結果
問題 | No.1917 LCMST |
ユーザー | rniya |
提出日時 | 2022-04-29 22:00:05 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,466 bytes |
コンパイル時間 | 2,148 ms |
コンパイル使用メモリ | 218,936 KB |
実行使用メモリ | 539,016 KB |
最終ジャッジ日時 | 2024-06-29 03:25:19 |
合計ジャッジ時間 | 10,419 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 3 ms
13,888 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | MLE | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
testcase_38 | -- | - |
testcase_39 | -- | - |
testcase_40 | -- | - |
testcase_41 | -- | - |
testcase_42 | -- | - |
testcase_43 | -- | - |
testcase_44 | -- | - |
ソースコード
#define LOCAL #include <bits/stdc++.h> using namespace std; #pragma region Macros typedef long long ll; typedef __int128_t i128; typedef unsigned int uint; typedef unsigned long long ull; #define ALL(x) (x).begin(), (x).end() template <typename T> istream& operator>>(istream& is, vector<T>& v) { for (T& x : v) is >> x; return is; } template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) { for (size_t i = 0; i < v.size(); i++) { os << v[i] << (i + 1 == v.size() ? "" : " "); } return os; } template <typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p) { os << '(' << p.first << ',' << p.second << ')'; return os; } template <typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& m) { os << '{'; for (auto itr = m.begin(); itr != m.end();) { os << '(' << itr->first << ',' << itr->second << ')'; if (++itr != m.end()) os << ','; } os << '}'; return os; } template <typename T, typename U> ostream& operator<<(ostream& os, const unordered_map<T, U>& m) { os << '{'; for (auto itr = m.begin(); itr != m.end();) { os << '(' << itr->first << ',' << itr->second << ')'; if (++itr != m.end()) os << ','; } os << '}'; return os; } template <typename T> ostream& operator<<(ostream& os, const set<T>& s) { os << '{'; for (auto itr = s.begin(); itr != s.end();) { os << *itr; if (++itr != s.end()) os << ','; } os << '}'; return os; } template <typename T> ostream& operator<<(ostream& os, const multiset<T>& s) { os << '{'; for (auto itr = s.begin(); itr != s.end();) { os << *itr; if (++itr != s.end()) os << ','; } os << '}'; return os; } template <typename T> ostream& operator<<(ostream& os, const unordered_set<T>& s) { os << '{'; for (auto itr = s.begin(); itr != s.end();) { os << *itr; if (++itr != s.end()) os << ','; } os << '}'; return os; } template <typename T> ostream& operator<<(ostream& os, const deque<T>& v) { for (size_t i = 0; i < v.size(); i++) { os << v[i] << (i + 1 == v.size() ? "" : " "); } return os; } template <typename T, size_t N> ostream& operator<<(ostream& os, const array<T, N>& v) { for (size_t i = 0; i < N; i++) { os << v[i] << (i + 1 == N ? "" : " "); } return os; } template <int i, typename T> void print_tuple(ostream&, const T&) {} template <int i, typename T, typename H, class... Args> void print_tuple(ostream& os, const T& t) { if (i) os << ','; os << get<i>(t); print_tuple<i + 1, T, Args...>(os, t); } template <typename... Args> ostream& operator<<(ostream& os, const tuple<Args...>& t) { os << '{'; print_tuple<0, tuple<Args...>, Args...>(os, t); return os << '}'; } void debug_out() { cerr << '\n'; } template <class Head, class... Tail> void debug_out(Head&& head, Tail&&... tail) { cerr << head; if (sizeof...(Tail) > 0) cerr << ", "; debug_out(move(tail)...); } #ifdef LOCAL #define debug(...) \ cerr << " "; \ cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n'; \ cerr << " "; \ debug_out(__VA_ARGS__) #else #define debug(...) void(0) #endif template <typename T> T gcd(T x, T y) { return y != 0 ? gcd(y, x % y) : x; } template <typename T> T lcm(T x, T y) { return x / gcd(x, y) * y; } int topbit(signed t) { return t == 0 ? -1 : 31 - __builtin_clz(t); } int topbit(long long t) { return t == 0 ? -1 : 63 - __builtin_clzll(t); } int botbit(signed a) { return a == 0 ? 32 : __builtin_ctz(a); } int botbit(long long a) { return a == 0 ? 64 : __builtin_ctzll(a); } int popcount(signed t) { return __builtin_popcount(t); } int popcount(long long t) { return __builtin_popcountll(t); } bool ispow2(int i) { return i && (i & -i) == i; } long long MSK(int n) { return (1LL << n) - 1; } template <class T> T ceil(T x, T y) { assert(y >= 1); return (x > 0 ? (x + y - 1) / y : x / y); } template <class T> T floor(T x, T y) { assert(y >= 1); return (x > 0 ? x / y : (x - y + 1) / y); } template <class T1, class T2> inline bool chmin(T1& a, T2 b) { if (a > b) { a = b; return true; } return false; } template <class T1, class T2> inline bool chmax(T1& a, T2 b) { if (a < b) { a = b; return true; } return false; } template <typename T> void mkuni(vector<T>& v) { sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end()); } template <typename T> int lwb(const vector<T>& v, const T& x) { return lower_bound(v.begin(), v.end(), x) - v.begin(); } #pragma endregion #include <algorithm> #include <cassert> #include <vector> struct UnionFind { UnionFind(int n) : n(n), num(n), data(n, -1) {} int find(int x) { assert(0 <= x && x < n); return data[x] < 0 ? x : data[x] = find(data[x]); } bool merge(int x, int y) { assert(0 <= x && x < n); assert(0 <= y && y < n); if ((x = find(x)) == (y = find(y))) return false; if (-data[x] < -data[y]) std::swap(x, y); data[x] += data[y]; data[y] = x; num--; return true; } bool same(int x, int y) { assert(0 <= x && x < n); assert(0 <= y && y < n); return find(x) == find(y); } int size(int x) { assert(0 <= x && x < n); return -data[find(x)]; } int count() const { return num; } std::vector<std::vector<int>> groups() { std::vector<std::vector<int>> res(n); for (int i = 0; i < n; i++) res[find(i)].emplace_back(i); res.erase(std::remove_if(res.begin(), res.end(), [&](const std::vector<int>& v) { return v.empty(); })); return res; } int operator[](int x) { return find(x); } private: int n, num; // root node : -1 * component size // otherwise : parent std::vector<int> data; }; const int INF = 1e9; const long long IINF = 1e18; const int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; const char dir[4] = {'D', 'R', 'U', 'L'}; const long long MOD = 1000000007; // const long long MOD = 998244353; const int MAX_A = 100010; int main() { cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; vector<int> A(N); cin >> A; vector<int> cnt(MAX_A, 0); for (int& x : A) cnt[x]++; vector<bool> checked(MAX_A, false); vector<ll> cand; ll ans = 0; for (int i = 1; i < MAX_A; i++) { if (checked[i]) continue; if (cnt[i] == 0) continue; cand.emplace_back(i); if (cnt[i] > 1) ans += 1LL * i * (cnt[i] - 1); for (int j = i + i; j < MAX_A; j += i) { if (checked[j]) continue; ans += 1LL * j * cnt[j]; checked[j] = true; } } int n = cand.size(); UnionFind UF(n); vector<tuple<ll, int, int>> es; for (int i = 0; i < n; i++) { for (int j = i + 1; j < n; j++) { es.emplace_back(lcm(cand[i], cand[j]), i, j); } } for (auto& e : es) { ll c; int u, v; tie(c, u, v) = e; if (UF.merge(u, v)) ans += c; } cout << ans << '\n'; return 0; }