結果
問題 | No.917 Make One With GCD |
ユーザー | au7777 |
提出日時 | 2023-08-27 21:59:28 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,748 bytes |
コンパイル時間 | 4,669 ms |
コンパイル使用メモリ | 244,748 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-08 17:36:35 |
合計ジャッジ時間 | 5,618 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | WA | - |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | WA | - |
testcase_06 | AC | 8 ms
5,376 KB |
testcase_07 | WA | - |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | WA | - |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 4 ms
5,376 KB |
testcase_21 | AC | 4 ms
5,376 KB |
testcase_22 | AC | 4 ms
5,376 KB |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 2 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | AC | 2 ms
5,376 KB |
testcase_35 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> typedef long long int ll; using namespace std; typedef pair<ll, ll> P; using namespace atcoder; template<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>; #define USE998244353 #ifdef USE998244353 const ll MOD = 998244353; // const double PI = 3.1415926535897932; using mint = modint998244353; #else const ll MOD = 1000000007; using mint = modint1000000007; #endif const int MAX = 2000001; long long fac[MAX], finv[MAX], inv[MAX]; void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++){ fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } long long COM(int n, int k){ if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } ll gcd(ll x, ll y) { if (y == 0) return x; else if (y > x) { return gcd (y, x); } else return gcd(x % y, y); } ll lcm(ll x, ll y) { return x / gcd(x, y) * y; } ll my_sqrt(ll x) { // ll m = 0; ll M = 3000000001; while (M - m > 1) { ll now = (M + m) / 2; if (now * now <= x) { m = now; } else { M = now; } } return m; } ll keta(ll num, ll arity) { ll ret = 0; while (num) { num /= arity; ret++; } return ret; } ll ceil(ll n, ll m) { // n > 0, m > 0 ll ret = n / m; if (n % m) ret++; return ret; } ll pow_ll(ll x, ll n) { if (n == 0) return 1; if (n % 2) { return pow_ll(x, n - 1) * x; } else { ll tmp = pow_ll(x, n / 2); return tmp * tmp; } } vector<ll> compress(vector<ll>& v) { // [3 5 5 6 1 1 10 1] -> [1 2 2 3 0 0 4 0] vector<ll> u = v; sort(u.begin(), u.end()); u.erase(unique(u.begin(),u.end()),u.end()); map<ll, ll> mp; for (int i = 0; i < u.size(); i++) { mp[u[i]] = i; } for (int i = 0; i < v.size(); i++) { v[i] = mp[v[i]]; } return v; } vector<ll> Eratosthenes( const ll N ) { vector<bool> is_prime( N + 1 ); for( ll i = 0; i <= N; i++ ) { is_prime[ i ] = true; } vector<ll> P; for( ll i = 2; i <= N; i++ ) { if( is_prime[ i ] ) { for( ll j = 2 * i; j <= N; j += i ) { is_prime[ j ] = false; } P.emplace_back( i ); } } return P; } int main() { ll n; cin >> n; ll a[n]; set<ll> s; for (int i = 0; i < n; i++) { cin >> a[i]; for (ll j = 1; j * j <= a[i]; j++) { if (a[i] % j == 0) { s.insert(j); s.insert(a[i] / j); } } } mint ans = pow_mod(2, n, MOD) - 1; for (auto x : s) { if (x == 1) continue; ll cnt = 0; for (int i = 0; i < n; i++) { if (a[i] % x == 0) cnt++; } ll M = x; ll cnt_divisor = 0; bool flag = false; for (ll i = 2; i * i <= M; i++) { if (x % i == 0) { cnt_divisor++; if (x % (i * i) == 0) { flag = true; break; } while (x % i == 0) x /= i; } } if (flag) continue; if (x > 1) cnt_divisor++; // cout << "M " << M << " cnt_divi " << cnt_divisor << '\n'; if (cnt_divisor % 2) { ans -= pow_mod(2, cnt, MOD) - 1; } else { ans += pow_mod(2, cnt, MOD) - 1; } } cout << ans.val() << '\n'; return 0; }