結果
| 問題 |
No.2211 Frequency Table of GCD
|
| コンテスト | |
| ユーザー |
Today03
|
| 提出日時 | 2024-11-05 10:15:44 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 354 ms / 2,000 ms |
| コード長 | 2,606 bytes |
| コンパイル時間 | 3,160 ms |
| コンパイル使用メモリ | 253,280 KB |
| 実行使用メモリ | 27,852 KB |
| 最終ジャッジ日時 | 2024-11-05 10:15:57 |
| 合計ジャッジ時間 | 11,398 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 26 |
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) { value = (x >= 0 ? x % MOD : 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;
}
static constexpr ll get_mod() { return MOD; }
};
using Mod998 = ModInt<998244353>;
using Mod107 = ModInt<1000000007>;
using mint = Mod998;
int main() {
int N, M;
cin >> N >> M;
vector<int> A(N);
for (int i = 0; i < N; i++) cin >> A[i];
vector<vector<int>> div(M + 1);
for (int i = 1; i <= M; i++) {
for (int j = i; j <= M; j += i) {
div[j].push_back(i);
}
}
vector<int> ex(M + 1);
for (int i = 0; i < N; i++) {
for (int x : div[A[i]]) ex[x]++;
}
vector<mint> dp(M + 1);
for (int i = M; i >= 1; i--) {
dp[i] = mint(2).pow(ex[i]) - 1;
for (int j = i * 2; j <= M; j += i) {
dp[i] -= dp[j];
}
}
for (int i = 1; i <= M; i++) cout << dp[i] << '\n';
}
Today03