結果
問題 | No.1606 Stuffed Animals Keeper |
ユーザー | stoq |
提出日時 | 2021-08-03 05:58:01 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 70 ms / 3,000 ms |
コード長 | 3,638 bytes |
コンパイル時間 | 3,619 ms |
コンパイル使用メモリ | 210,704 KB |
実行使用メモリ | 101,632 KB |
最終ジャッジ日時 | 2024-09-16 14:53:30 |
合計ジャッジ時間 | 6,293 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 47 ms
101,504 KB |
testcase_01 | AC | 47 ms
101,376 KB |
testcase_02 | AC | 47 ms
101,376 KB |
testcase_03 | AC | 53 ms
101,504 KB |
testcase_04 | AC | 64 ms
101,632 KB |
testcase_05 | AC | 66 ms
101,504 KB |
testcase_06 | AC | 68 ms
101,376 KB |
testcase_07 | AC | 70 ms
101,504 KB |
testcase_08 | AC | 70 ms
101,632 KB |
testcase_09 | AC | 68 ms
101,504 KB |
testcase_10 | AC | 66 ms
101,376 KB |
testcase_11 | AC | 67 ms
101,376 KB |
testcase_12 | AC | 69 ms
101,504 KB |
testcase_13 | AC | 66 ms
101,376 KB |
testcase_14 | AC | 58 ms
101,504 KB |
testcase_15 | AC | 49 ms
101,452 KB |
testcase_16 | AC | 57 ms
101,532 KB |
testcase_17 | AC | 55 ms
101,504 KB |
testcase_18 | AC | 50 ms
101,632 KB |
testcase_19 | AC | 50 ms
101,504 KB |
testcase_20 | AC | 49 ms
101,556 KB |
testcase_21 | AC | 42 ms
101,376 KB |
testcase_22 | AC | 45 ms
101,376 KB |
testcase_23 | AC | 43 ms
101,376 KB |
testcase_24 | AC | 43 ms
101,376 KB |
testcase_25 | AC | 43 ms
101,388 KB |
testcase_26 | AC | 42 ms
101,376 KB |
testcase_27 | AC | 41 ms
101,376 KB |
testcase_28 | AC | 41 ms
101,504 KB |
testcase_29 | AC | 42 ms
101,392 KB |
testcase_30 | AC | 41 ms
101,428 KB |
testcase_31 | AC | 41 ms
101,368 KB |
testcase_32 | AC | 40 ms
101,376 KB |
testcase_33 | AC | 42 ms
101,392 KB |
testcase_34 | AC | 42 ms
101,376 KB |
testcase_35 | AC | 41 ms
101,376 KB |
testcase_36 | AC | 42 ms
101,504 KB |
testcase_37 | AC | 42 ms
101,376 KB |
testcase_38 | AC | 43 ms
101,376 KB |
testcase_39 | AC | 42 ms
101,420 KB |
testcase_40 | AC | 42 ms
101,376 KB |
testcase_41 | AC | 42 ms
101,376 KB |
testcase_42 | AC | 41 ms
101,504 KB |
testcase_43 | AC | 55 ms
101,580 KB |
testcase_44 | AC | 53 ms
101,504 KB |
testcase_45 | AC | 53 ms
101,504 KB |
testcase_46 | AC | 53 ms
101,504 KB |
testcase_47 | AC | 55 ms
101,476 KB |
testcase_48 | AC | 40 ms
101,376 KB |
testcase_49 | AC | 41 ms
101,504 KB |
testcase_50 | AC | 41 ms
101,376 KB |
ソースコード
#define MOD_TYPE 2 #pragma region Macros #include <bits/stdc++.h> using namespace std; #if 1 #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #endif #if 0 #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/tag_and_trait.hpp> #include <ext/rope> using namespace __gnu_pbds; using namespace __gnu_cxx; template <typename T> using extset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #endif #if 0 #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using Int = boost::multiprecision::cpp_int; using lld = boost::multiprecision::cpp_dec_float_100; #endif using ll = long long int; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; using pld = pair<ld, ld>; template <typename T> using smaller_queue = priority_queue<T, vector<T>, greater<T>>; constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353); constexpr int INF = (int)1e9 + 10; constexpr ll LINF = (ll)4e18; constexpr ld PI = acos(-1.0); constexpr ld EPS = 1e-7; constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0}; constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0}; #define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i) #define rep(i, n) REP(i, 0, n) #define REPI(i, m, n) for (int i = m; i < (int)(n); ++i) #define repi(i, n) REPI(i, 0, n) #define MP make_pair #define MT make_tuple #define YES(n) cout << ((n) ? "YES" : "NO") << "\n" #define Yes(n) cout << ((n) ? "Yes" : "No") << "\n" #define possible(n) cout << ((n) ? "possible" : "impossible") << "\n" #define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n" #define all(v) v.begin(), v.end() #define NP(v) next_permutation(all(v)) #define dbg(x) cerr << #x << ":" << x << "\n"; struct io_init { io_init() { cin.tie(0); ios::sync_with_stdio(false); cout << setprecision(30) << setiosflags(ios::fixed); }; } io_init; template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } inline ll CEIL(ll a, ll b) { return (a + b - 1) / b; } template <typename A, size_t N, typename T> inline void Fill(A (&array)[N], const T &val) { fill((T *)array, (T *)(array + N), val); } template <typename T, typename U> constexpr istream &operator>>(istream &is, pair<T, U> &p) noexcept { is >> p.first >> p.second; return is; } template <typename T, typename U> constexpr ostream &operator<<(ostream &os, pair<T, U> &p) noexcept { os << p.first << " " << p.second; return os; } #pragma endregion random_device seed_gen; mt19937_64 engine(seed_gen()); // -------------------------------------- int dp[5010][5010]; void solve() { int n; cin >> n; int sum0 = 0; vector<int> a(n); rep(i, n) cin >> a[i]; vector<pii> v; int len = 0, zero = 0; rep(i, n) { if (a[i] == 0) sum0++; if (a[i] == 2) { if (len == 0) continue; v.push_back({len, zero}); len = zero = 0; } else { len++; if (a[i] == 0) zero++; } } if (len > 0) v.push_back({len, zero}); int m = v.size(); Fill(dp, INF); dp[0][0] = 0; rep(i, m) { auto [l, z] = v[i]; rep(j, n + 1) { // 0 で埋める chmin(dp[i + 1][j + l], dp[i][j] + l - z); // 1 で埋める chmin(dp[i + 1][j], dp[i][j] + z); } } int ans = dp[m][sum0]; cout << (ans == INF ? -1 : ans / 2) << "\n"; } int main() { solve(); }