結果
問題 | No.1546 [Cherry 2nd Tune D] 思ったよりも易しくない |
ユーザー | ゆにぽけ |
提出日時 | 2024-02-23 07:39:58 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 102 ms / 2,000 ms |
コード長 | 3,507 bytes |
コンパイル時間 | 1,399 ms |
コンパイル使用メモリ | 133,144 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-09-29 04:52:36 |
合計ジャッジ時間 | 10,770 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 2 ms
6,820 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,820 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | AC | 2 ms
6,820 KB |
testcase_12 | AC | 2 ms
6,816 KB |
testcase_13 | AC | 37 ms
6,816 KB |
testcase_14 | AC | 97 ms
6,816 KB |
testcase_15 | AC | 49 ms
6,820 KB |
testcase_16 | AC | 47 ms
6,816 KB |
testcase_17 | AC | 36 ms
6,816 KB |
testcase_18 | AC | 66 ms
6,816 KB |
testcase_19 | AC | 61 ms
6,820 KB |
testcase_20 | AC | 75 ms
6,816 KB |
testcase_21 | AC | 4 ms
6,816 KB |
testcase_22 | AC | 68 ms
6,816 KB |
testcase_23 | AC | 57 ms
6,820 KB |
testcase_24 | AC | 13 ms
6,816 KB |
testcase_25 | AC | 97 ms
6,816 KB |
testcase_26 | AC | 100 ms
6,816 KB |
testcase_27 | AC | 48 ms
6,820 KB |
testcase_28 | AC | 99 ms
6,816 KB |
testcase_29 | AC | 99 ms
6,816 KB |
testcase_30 | AC | 100 ms
6,820 KB |
testcase_31 | AC | 102 ms
6,816 KB |
testcase_32 | AC | 98 ms
6,816 KB |
testcase_33 | AC | 100 ms
6,816 KB |
testcase_34 | AC | 101 ms
6,820 KB |
testcase_35 | AC | 99 ms
6,820 KB |
testcase_36 | AC | 101 ms
6,816 KB |
testcase_37 | AC | 97 ms
6,820 KB |
testcase_38 | AC | 99 ms
6,820 KB |
testcase_39 | AC | 99 ms
6,820 KB |
testcase_40 | AC | 100 ms
6,816 KB |
testcase_41 | AC | 101 ms
6,816 KB |
testcase_42 | AC | 101 ms
6,816 KB |
testcase_43 | AC | 82 ms
6,816 KB |
testcase_44 | AC | 79 ms
6,816 KB |
testcase_45 | AC | 80 ms
6,816 KB |
testcase_46 | AC | 82 ms
6,820 KB |
testcase_47 | AC | 81 ms
6,816 KB |
testcase_48 | AC | 100 ms
6,820 KB |
testcase_49 | AC | 97 ms
6,820 KB |
testcase_50 | AC | 2 ms
6,816 KB |
testcase_51 | AC | 2 ms
6,816 KB |
testcase_52 | AC | 2 ms
6,820 KB |
ソースコード
#include <iostream> #include <vector> #include <algorithm> #include <array> #include <iterator> #include <string> #include <cctype> #include <cstring> #include <cstdlib> #include <cassert> #include <cmath> #include <ctime> #include <iomanip> #include <numeric> #include <stack> #include <queue> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <bitset> #include <random> #include <utility> #include <functional> using namespace std; template<int m> struct modint { private: unsigned int value; static constexpr int mod() {return m;} public: constexpr modint(const long long x = 0) noexcept { long long y = x; if(y < 0 || y >= mod()) { y %= mod(); if(y < 0) y += mod(); } value = (unsigned int)y; } static constexpr int get_mod() noexcept {return m;} static constexpr int primitive_root() noexcept { assert(m == 998244353); return 3; } constexpr unsigned int val() noexcept {return value;} constexpr modint &operator+=(const modint &other) noexcept { value += other.value; if(value >= mod()) value -= mod(); return *this; } constexpr modint &operator-=(const modint &other) noexcept { unsigned int x = value; if(x < other.value) x += mod(); x -= other.value; value = x; return *this; } constexpr modint &operator*=(const modint &other) noexcept { unsigned long long x = value; x *= other.value; value = (unsigned int) (x % mod()); return *this; } constexpr modint &operator/=(const modint &other) noexcept { return *this *= other.inverse(); } constexpr modint inverse() const noexcept { assert(value); long long a = value,b = mod(),x = 1,y = 0; while(b) { long long q = a/b; a -= q*b; swap(a,b); x -= q*y; swap(x,y); } return modint(x); } constexpr modint power(long long N) const noexcept { assert(N >= 0); modint p = *this,ret = 1; while(N) { if(N & 1) ret *= p; p *= p; N >>= 1; } return ret; } constexpr modint operator+() {return *this;} constexpr modint operator-() {return modint() - *this;} constexpr modint &operator++(int) noexcept {return *this += 1;} constexpr modint &operator--(int) noexcept {return *this -= 1;} friend modint operator+(const modint& lhs, const modint& rhs) {return modint(lhs) += rhs;} friend modint operator-(const modint& lhs, const modint& rhs) {return modint(lhs) -= rhs;} friend modint operator*(const modint& lhs, const modint& rhs) {return modint(lhs) *= rhs;} friend modint operator/(const modint& lhs, const modint& rhs) {return modint(lhs) /= rhs;} friend ostream &operator<<(ostream &os,const modint &x) {return os << x.value;} }; using mint = modint<998244353>; /* using mint = modint<1000000007>; */ void Main() { int N; cin >> N; vector<long long> T(N); vector<int> V(N); mint L = 0; for(int i = 0;i < N;i++) { cin >> T[i] >> V[i]; L += T[i]; } mint ans = 0; const mint inv2 = mint(2).inverse(); const mint inv3 = mint(3).inverse(); auto f = [&](mint k) -> mint { return inv3 * (k + 1) * (k + 2) * (k + 3); }; auto g = [&](mint k) -> mint { return inv2 * inv2 * k * (k + 1) * (k + 2) * (k + 3); }; mint S = 0; for(int i = 0;i < N;i++) { int a = V[i]; { mint cur = f(S + T[i] - 1) - f(S - 1); ans += cur * L * a; } { mint cur = g(S + T[i] - 1) - g(S - 1); ans -= cur * a; } S += T[i]; } ans *= inv2; cout << ans << "\n"; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int tt = 1; /* cin >> tt; */ while(tt--) Main(); }