結果
問題 | No.1238 選抜クラス |
ユーザー | Imperi_Night |
提出日時 | 2020-09-25 21:34:26 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 5 ms / 2,000 ms |
コード長 | 4,366 bytes |
コンパイル時間 | 2,003 ms |
コンパイル使用メモリ | 140,312 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-28 06:11:35 |
合計ジャッジ時間 | 2,625 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 3 ms
5,376 KB |
testcase_09 | AC | 3 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 3 ms
5,376 KB |
testcase_16 | AC | 3 ms
5,376 KB |
testcase_17 | AC | 5 ms
5,376 KB |
testcase_18 | AC | 5 ms
5,376 KB |
testcase_19 | AC | 5 ms
5,376 KB |
testcase_20 | AC | 5 ms
5,376 KB |
testcase_21 | AC | 5 ms
5,376 KB |
testcase_22 | AC | 5 ms
5,376 KB |
testcase_23 | AC | 5 ms
5,376 KB |
testcase_24 | AC | 5 ms
5,376 KB |
testcase_25 | AC | 5 ms
5,376 KB |
testcase_26 | AC | 5 ms
5,376 KB |
testcase_27 | AC | 5 ms
5,376 KB |
testcase_28 | AC | 5 ms
5,376 KB |
testcase_29 | AC | 5 ms
5,376 KB |
testcase_30 | AC | 3 ms
5,376 KB |
testcase_31 | AC | 4 ms
5,376 KB |
testcase_32 | AC | 5 ms
5,376 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | AC | 5 ms
5,376 KB |
testcase_35 | AC | 3 ms
5,376 KB |
testcase_36 | AC | 3 ms
5,376 KB |
testcase_37 | AC | 4 ms
5,376 KB |
testcase_38 | AC | 5 ms
5,376 KB |
ソースコード
#line 1 "main.cpp" #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cctype> #include <chrono> #include <cmath> #include <complex> #include <cstdint> #include <cstdlib> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <limits> #include <list> #include <map> #include <memory> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <type_traits> #include <unordered_map> #include <utility> #include <vector> /* template start */ using i64 = std::int_fast64_t; using u64 = std::uint_fast64_t; #define rep(i, a, b) for (i64 i = (a); (i) < (b); (i)++) #define all(i) i.begin(), i.end() #ifdef LOCAL #define debug(...) \ std::cerr << "LINE: " << __LINE__ << " [" << #__VA_ARGS__ << "]:", \ debug_out(__VA_ARGS__) #else #define debug(...) #endif void debug_out() { std::cerr << std::endl; } template <typename Head, typename... Tail> void debug_out(Head h, Tail... t) { std::cerr << " " << h; if (sizeof...(t) > 0) std::cout << " :"; debug_out(t...); } template <typename T1, typename T2> std::ostream& operator<<(std::ostream& os, std::pair<T1, T2> pa) { return os << pa.first << " " << pa.second; } template <typename T> std::ostream& operator<<(std::ostream& os, std::vector<T> vec) { for (std::size_t i = 0; i < vec.size(); i++) os << vec[i] << (i + 1 == vec.size() ? "" : " "); return os; } template <typename T1, typename T2> inline bool chmax(T1& a, T2 b) { return a < b && (a = b, true); } template <typename T1, typename T2> inline bool chmin(T1& a, T2 b) { return a > b && (a = b, true); } template <typename Num> constexpr Num mypow(Num a, u64 b, Num id = 1) { if (b == 0) return id; Num x = id; while (b > 0) { if (b & 1) x *= a; a *= a; b >>= 1; } return x; } /* template end */ #line 2 "/home/imperi/cp-library/lib/utility/modint.hpp" /* author:noshi91 reference:https://noshi91.hatenablog.com/entry/2019/03/31/174006 https://github.com/noshi91/Library/blob/master/other/modint.cpp 1つめのmodintにoperator==,!=を追加したものです thx @noshi91!! */ #line 14 "/home/imperi/cp-library/lib/utility/modint.hpp" template <std::uint_fast64_t Modulus> class modint { using u64 = std::uint_fast64_t; public: u64 a; constexpr modint(const u64 x = 0) noexcept : a(x % Modulus) {} constexpr u64 &value() noexcept { return a; } constexpr const u64 &value() const noexcept { return a; } constexpr bool operator==(const modint rhs) const noexcept { return a == rhs.a; } constexpr bool operator!=(const modint rhs) const noexcept { return !(*this == rhs); } constexpr modint operator+(const modint rhs) const noexcept { return modint(*this) += rhs; } constexpr modint operator-(const modint rhs) const noexcept { return modint(*this) -= rhs; } constexpr modint operator*(const modint rhs) const noexcept { return modint(*this) *= rhs; } constexpr modint operator/(const modint rhs) const noexcept { return modint(*this) /= rhs; } constexpr modint &operator+=(const modint rhs) noexcept { a += rhs.a; if (a >= Modulus) { a -= Modulus; } return *this; } constexpr modint &operator-=(const modint rhs) noexcept { if (a < rhs.a) { a += Modulus; } a -= rhs.a; return *this; } constexpr modint &operator*=(const modint rhs) noexcept { a = a * rhs.a % Modulus; return *this; } constexpr modint &operator/=(modint rhs) noexcept { u64 exp = Modulus - 2; while (exp) { if (exp % 2) { *this *= rhs; } rhs *= rhs; exp /= 2; } return *this; } }; #line 92 "main.cpp" constexpr u64 MOD=1000000007; using mint=modint<MOD>; int main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); i64 n,k; std::cin>>n>>k; std::vector<i64> a(n); for(auto&& e:a){ std::cin>>e; e-=k; } i64 offset=10000; i64 size=20001; std::vector<mint> dp(size,0); dp[offset]=1; rep(i,0,n){ std::vector<mint> tmp=dp; rep(j,0,size){ if(0<=j+a[i]&&j+a[i]<size)tmp[j+a[i]]+=dp[j]; } dp=tmp; } mint ans=0; rep(i,offset,size)ans+=dp[i]; std::cout<<(ans-1).value()<<"\n"; return 0; }