結果
問題 | No.1043 直列大学 |
ユーザー | tamaron |
提出日時 | 2020-05-01 22:56:37 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,768 bytes |
コンパイル時間 | 1,759 ms |
コンパイル使用メモリ | 176,764 KB |
実行使用メモリ | 19,152 KB |
最終ジャッジ日時 | 2024-06-07 11:17:48 |
合計ジャッジ時間 | 3,267 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 | 18 ms
18,944 KB |
testcase_01 | AC | 18 ms
18,816 KB |
testcase_02 | AC | 20 ms
18,816 KB |
testcase_03 | AC | 18 ms
18,944 KB |
testcase_04 | AC | 18 ms
18,816 KB |
testcase_05 | AC | 20 ms
18,816 KB |
testcase_06 | AC | 19 ms
18,816 KB |
testcase_07 | AC | 18 ms
18,864 KB |
testcase_08 | AC | 19 ms
18,944 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | AC | 20 ms
18,944 KB |
testcase_15 | AC | 19 ms
18,844 KB |
testcase_16 | AC | 20 ms
18,944 KB |
testcase_17 | AC | 19 ms
18,816 KB |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 19 ms
18,944 KB |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<long long, long long> P; struct edge{long long to,cost;}; const int inf = 1 << 27; const long long INF = 1LL << 60; const int COMBMAX = 1001001; const long long MOD = 1000000007; #define rep(i,n) for(int i = 0; i < (n); ++i) #define eachdo(v, e) for(const auto& e : (v)) #define all(v) (v).begin(), (v).end() #define lower_index(v, e) (long long)distance((v).begin(), lower_bound((v).begin(), (v).end(), e)) #define upper_index(v, e) (long long)distance((v).begin(), upper_bound((v).begin(), (v).end(), e)) long long mpow(long long a, long long n, long long mod = MOD){long long res = 1; while(n > 0){if(n & 1)res = res * a % mod; a = a * a % mod; n >>= 1;} return res;} void yn(bool j){cout << (j ? "Yes" : "No") << endl; return;} template<class Head> void pt(Head&& head){cout << head << endl; return;} template<class Head, class... Tail> void pt(Head&& head, Tail&&... tail){cout << head << " "; pt(forward<Tail>(tail)...);} template<class T> void debug(T v){rep(i, v.size()) cout << v[i] << " " ; cout << endl;} template<class T> void debug2(T v){rep(i, v.size()){rep(j, v[i].size()) cout << v[i][j] << " " ; cout << endl;}} template<class T1, class T2> long long bcount(T1 v, T2 a){return upper_index(v, a) - lower_index(v, a);} 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;} // typedef long long mint; struct mint { long long x; mint(long long x = 0):x((x % MOD + MOD) % MOD){} mint& operator += (const mint a) {if ((x += a.x) >= MOD) x -= MOD; return *this;} mint& operator -= (const mint a) {if ((x += MOD-a.x) >= MOD) x -= MOD; return *this;} mint& operator *= (const mint a) {(x *= a.x) %= MOD; return *this;} mint operator + (const mint a) const {mint res(*this); return res += a;} mint operator - (const mint a) const {mint res(*this); return res -= a;} mint operator * (const mint a) const {mint res(*this); return res *= a;} mint pow(long long t) const {if (!t) return 1; mint a = pow(t >> 1); a *= a; if (t&1) a *= *this; return a;} mint inv() const {return pow(MOD - 2);} mint& operator /= (const mint a) {return (*this) *= a.inv();} mint operator / (const mint a) const {mint res(*this); return res /= a;} }; class combination { public: vector<mint> fact, ifact; combination(int n):fact(n + 1), ifact(n + 1) { assert(n < MOD); fact[0] = 1; for(int i = 1; i <= n; ++i) fact[i] = fact[i - 1] * i; ifact[n] = fact[n].inv(); for(int i = n; i >= 1; --i) ifact[i - 1] = ifact[i] * i; } mint operator()(int n, int k) { if (k < 0 || k > n) return 0; if (COMBMAX < n){ mint ret = 1; for(long long i = 1; i <= k; i++){ ret *= (n - i + 1); ret /= i; } return ret; } return fact[n] * ifact[k] * ifact[n - k]; } mint multi(long long n, long long sum, long long l, long long r){ long long m = r - l + 1; long long t = sum - n * (l - 1); mint ans = 0; for(long long k = 0; k <= (t - n) / m; k++){ long long sign = k % 2 == 0 ? 1 : -1; mint temp = this->operator() (n, k); temp *= this->operator() (n + (t - n - m * k - 1), t - n - m * k); temp *= sign; ans += temp; } return ans; } } com(COMBMAX); int main(){ ll N, M; cin >> N >> M; vector<ll> V(N), R(M); rep(i, N) cin >> V[i]; rep(i, M) cin >> R[i]; ll A, B; cin >> A >> B; ll V_MAX = (N + 2) * 10; ll R_MAX = (M + 2) * 10; vector<mint> dp_V(V_MAX, 0); vector<mint> dp_R(R_MAX, 0); dp_V[0] = 1; rep(i, N){ vector<mint> dp_V_next(V_MAX, 0); rep(j, V_MAX){ dp_V_next[j] += dp_V[j]; if (j + V[i] < V_MAX) dp_V_next[j + V[i]] += dp_V[j]; } dp_V = dp_V_next; } dp_R[0] = 1; rep(i, M){ vector<mint> dp_R_next(R_MAX, 0); rep(j, R_MAX){ dp_R_next[j] += dp_R[j]; if (j + R[i] < R_MAX) dp_R_next[j + R[i]] += dp_R[j]; } dp_R = dp_R_next; } dp_V[0] = 0; rep(i, V_MAX - 1) dp_V[i + 1] += dp_V[i]; // debug(dp_V); // debug(dp_R); // rep(i, R_MAX - 1) dp_R[i + 1] += dp_R[i]; mint ans = 0; // pt(A, B); for(ll res = 1; res < R_MAX; res++){ mint temp = dp_V[min(res * B, V_MAX - 1)]; temp -= dp_V[min(res * A - 1, V_MAX - 1)]; temp *= dp_R[res]; // pt(temp); ans += temp; } pt(ans.x); }