結果
問題 | No.868 ハイパー部分和問題 |
ユーザー |
|
提出日時 | 2019-08-20 18:48:00 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,917 bytes |
コンパイル時間 | 1,659 ms |
コンパイル使用メモリ | 170,780 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-06 12:45:54 |
合計ジャッジ時間 | 10,421 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 WA * 1 |
other | AC * 19 WA * 19 |
ソースコード
#define _USE_MATH_DEFINES #include "bits/stdc++.h" using namespace std; #define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i)) #define rep(i,j) FOR(i,0,j) #define each(x,y) for(auto &(x):(y)) #define mp make_pair #define MT make_tuple #define all(x) (x).begin(),(x).end() #define debug(x) cout<<#x<<": "<<(x)<<endl #define smax(x,y) (x)=max((x),(y)) #define smin(x,y) (x)=min((x),(y)) #define MEM(x,y) memset((x),(y),sizeof (x)) #define sz(x) (int)(x).size() #define RT return using ll = long long; using pii = pair<int, int>; using vi = vector<int>; using vll = vector<ll>; template<int MOD> class ModInt { public: ModInt() :value(0) {} ModInt(long long val) :value((int)(val<0 ? MOD + val % MOD : val % MOD)) { } ModInt& operator+=(ModInt that) { value = value + that.value; if (value >= MOD)value -= MOD; return *this; } ModInt& operator-=(ModInt that) { value -= that.value; if (value<0)value += MOD; return *this; } ModInt& operator*=(ModInt that) { value = (int)((long long)value * that.value % MOD); return *this; } ModInt &operator/=(ModInt that) { return *this *= that.inverse(); } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt pow(long long k) const { ModInt n = *this, res = 1; while (k) { if (k & 1)res *= n; n *= n; k >>= 1; } return res; } ModInt inverse() const { long long a = value, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } return ModInt(u); } int toi() const { return value; } private: int value; }; typedef ModInt<1000000007> mint; ostream& operator<<(ostream& os, const mint& x) { os << x.toi(); return os; } void solve() { int N, K; cin >> N >> K; vector<mint> dp(K + 1); dp[0] = 1; vi A(N); rep(i, N) { cin >> A[i]; for (int j = K; j >= A[i]; --j) { dp[j] += dp[j - A[i]]; } } int Q; cin >> Q; rep(i, Q) { int id, val; cin >> id >> val; --id; for (int j = A[id]; j <= K; ++j) { dp[j] -= dp[j - A[id]]; } A[id] = val; for (int j = K; j >= A[id]; --j) { dp[j] += dp[j - A[id]]; } cout << (dp.back().toi() ? 1 : 0) << endl; } } int main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(15); solve(); return 0; }