結果
| 問題 |
No.2807 Have Another Go (Easy)
|
| コンテスト | |
| ユーザー |
Today03
|
| 提出日時 | 2024-07-13 01:22:17 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,036 bytes |
| コンパイル時間 | 2,091 ms |
| コンパイル使用メモリ | 196,492 KB |
| 最終ジャッジ日時 | 2025-02-22 06:08:03 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 33 WA * 13 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int INF = 1e9 + 10;
const ll INFL = 4e18;
template <ll MOD>
struct modint {
ll value;
modint(ll 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(ll x) const {
modint ret(1), mul(value);
while (x) {
if (x & 1) {
ret *= mul;
}
mul *= mul;
x >>= 1;
}
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 ostream &operator<<(ostream &os, const modint &x) {
return os << x.value;
}
friend istream &operator>>(istream &is, modint &x) {
ll v;
is >> v;
x = modint<MOD>(v);
return is;
}
};
using mod998 = modint<998244353>;
using mod107 = modint<1000000007>;
using mint = mod998;
int main() {
int N, M, K;
cin >> N >> M >> K;
vector<int> C(K);
for (int i = 0; i < K; i++) {
cin >> C[i];
}
vector<mint> dp(2 * N, 0);
dp[0] = 1;
for (int j = 0; j < 2 * N; j++) {
for (int i = 1; i <= 6 && j + i < 2 * N; i++) {
dp[i + j] += dp[j];
}
}
for (int i = 0; i < K; i++) {
mint ans = 0;
for (int T = 2 * N - 6; T <= 2 * N - 1; T++) {
for (int j = 1; j <= 6; j++) {
if (j + T >= 2 * N && T - C[i] - N >= 0) {
mint X = dp[C[i]] * dp[T - C[i]];
mint Y = dp[C[i] + N] * dp[T - (C[i] + N)];
mint Z = dp[C[i]] * dp[N] * dp[T - (C[i] + N)];
ans += X + Y - Z;
}
}
}
cout << ans << endl;
}
}
Today03