結果
問題 | No.2625 Bouns Ai |
ユーザー | Today03 |
提出日時 | 2024-02-10 03:52:17 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 195 ms / 2,000 ms |
コード長 | 3,033 bytes |
コンパイル時間 | 2,275 ms |
コンパイル使用メモリ | 209,540 KB |
実行使用メモリ | 161,764 KB |
最終ジャッジ日時 | 2024-09-28 16:59:49 |
合計ジャッジ時間 | 7,056 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 5 ms
6,820 KB |
testcase_01 | AC | 4 ms
6,820 KB |
testcase_02 | AC | 12 ms
11,880 KB |
testcase_03 | AC | 141 ms
161,636 KB |
testcase_04 | AC | 189 ms
161,632 KB |
testcase_05 | AC | 144 ms
161,756 KB |
testcase_06 | AC | 143 ms
161,632 KB |
testcase_07 | AC | 142 ms
161,760 KB |
testcase_08 | AC | 140 ms
161,632 KB |
testcase_09 | AC | 140 ms
161,636 KB |
testcase_10 | AC | 193 ms
161,632 KB |
testcase_11 | AC | 6 ms
7,176 KB |
testcase_12 | AC | 191 ms
161,632 KB |
testcase_13 | AC | 195 ms
161,632 KB |
testcase_14 | AC | 190 ms
161,632 KB |
testcase_15 | AC | 192 ms
161,632 KB |
testcase_16 | AC | 194 ms
161,628 KB |
testcase_17 | AC | 192 ms
161,632 KB |
testcase_18 | AC | 190 ms
161,632 KB |
testcase_19 | AC | 192 ms
161,632 KB |
testcase_20 | AC | 193 ms
161,764 KB |
testcase_21 | AC | 192 ms
161,636 KB |
testcase_22 | AC | 189 ms
161,632 KB |
testcase_23 | AC | 193 ms
161,760 KB |
testcase_24 | AC | 188 ms
161,760 KB |
testcase_25 | AC | 191 ms
161,760 KB |
ソースコード
#include <bits/stdc++.h> #ifdef LOCAL #include "./debug.cpp" #else #define debug(...) #define print_line #endif using namespace std; using ll = long long; #include <iostream> /** * @brief Modint */ template <long long MOD> struct modint { long long value; modint(long long x = 0) { if (x >= 0) { value = x % MOD; } else { value = MOD - (-x) % MOD; } } modint operator-() const { return modint(-value); } modint operator+() const { return modint(*this); } modint &operator+=(const modint &other) { value += other.value; if (value >= MOD) { value -= MOD; } return *this; } modint &operator-=(const modint &other) { value += MOD - other.value; if (value >= MOD) { value -= MOD; } return *this; } modint &operator*=(const modint other) { value = value * other.value % MOD; return *this; } modint &operator/=(modint other) { (*this) *= other.inv(); return *this; } modint operator+(const modint &other) const { return modint(*this) += other; } modint operator-(const modint &other) const { return modint(*this) -= other; } modint operator*(const modint &other) const { return modint(*this) *= other; } modint operator/(const modint &other) const { return modint(*this) /= other; } modint pow(long long x) const { modint ret(1), mul(value); while (x > 0) { if (x % 2 == 1) { ret *= mul; } mul *= mul; x /= 2; } return ret; } modint inv() const { return pow(MOD - 2); } bool operator==(const modint &other) const { return value == other.value; } bool operator!=(const modint &other) const { return value != other.value; } friend std::ostream &operator<<(std::ostream &os, const modint &x) { return os << x.value; } friend std::istream &operator>>(std::istream &is, modint &x) { long long v; is >> v; x = modint<MOD>(v); return is; } }; using mod998 = modint<998244353>; using mod107 = modint<1000000007>; using mint = mod998; int main() { int N; cin >> N; vector<int> A(N); for (int i = 0; i < N; i++) cin >> A[i]; A.insert(A.begin(), 0); const int MAX = 1e5; vector<vector<mint>> dp(N + 1, vector<mint>(MAX + 1, 0)); dp[0][0] = 1; for (int i = 0; i < N; i++) { vector<mint> sum(MAX + 2); for (int j = 0; j <= MAX; j++) sum[j + 1] = sum[j] + dp[i][j]; for (int j = 0; j + A[i + 1] <= MAX; j++) { int upper = min({MAX - A[i], j, j - A[i] + A[i + 1]}); upper = max(upper, -1); dp[i + 1][j] += sum[upper + 1]; } } mint ans = 0; for (int i = 0; i <= MAX; i++) ans += dp[N][i]; cout << ans << endl; }