結果
問題 | No.1917 LCMST |
ユーザー |
|
提出日時 | 2024-06-16 15:36:35 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,562 bytes |
コンパイル時間 | 2,383 ms |
コンパイル使用メモリ | 154,672 KB |
実行使用メモリ | 19,924 KB |
最終ジャッジ日時 | 2024-06-16 15:36:56 |
合計ジャッジ時間 | 20,403 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 4 WA * 38 |
ソースコード
#include <algorithm>#include <cassert>#include <cstdio>#include <cstdlib>#include <cstring>#include <cmath>#include <iostream>#include <numeric>#include <vector>#include <map>#include <set>#include <queue>#include <ranges>#include <iomanip>using namespace std;using ll = long long;auto range(int n) { return views::iota(0, n); }template<class T, class U> ostream& operator<<(ostream& os, const pair<T, U>& p){ return os << "{" << p.first << ", " << p.second << "}"; }template<typename T> ostream& operator<<(ostream& os, const vector<T>& obj) { os << "{"; for (const auto& e : obj) os << e << ", "; return os << "}";}template<typename T> ostream& operator<<(ostream& os, const set<T>& obj) { os << "set{"; for (const auto& e : obj) os << e << ", "; return os << "}";}template<typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& obj) { os << "map{"; for (const auto& e : obj) os << e << ", ";return os << "}"; }#ifdef ONLINE_JUDGE#define dump(expr) ;#else#define dump(expr) { cerr << "\033[33m#L" << __LINE__ << ": " << expr << "\033[39m" << endl; }#endifstruct UF {vector<int> data;UF(int n) : data(n, -1) {}int root(int x) { return data[x] < 0 ? x : data[x] = root(data[x]); }bool find(int x, int y) { return root(x) == root(y); }void uni(int x, int y) {x = root(x);y = root(y);if (x != y) {if (data[x] < data[y])swap(x, y);data[x] += data[y];data[y] = x;}}};ll solve() {int n; cin >> n;const int A = 100000;// const int A = 1000;ll res = 0;vector<char> exists(A + 1);for ([[maybe_unused]] int i : range(n)) {ll x; cin >> x;if (exists[x]) res += x;exists[x] = 1;}vector<vector<ll>> buckets(A + 1);for (int g = 1; g <= A; ++g) {for (int i = g; i <= A; i += g) if (exists[i]) buckets[g].push_back(i);}dump(buckets);UF uf(A + 1);for (int g = A; g >= 1; --g) {map<int, ll> minvals;for (auto x : buckets[g]) {int idx = uf.root(x);if (minvals.count(idx) == 0) minvals[idx] = A + 1;minvals[idx] = min(minvals[idx], x);}dump(g << " " << minvals);if (minvals.size() > 1) {ll minval = A + 1, tot = 0;for (auto p : minvals) {minval = min(minval, p.second);tot += p.second;}res += (tot - minval) * minval / g;ll x0 = buckets[g][0];for (auto x : buckets[g]) uf.uni(x, x0);}}return res;}int main() {cout << fixed << setprecision(12);cout << solve() << endl;}