結果

問題 No.868 ハイパー部分和問題
ユーザー firiexpfiriexp
提出日時 2019-08-17 11:27:43
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 986 ms / 7,000 ms
コード長 3,710 bytes
コンパイル時間 1,021 ms
コンパイル使用メモリ 106,972 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-09-24 19:04:26
合計ジャッジ時間 16,152 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
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
6,812 KB
testcase_01 AC 2 ms
6,940 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 2 ms
6,940 KB
testcase_04 AC 2 ms
6,944 KB
testcase_05 AC 2 ms
6,940 KB
testcase_06 AC 1 ms
6,940 KB
testcase_07 AC 2 ms
6,944 KB
testcase_08 AC 2 ms
6,944 KB
testcase_09 AC 2 ms
6,940 KB
testcase_10 AC 2 ms
6,940 KB
testcase_11 AC 2 ms
6,944 KB
testcase_12 AC 2 ms
6,940 KB
testcase_13 AC 2 ms
6,944 KB
testcase_14 AC 669 ms
6,940 KB
testcase_15 AC 665 ms
6,940 KB
testcase_16 AC 665 ms
6,940 KB
testcase_17 AC 666 ms
6,944 KB
testcase_18 AC 665 ms
6,940 KB
testcase_19 AC 423 ms
6,940 KB
testcase_20 AC 426 ms
6,940 KB
testcase_21 AC 425 ms
6,940 KB
testcase_22 AC 424 ms
6,940 KB
testcase_23 AC 422 ms
6,944 KB
testcase_24 AC 425 ms
6,944 KB
testcase_25 AC 426 ms
6,940 KB
testcase_26 AC 424 ms
6,944 KB
testcase_27 AC 425 ms
6,944 KB
testcase_28 AC 424 ms
6,944 KB
testcase_29 AC 534 ms
6,940 KB
testcase_30 AC 535 ms
6,940 KB
testcase_31 AC 535 ms
6,944 KB
testcase_32 AC 671 ms
6,940 KB
testcase_33 AC 665 ms
6,944 KB
testcase_34 AC 986 ms
6,940 KB
testcase_35 AC 982 ms
6,940 KB
testcase_36 AC 686 ms
6,940 KB
testcase_37 AC 677 ms
6,940 KB
testcase_38 AC 2 ms
6,940 KB
testcase_39 AC 2 ms
6,940 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 #

#include <iostream>
#include <algorithm>
#include <iomanip>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
#include <cmath>
#include <chrono>

using ll = long long;
using u32 = uint32_t;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;

template <class T, class U>
vector<T> make_v(U size, const T& init){ return vector<T>(static_cast<size_t>(size), init); }

template<class... Ts, class U>
auto make_v(U size, Ts... rest) { return vector<decltype(make_v(rest...))>(static_cast<size_t>(size), make_v(rest...)); }

template<class T> void chmin(T &a, const T &b){ a = (a < b ? a : b); }
template<class T> void chmax(T &a, const T &b){ a = (a > b ? a : b); }


class xor_shift {
    uint32_t x, y, z, w;
public:
    xor_shift() : x(static_cast<uint32_t>((chrono::system_clock::now().time_since_epoch().count())&((1LL << 32)-1))),
    y(1068246329), z(321908594), w(1234567890) {};

    uint32_t urand(){
        uint32_t t;
        t = x ^ (x << 11);
        x = y; y = z; z = w;
        w = (w ^ (w >> 19)) ^ (t ^ (t >> 8));
        return w;
    };

    int rand(int n){
        if(n < 0) return -rand(-n);
        uint32_t t = numeric_limits<uint32_t>::max()/(n+1)*(n+1);
        uint32_t e = urand();
        while(e >= t) e = urand();
        return static_cast<int>(e%(n+1));
    }

    int rand(int a, int b){
        if(a > b) swap(a, b);
        return a+rand(b-a);
    }
};


const int M = xor_shift().rand(900000000, 1000000000);

struct modint{
    ll val;
    modint(): val(0){}
    template<typename T>
    explicit modint(T t){val = t%M; if(val < 0) val += M;}

    modint pow(ll k){
        modint res(1), x(val);
        while(k){
            if(k&1) res *= x;
            x *= x;
            k >>= 1;
        }
        return res;
    }
    template<typename T>
    modint& operator=(T a){ val = a%M; if(val < 0) val += M; return *this; }
    modint inv() {return pow(M-2);}
    modint& operator+=(modint a){ val += a.val; if(val >= M) val -= M; return *this;}
    modint& operator-=(modint a){ val += M-a.val; if(val >= M) val -= M; return *this;}
    modint& operator*=(modint a){ val = 1LL*val*a.val%M; return *this;}
    modint& operator/=(modint a){ return (*this) *= a.inv();}
    modint operator+(modint a) const {return modint(val) +=a;}
    modint operator-(modint a) const {return modint(val) -=a;}
    modint operator*(modint a) const {return modint(val) *=a;}
    modint operator/(modint a) const {return modint(val) /=a;}
    modint operator-(){ return modint(-val);}
    bool operator==(const modint a) const {return val == a.val;}
    bool operator!=(const modint a) const {return val != a.val;}
    bool operator<(const modint a) const {return val < a.val;}
};


using mint = modint;

int main() {
    int n, k;
    cin >> n >> k;
    vector<int> v(n);
    for (auto &&i : v) scanf("%d", &i);
    auto dp = make_v(2, k+1, mint(0));
    dp[0][0] = mint(1);
    for (int i = 1; i <= n; ++i) {
        int now = i&1, prv = now^1;
        for (int j = 0; j <= k; ++j) {
            dp[now][j] = dp[prv][j];
            if(j >= v[i-1]) dp[now][j] += dp[prv][j-v[i-1]];
        }
    }
    auto DP = dp[n%2];
    int q;
    cin >> q;
    for (int i = 0; i < q; ++i) {
        int x, u; scanf("%d %d", &x, &u);
        vector<mint> newdp(DP); x--;
        if(v[x]) {
            for (int j = v[x]; j <= k; ++j) {
                newdp[j] -= newdp[j-v[x]];
            }
        }
        for (int j = 0; j <= k; ++j) {
            DP[j] = newdp[j];
            if(j >= u) DP[j] += newdp[j-u];
        }
        v[x] = u;
        printf("%d\n", DP[k] != mint(0));
    }

    return 0;
}
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