結果
問題 | No.2756 GCD Teleporter |
ユーザー | tokusakurai |
提出日時 | 2024-05-10 22:04:04 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 295 ms / 2,000 ms |
コード長 | 8,743 bytes |
コンパイル時間 | 2,723 ms |
コンパイル使用メモリ | 215,056 KB |
実行使用メモリ | 12,724 KB |
最終ジャッジ日時 | 2024-05-10 22:04:16 |
合計ジャッジ時間 | 6,633 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 4 ms
7,908 KB |
testcase_01 | AC | 4 ms
7,824 KB |
testcase_02 | AC | 4 ms
7,856 KB |
testcase_03 | AC | 5 ms
7,920 KB |
testcase_04 | AC | 11 ms
8,216 KB |
testcase_05 | AC | 33 ms
9,088 KB |
testcase_06 | AC | 111 ms
10,548 KB |
testcase_07 | AC | 72 ms
10,192 KB |
testcase_08 | AC | 66 ms
10,028 KB |
testcase_09 | AC | 59 ms
9,792 KB |
testcase_10 | AC | 81 ms
10,448 KB |
testcase_11 | AC | 104 ms
11,076 KB |
testcase_12 | AC | 27 ms
8,536 KB |
testcase_13 | AC | 119 ms
11,048 KB |
testcase_14 | AC | 111 ms
10,780 KB |
testcase_15 | AC | 28 ms
8,648 KB |
testcase_16 | AC | 62 ms
9,464 KB |
testcase_17 | AC | 75 ms
9,884 KB |
testcase_18 | AC | 26 ms
8,604 KB |
testcase_19 | AC | 118 ms
11,084 KB |
testcase_20 | AC | 214 ms
10,392 KB |
testcase_21 | AC | 86 ms
9,156 KB |
testcase_22 | AC | 126 ms
10,404 KB |
testcase_23 | AC | 26 ms
8,268 KB |
testcase_24 | AC | 152 ms
9,880 KB |
testcase_25 | AC | 158 ms
9,972 KB |
testcase_26 | AC | 148 ms
10,400 KB |
testcase_27 | AC | 123 ms
10,408 KB |
testcase_28 | AC | 61 ms
9,492 KB |
testcase_29 | AC | 88 ms
10,080 KB |
testcase_30 | AC | 119 ms
10,584 KB |
testcase_31 | AC | 52 ms
9,140 KB |
testcase_32 | AC | 295 ms
9,528 KB |
testcase_33 | AC | 113 ms
8,504 KB |
testcase_34 | AC | 22 ms
8,324 KB |
testcase_35 | AC | 131 ms
10,044 KB |
testcase_36 | AC | 92 ms
10,000 KB |
testcase_37 | AC | 4 ms
7,792 KB |
testcase_38 | AC | 55 ms
10,432 KB |
testcase_39 | AC | 64 ms
12,724 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (n); i++) #define per(i, n) for (int i = (n)-1; i >= 0; i--) #define rep2(i, l, r) for (int i = (l); i < (r); i++) #define per2(i, l, r) for (int i = (r)-1; i >= (l); i--) #define each(e, v) for (auto &e : v) #define MM << " " << #define pb push_back #define eb emplace_back #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #define sz(x) (int)x.size() using ll = long long; using pii = pair<int, int>; using pil = pair<int, ll>; using pli = pair<ll, int>; using pll = pair<ll, ll>; template <typename T> using minheap = priority_queue<T, vector<T>, greater<T>>; template <typename T> using maxheap = priority_queue<T>; template <typename T> bool chmax(T &x, const T &y) { return (x < y) ? (x = y, true) : false; } template <typename T> bool chmin(T &x, const T &y) { return (x > y) ? (x = y, true) : false; } template <typename T> int flg(T x, int i) { return (x >> i) & 1; } int pct(int x) { return __builtin_popcount(x); } int pct(ll x) { return __builtin_popcountll(x); } int topbit(int x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); } int topbit(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); } int botbit(int x) { return (x == 0 ? -1 : __builtin_ctz(x)); } int botbit(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); } template <typename T> void print(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' '); if (v.empty()) cout << '\n'; } template <typename T> void printn(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << '\n'; } template <typename T> void err_print(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cerr << v[i] + x << ' '; cerr << endl; } template <typename T> int lb(const vector<T> &v, T x) { return lower_bound(begin(v), end(v), x) - begin(v); } template <typename T> int ub(const vector<T> &v, T x) { return upper_bound(begin(v), end(v), x) - begin(v); } template <typename T> void rearrange(vector<T> &v) { sort(begin(v), end(v)); v.erase(unique(begin(v), end(v)), end(v)); } template <typename T> vector<int> id_sort(const vector<T> &v, bool greater = false) { int n = v.size(); vector<int> ret(n); iota(begin(ret), end(ret), 0); sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; }); return ret; } template <typename T> void reorder(vector<T> &a, const vector<int> &ord) { int n = a.size(); vector<T> b(n); for (int i = 0; i < n; i++) b[i] = a[ord[i]]; swap(a, b); } template <typename T> T floor(T x, T y) { assert(y != 0); if (y < 0) x = -x, y = -y; return (x >= 0 ? x / y : (x - y + 1) / y); } template <typename T> T ceil(T x, T y) { assert(y != 0); if (y < 0) x = -x, y = -y; return (x >= 0 ? (x + y - 1) / y : x / y); } template <typename S, typename T> pair<S, T> operator+(const pair<S, T> &p, const pair<S, T> &q) { return make_pair(p.first + q.first, p.second + q.second); } template <typename S, typename T> pair<S, T> operator-(const pair<S, T> &p, const pair<S, T> &q) { return make_pair(p.first - q.first, p.second - q.second); } template <typename S, typename T> istream &operator>>(istream &is, pair<S, T> &p) { S a; T b; is >> a >> b; p = make_pair(a, b); return is; } template <typename S, typename T> ostream &operator<<(ostream &os, const pair<S, T> &p) { return os << p.first << ' ' << p.second; } struct io_setup { io_setup() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout << fixed << setprecision(15); cerr << fixed << setprecision(15); } } io_setup; constexpr int inf = (1 << 30) - 1; constexpr ll INF = (1LL << 60) - 1; // constexpr int MOD = 1000000007; constexpr int MOD = 998244353; template <typename T> vector<T> divisors(const T &n) { vector<T> ret; for (T i = 1; i * i <= n; i++) { if (n % i == 0) { ret.push_back(i); if (i * i != n) ret.push_back(n / i); } } sort(begin(ret), end(ret)); return ret; } template <typename T> vector<pair<T, int>> prime_factor(T n) { vector<pair<T, int>> ret; for (T i = 2; i * i <= n; i++) { int cnt = 0; while (n % i == 0) cnt++, n /= i; if (cnt > 0) ret.emplace_back(i, cnt); } if (n > 1) ret.emplace_back(n, 1); return ret; } template <typename T> bool is_prime(const T &n) { if (n == 1) return false; for (T i = 2; i * i <= n; i++) { if (n % i == 0) return false; } return true; } // 1,2,...,n のうち k と互いに素である自然数の個数 template <typename T> T count_coprime(T n, T k) { vector<pair<T, int>> ps = prime_factor(k); int m = ps.size(); T ret = 0; for (int i = 0; i < (1 << m); i++) { T prd = 1; for (int j = 0; j < m; j++) { if ((i >> j) & 1) prd *= ps[j].first; } ret += (__builtin_parity(i) ? -1 : 1) * (n / prd); } return ret; } vector<bool> Eratosthenes(const int &n) { vector<bool> ret(n + 1, true); if (n >= 0) ret[0] = false; if (n >= 1) ret[1] = false; for (int i = 2; i * i <= n; i++) { if (!ret[i]) continue; for (int j = i + i; j <= n; j += i) ret[j] = false; } return ret; } vector<int> Eratosthenes2(const int &n) { vector<int> ret(n + 1); iota(begin(ret), end(ret), 0); if (n >= 0) ret[0] = -1; if (n >= 1) ret[1] = -1; for (int i = 2; i * i <= n; i++) { if (ret[i] < i) continue; for (int j = i + i; j <= n; j += i) ret[j] = min(ret[j], i); } return ret; } // n 以下の素数の数え上げ template <typename T> T count_prime(T n) { if (n < 2) return 0; vector<T> ns = {0}; for (T i = n; i > 0; i = n / (n / i + 1)) ns.push_back(i); vector<T> h = ns; for (T &x : h) x--; for (T x = 2, m = sqrtl(n), k = ns.size(); x <= m; x++) { if (h[k - x] == h[k - x + 1]) continue; // h(x-1,x-1) = h(x-1,x) ならば x は素数ではない T x2 = x * x, pi = h[k - x + 1]; for (T i = 1, j = ns[i]; i < k && j >= x2; j = ns[++i]) h[i] -= h[i * x <= m ? i * x : k - j / x] - pi; } return h[1]; } // i 以下で i と互いに素な自然数の個数のテーブル vector<int> Euler_totient_table(const int &n) { vector<int> dp(n + 1, 0); for (int i = 1; i <= n; i++) dp[i] = i; for (int i = 2; i <= n; i++) { if (dp[i] == i) { dp[i]--; for (int j = i + i; j <= n; j += i) { dp[j] /= i; dp[j] *= i - 1; } } } return dp; } // 約数包除に用いる係数テーブル (平方数で割り切れるなら 0、素因数の種類が偶数なら +1、奇数なら -1) vector<int> inclusion_exclusion_table(int n) { auto p = Eratosthenes2(n); vector<int> ret(n + 1, 0); if (n >= 1) ret[1] = 1; for (int i = 2; i <= n; i++) { int x = p[i], j = i / x; ret[i] = (p[j] == x ? 0 : -ret[j]); } return ret; } struct Union_Find_Tree { vector<int> data; const int n; int cnt; Union_Find_Tree(int n) : data(n, -1), n(n), cnt(n) {} int root(int x) { if (data[x] < 0) return x; return data[x] = root(data[x]); } int operator[](int i) { return root(i); } bool unite(int x, int y) { x = root(x), y = root(y); if (x == y) return false; if (data[x] > data[y]) swap(x, y); data[x] += data[y], data[y] = x; cnt--; return true; } int size(int x) { return -data[root(x)]; } int count() { return cnt; }; bool same(int x, int y) { return root(x) == root(y); } void clear() { cnt = n; fill(begin(data), end(data), -1); } }; void solve() { int N; cin >> N; const int MAX = 200000; vector<vector<int>> ids(MAX + 1); rep(i, N) { int x; cin >> x; auto ps = prime_factor(x); for (auto [p, t] : ps) ids[p].eb(i); } Union_Find_Tree uf(N); rep(i, MAX + 1) { int K = sz(ids[i]); rep(j, K - 1) uf.unite(ids[i][j], ids[i][j + 1]); } int ans = uf.count() * 2; if (!ids[2].empty()) { chmin(ans, (uf.count() - 1) * 2); // } if (uf.count() == 1) { ans = 0; } else if (uf.count() == 2) { rep(i, MAX + 1) { if (!empty(ids[i])) chmin(ans, i); } } cout << ans << '\n'; } int main() { int T = 1; // cin >> T; while (T--) solve(); }