結果

問題 No.1606 Stuffed Animals Keeper
ユーザー rniyarniya
提出日時 2021-07-16 21:51:02
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 172 ms / 3,000 ms
コード長 4,871 bytes
コンパイル時間 1,885 ms
コンパイル使用メモリ 208,216 KB
実行使用メモリ 199,168 KB
最終ジャッジ日時 2024-07-06 08:54:30
合計ジャッジ時間 4,680 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge1
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
5,248 KB
testcase_01 AC 2 ms
5,376 KB
testcase_02 AC 1 ms
5,376 KB
testcase_03 AC 48 ms
54,272 KB
testcase_04 AC 52 ms
61,184 KB
testcase_05 AC 21 ms
27,904 KB
testcase_06 AC 28 ms
35,840 KB
testcase_07 AC 40 ms
48,128 KB
testcase_08 AC 40 ms
49,152 KB
testcase_09 AC 24 ms
31,872 KB
testcase_10 AC 19 ms
25,984 KB
testcase_11 AC 13 ms
18,048 KB
testcase_12 AC 26 ms
35,072 KB
testcase_13 AC 2 ms
5,376 KB
testcase_14 AC 2 ms
5,376 KB
testcase_15 AC 172 ms
199,168 KB
testcase_16 AC 62 ms
69,248 KB
testcase_17 AC 60 ms
70,144 KB
testcase_18 AC 63 ms
69,504 KB
testcase_19 AC 59 ms
69,248 KB
testcase_20 AC 61 ms
69,632 KB
testcase_21 AC 8 ms
10,112 KB
testcase_22 AC 7 ms
9,216 KB
testcase_23 AC 6 ms
9,216 KB
testcase_24 AC 7 ms
9,856 KB
testcase_25 AC 7 ms
9,344 KB
testcase_26 AC 3 ms
5,376 KB
testcase_27 AC 3 ms
5,376 KB
testcase_28 AC 4 ms
5,376 KB
testcase_29 AC 4 ms
5,504 KB
testcase_30 AC 3 ms
5,376 KB
testcase_31 AC 3 ms
5,376 KB
testcase_32 AC 2 ms
5,376 KB
testcase_33 AC 3 ms
5,376 KB
testcase_34 AC 2 ms
5,376 KB
testcase_35 AC 2 ms
5,376 KB
testcase_36 AC 3 ms
5,376 KB
testcase_37 AC 3 ms
5,376 KB
testcase_38 AC 3 ms
5,376 KB
testcase_39 AC 2 ms
5,376 KB
testcase_40 AC 2 ms
5,376 KB
testcase_41 AC 2 ms
5,376 KB
testcase_42 AC 2 ms
5,376 KB
testcase_43 AC 61 ms
68,736 KB
testcase_44 AC 58 ms
68,736 KB
testcase_45 AC 57 ms
68,736 KB
testcase_46 AC 58 ms
68,736 KB
testcase_47 AC 57 ms
68,736 KB
testcase_48 AC 2 ms
5,376 KB
testcase_49 AC 2 ms
5,376 KB
testcase_50 AC 1 ms
5,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

#define LOCAL
#include <bits/stdc++.h>
using namespace std;
#pragma region Macros
typedef long long ll;
typedef __int128_t i128;
typedef unsigned int uint;
typedef unsigned long long ull;
#define ALL(x) (x).begin(), (x).end()

template <typename T> istream& operator>>(istream& is, vector<T>& v) {
    for (T& x : v) is >> x;
    return is;
}
template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
    for (int i = 0; i < (int)v.size(); i++) {
        os << v[i] << (i + 1 == (int)v.size() ? "" : " ");
    }
    return os;
}
template <typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p) {
    os << '(' << p.first << ',' << p.second << ')';
    return os;
}
template <typename T, typename U, typename V> ostream& operator<<(ostream& os, const tuple<T, U, V>& t) {
    os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ')';
    return os;
}
template <typename T, typename U, typename V, typename W> ostream& operator<<(ostream& os, const tuple<T, U, V, W>& t) {
    os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ',' << get<3>(t) << ')';
    return os;
}
template <typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& m) {
    os << '{';
    for (auto itr = m.begin(); itr != m.end();) {
        os << '(' << itr->first << ',' << itr->second << ')';
        if (++itr != m.end()) os << ',';
    }
    os << '}';
    return os;
}
template <typename T, typename U> ostream& operator<<(ostream& os, const unordered_map<T, U>& m) {
    os << '{';
    for (auto itr = m.begin(); itr != m.end();) {
        os << '(' << itr->first << ',' << itr->second << ')';
        if (++itr != m.end()) os << ',';
    }
    os << '}';
    return os;
}
template <typename T> ostream& operator<<(ostream& os, const set<T>& s) {
    os << '{';
    for (auto itr = s.begin(); itr != s.end();) {
        os << *itr;
        if (++itr != s.end()) os << ',';
    }
    os << '}';
    return os;
}
template <typename T> ostream& operator<<(ostream& os, const multiset<T>& s) {
    os << '{';
    for (auto itr = s.begin(); itr != s.end();) {
        os << *itr;
        if (++itr != s.end()) os << ',';
    }
    os << '}';
    return os;
}
template <typename T> ostream& operator<<(ostream& os, const unordered_set<T>& s) {
    os << '{';
    for (auto itr = s.begin(); itr != s.end();) {
        os << *itr;
        if (++itr != s.end()) os << ',';
    }
    os << '}';
    return os;
}
template <typename T> ostream& operator<<(ostream& os, const deque<T>& v) {
    for (int i = 0; i < (int)v.size(); i++) {
        os << v[i] << (i + 1 == (int)v.size() ? "" : " ");
    }
    return os;
}

void debug_out() { cerr << '\n'; }
template <class Head, class... Tail> void debug_out(Head&& head, Tail&&... tail) {
    cerr << head;
    if (sizeof...(Tail) > 0) cerr << ", ";
    debug_out(move(tail)...);
}
#ifdef LOCAL
#define debug(...)                                                                   \
    cerr << " ";                                                                     \
    cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n'; \
    cerr << " ";                                                                     \
    debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

template <typename T> T gcd(T x, T y) { return y != 0 ? gcd(y, x % y) : x; }
template <typename T> T lcm(T x, T y) { return x / gcd(x, y) * y; }

template <class T1, class T2> inline bool chmin(T1& a, T2 b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template <class T1, class T2> inline bool chmax(T1& a, T2 b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
#pragma endregion

const int INF = 1e9;
const long long IINF = 1e18;
const int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
const char dir[4] = {'D', 'R', 'U', 'L'};
const long long MOD = 1000000007;
// const long long MOD = 998244353;

const int MAX_N = 5010;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int N;
    cin >> N;
    vector<int> A(N);
    cin >> A;

    vector<pair<int, int>> v;
    for (int i = 0, j = 0, k = 0; i <= N; i++) {
        if (i == N || A[i] == 2) {
            v.emplace_back(j, k);
            j = k = 0;
        } else if (A[i] == 0)
            j++;
        else
            k++;
    }

    int n = v.size();
    vector<vector<int>> dp(n + 1, vector<int>(2 * MAX_N, INF));
    dp[0][MAX_N] = 0;
    for (int i = 0; i < n; i++) {
        int zero = v[i].first, one = v[i].second;
        for (int j = 0; j < 2 * MAX_N; j++) {
            if (dp[i][j] == INF) continue;
            chmin(dp[i + 1][j + zero], dp[i][j] + zero);
            chmin(dp[i + 1][j - one], dp[i][j]);
        }
    }

    int ans = dp[n][MAX_N];
    cout << (ans == INF ? -1 : ans) << '\n';
    return 0;
}
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