結果
問題 | No.1181 Product Sum for All Subsets |
ユーザー | ミドリムシ |
提出日時 | 2022-03-28 08:46:47 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 3,288 bytes |
コンパイル時間 | 1,731 ms |
コンパイル使用メモリ | 167,444 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-07 00:32:07 |
合計ジャッジ時間 | 2,765 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 2 ms
5,248 KB |
testcase_26 | AC | 2 ms
5,248 KB |
testcase_27 | AC | 2 ms
5,248 KB |
testcase_28 | AC | 2 ms
5,248 KB |
testcase_29 | AC | 2 ms
5,248 KB |
ソースコード
//#include <atcoder/all> #include <bits/stdc++.h> using namespace std; using lint = long long; constexpr lint mod = 1e9 + 7; #define all(x) begin(x), end(x) #define bitcount(n) __builtin_popcountll((lint)(n)) #define fcout cout << fixed << setprecision(15) #define highest(x) (63 - __builtin_clzll(x)) #define rep(i, n) for(int i = 0; i < int(n); i++) #define rep2(i, l, r) for(int i = int(l); i < int(r); i++) #define repr(i, n) for(int i = int(n) - 1; i >= 0; i--) #define repr2(i, l, r) for(int i = int(r) - 1; i >= int(l); i--) constexpr int inf9 = 1e9; constexpr lint inf18 = 1e18; inline void Yes(bool condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; } template<class itr> void array_output(itr start, itr goal){ for(auto i = start; i != goal; i++) cout << (i == start ? "" : " ") << (*i); cout << endl; } template<class itr> void cins(itr first, itr last){ for(auto i = first; i != last; i++){ cin >> (*i); } } template<class T> T gcd(T a, T b){ if(b) return gcd(b, a % b); else return a; } template<class T> T lcm(T a, T b){ return a / gcd(a, b) * b; } template<class T> bool chmax(T &a, const T &b){ if(a < b){ a = b; return 1; } return 0; } template<class T> bool chmin(T &a, const T &b){ if(b < a){ a = b; return 1; } return 0; } inline int has(lint i, int j){ return (i >> j) & 1; } int dy[4] = {1, 0, -1, 0}; int dx[4] = {0, 1, 0, -1}; bool is_inside(lint y, lint x, lint H, lint W){ return (0 <= y && y < H && 0 <= x && x < W); } struct io_init { io_init() { cin.tie(nullptr); cout.tie(nullptr); std::ios::sync_with_stdio(false); } } io_init; struct Modint{ lint x; Modint(): x(0) {} Modint(lint x): x(x >= 0 || x % mod == 0 ? x % mod : mod - (-x) % mod) {} Modint operator +(Modint a){ return Modint(*this) += a; } Modint operator -(Modint a){ return Modint(*this) -= a; } Modint operator *(Modint a){ return Modint(*this) *= a; } Modint operator /(Modint a){ return Modint(*this) /= a; } Modint operator -(){ return Modint(0) - Modint(*this); } Modint& operator +=(Modint a){ x += a.x; if(x >= mod) x -= mod; return *this; } Modint& operator -=(Modint a){ if(x < a.x) x += mod; x -= a.x; return *this; } Modint& operator *=(Modint a){ x = x * a.x % mod; return *this; } Modint& operator /=(Modint a){ (*this) *= a.inv(); return *this; } Modint inv(){ return pow(mod - 2); } Modint pow(lint exp){ Modint ans(1), powed = (*this); while(exp){ if(exp % 2) ans *= powed; powed *= powed; exp /= 2; } return ans; } bool operator ==(Modint a){ return x == a.x; } bool operator !=(Modint a){ return x != a.x; } }; ostream& operator <<(ostream& os, Modint a){ os << a.x; return os; } istream &operator >>(istream &is, Modint& a){ lint x; is >> x; a = Modint(x); return is; } Modint get_triangle(lint n){ return Modint(n) * (n + 1) / 2; } int main(){ int n; lint k; cin >> n >> k; auto p = get_triangle(k + 1) - 1; auto q = get_triangle(k); cout << p.pow(n) - q.pow(n) << endl; }