f, x, ...) ([&](decltype((x)) container) { return (f)(  begin(container),  end(container), ## __VA_ARGS__); })(x)
#define rwhole(f, x, ...) ([&](decltype((x)) container) { return (f)( rbegin(container), rend(container), ## __VA_ARGS__); })(x)
#define debug(x) cerr << "(" << __LINE__ << ")" << #x << ": " << (x) << endl
constexpr i32 inf   = 1001001001;
constexpr i64 infll = 1001001001001001001ll;
constexpr i32 dx[] = {0, -1, 1, 0, -1, 1, -1, 1}; 
constexpr i32 dy[] = {-1, 0, 0, 1, -1, -1, 1, 1};
struct IoSetup { IoSetup(i32 x = 15){ cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(x); cerr << fixed << setprecision(x); } } iosetup;
template <typename T = i64> T input() { T x; cin >> x; return x; }
template <typename T> ostream &operator<<(ostream &os, vector<T> &v) { range(i, 0, v.size()) { os << v[i] << (i + 1 != (int)v.size() ? " " : ""); } return os; } 
template <typename T> istream &operator>>(istream &is, vector<T> &v) { for (T &in : v) is >> in; return is; }
template <typename T1, typename T2> ostream &operator<<(ostream &os, pair<T1, T2> p) { os << "(" << p.first << ", " << p.second << ")"; return os; }
template <typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; }
template <typename T> vector<T> make_vector(size_t a, T b) { return vector<T>(a, b); }
template <typename... Ts> auto make_vector(size_t a, Ts... ts) { return vector<decltype(make_vector(ts...))>(a, make_vector(ts...)); }
template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }
// }}}
void solve() {
  int n = input();
  i64 l = input();
  vector< int > ws(n);
  cin >> ws;
  whole(sort, ws);
  auto dp = make_vector(ws[0], infll);
  dp[0] = 0;
  priority_queue< pair<i64, int>, vector<pair<i64, int>>, greater<pair<i64, int>> > pq;
  pq.emplace(dp[0], 0);
  while (not pq.empty()) {
    auto [c, v] = pq.top();
    pq.pop();
    if (dp[v] != c) continue;
    
    for (const auto &w: ws) {
      int u = (v + w) % ws[0];
      if (chmin(dp[u], c + w)) {
        pq.emplace(dp[u], u);
      }
    }
  }
  i64 ans = -1;
  for (auto &d : dp) {
    if (d > l) continue;
    ans += (l - d) / ws[0] + 1;
  }
  cout << ans << endl;
}
signed main() {
  solve();
}
            
            
            
        