結果

問題 No.1522 Unfairness
ユーザー rniyarniya
提出日時 2021-05-28 20:55:20
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
(最新)
AC  
(最初)
実行時間 -
コード長 5,133 bytes
コンパイル時間 2,409 ms
コンパイル使用メモリ 208,280 KB
実行使用メモリ 109,312 KB
最終ジャッジ日時 2024-10-07 13:54:09
合計ジャッジ時間 4,943 ms
ジャッジサーバーID
(参考情報)
judge2 / 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
6,816 KB
testcase_01 AC 2 ms
6,816 KB
testcase_02 AC 2 ms
6,820 KB
testcase_03 AC 34 ms
37,552 KB
testcase_04 AC 14 ms
30,080 KB
testcase_05 AC 12 ms
38,716 KB
testcase_06 AC 13 ms
41,656 KB
testcase_07 AC 49 ms
45,076 KB
testcase_08 AC 68 ms
53,632 KB
testcase_09 AC 7 ms
8,576 KB
testcase_10 AC 26 ms
22,656 KB
testcase_11 AC 12 ms
11,392 KB
testcase_12 AC 29 ms
24,448 KB
testcase_13 AC 81 ms
68,736 KB
testcase_14 AC 10 ms
9,472 KB
testcase_15 AC 135 ms
109,312 KB
testcase_16 AC 136 ms
109,184 KB
testcase_17 AC 136 ms
109,184 KB
testcase_18 AC 137 ms
109,184 KB
testcase_19 AC 138 ms
109,184 KB
testcase_20 AC 131 ms
109,184 KB
testcase_21 AC 2 ms
5,248 KB
testcase_22 AC 2 ms
5,248 KB
testcase_23 AC 2 ms
5,248 KB
testcase_24 AC 3 ms
5,248 KB
testcase_25 AC 2 ms
5,248 KB
testcase_26 AC 3 ms
5,248 KB
testcase_27 AC 2 ms
5,248 KB
testcase_28 WA -
testcase_29 AC 3 ms
5,248 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 = 2e9;
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 = 3010;
int dp[MAX_N][MAX_N][3];

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

    sort(A.rbegin(), A.rend());
    for (int i = 0; i <= N; i++) {
        for (int j = 0; j <= M; j++) {
            for (int k = 0; k < 2; k++) {
                dp[i][j][k] = -INF;
            }
        }
    }
    dp[0][0][2] = 0;
    for (int i = 0; i < N; i++) {
        for (int j = 0; j <= M; j++) {
            for (int k = 0; k < 3; k++) {
                if (dp[i][j][k] < 0) continue;
                int val = dp[i][j][k];
                if (k == 2) {
                    chmax(dp[i + 1][j][k], val);
                    chmax(dp[i + 1][j][0], val + A[i]);
                    continue;
                }
                int nj = j + (!k ? A[i - 1] - A[i] : 0);
                if (nj > M) continue;
                chmax(dp[i + 1][nj][k], val);
                chmax(dp[i + 1][nj][k ^ 1], val + (k ? A[i] : 0));
            }
        }
    }

    int ans = -INF;
    for (int j = 0; j <= M; j++) chmax(ans, dp[N][j][1]);
    cout << ans << '\n';
    return 0;
}
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