結果

問題 No.1825 Except One
ユーザー rniyarniya
提出日時 2022-01-28 21:41:06
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 395 ms / 3,000 ms
コード長 6,321 bytes
コンパイル時間 2,067 ms
コンパイル使用メモリ 202,860 KB
実行使用メモリ 24,812 KB
最終ジャッジ日時 2023-08-30 11:04:36
合計ジャッジ時間 5,590 ms
ジャッジサーバーID
(参考情報)
judge12 / judge13
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 3 ms
9,604 KB
testcase_01 AC 3 ms
9,600 KB
testcase_02 AC 3 ms
7,536 KB
testcase_03 AC 236 ms
24,812 KB
testcase_04 AC 46 ms
11,776 KB
testcase_05 AC 11 ms
9,532 KB
testcase_06 AC 3 ms
9,752 KB
testcase_07 AC 204 ms
23,552 KB
testcase_08 AC 212 ms
21,908 KB
testcase_09 AC 4 ms
9,776 KB
testcase_10 AC 129 ms
16,820 KB
testcase_11 AC 19 ms
10,736 KB
testcase_12 AC 58 ms
14,200 KB
testcase_13 AC 23 ms
11,648 KB
testcase_14 AC 3 ms
9,516 KB
testcase_15 AC 3 ms
9,844 KB
testcase_16 AC 3 ms
9,652 KB
testcase_17 AC 3 ms
9,592 KB
testcase_18 AC 3 ms
9,596 KB
testcase_19 AC 3 ms
7,552 KB
testcase_20 AC 3 ms
9,720 KB
testcase_21 AC 3 ms
9,608 KB
testcase_22 AC 3 ms
9,700 KB
testcase_23 AC 3 ms
9,696 KB
testcase_24 AC 18 ms
9,792 KB
testcase_25 AC 15 ms
10,460 KB
testcase_26 AC 4 ms
9,964 KB
testcase_27 AC 123 ms
15,508 KB
testcase_28 AC 337 ms
17,300 KB
testcase_29 AC 4 ms
9,940 KB
testcase_30 AC 4 ms
9,964 KB
testcase_31 AC 10 ms
9,272 KB
testcase_32 AC 251 ms
22,788 KB
testcase_33 AC 4 ms
10,044 KB
testcase_34 AC 395 ms
17,240 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 (size_t i = 0; i < v.size(); i++) {
        os << v[i] << (i + 1 == 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> 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 (size_t i = 0; i < v.size(); i++) {
        os << v[i] << (i + 1 == v.size() ? "" : " ");
    }
    return os;
}
template <typename T, size_t N> ostream& operator<<(ostream& os, const array<T, N>& v) {
    for (size_t i = 0; i < N; i++) {
        os << v[i] << (i + 1 == N ? "" : " ");
    }
    return os;
}

template <int i, typename T> void print_tuple(ostream&, const T&) {}
template <int i, typename T, typename H, class... Args> void print_tuple(ostream& os, const T& t) {
    if (i) os << ',';
    os << get<i>(t);
    print_tuple<i + 1, T, Args...>(os, t);
}
template <typename... Args> ostream& operator<<(ostream& os, const tuple<Args...>& t) {
    os << '{';
    print_tuple<0, tuple<Args...>, Args...>(os, t);
    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(...) void(0)
#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; }

int topbit(signed t) { return t == 0 ? -1 : 31 - __builtin_clz(t); }
int topbit(long long t) { return t == 0 ? -1 : 63 - __builtin_clzll(t); }
int botbit(signed a) { return a == 0 ? 32 : __builtin_ctz(a); }
int botbit(long long a) { return a == 0 ? 64 : __builtin_ctzll(a); }
int popcount(signed t) { return __builtin_popcount(t); }
int popcount(long long t) { return __builtin_popcountll(t); }
bool ispow2(int i) { return i && (i & -i) == i; }
long long MSK(int n) { return (1LL << n) - 1; }

template <class T> T ceil(T x, T y) {
    assert(y >= 1);
    return (x > 0 ? (x + y - 1) / y : x / y);
}
template <class T> T floor(T x, T y) {
    assert(y >= 1);
    return (x > 0 ? x / y : (x - y + 1) / 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;
}

template <typename T> void mkuni(vector<T>& v) {
    sort(v.begin(), v.end());
    v.erase(unique(v.begin(), v.end()), v.end());
}
template <typename T> int lwb(const vector<T>& v, const T& x) { return lower_bound(v.begin(), v.end(), x) - v.begin(); }
#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 = 52, MAX_A = 102;
ll dp[2][MAX_N][MAX_N][MAX_N * MAX_A];

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

    dp[0][0][N][0] = 1;
    int sum = 0;
    for (int i = 0; i < N; sum += A[i++]) {
        int cur = i & 1, nxt = cur ^ 1;
        for (int j = 0; j < N; j++) {
            for (int k = 0; k <= N; k++) {
                for (int l = 0; l <= sum; l++) {
                    ll& val = dp[cur][j][k][l];
                    if (val == 0) continue;
                    dp[nxt][j][k][l] += val;
                    dp[nxt][j + 1][(k == N or A[k] < A[i] ? i : k)][l + A[i]] += val;
                    val = 0;
                }
            }
        }
    }

    ll ans = 0;
    for (int j = 2; j <= N; j++) {
        for (int k = 0; k < N; k++) {
            for (int l = 0; l <= sum; l++) {
                ll val = dp[N & 1][j][k][l];
                if (val == 0) continue;
                if (l % (j - 1) != 0) continue;
                int ave = l / (j - 1);
                if (A[k] <= ave) ans += dp[N & 1][j][k][l];
            }
        }
    }

    cout << ans << '\n';
    return 0;
}
0