結果

問題 No.1917 LCMST
ユーザー ir5
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
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 4 WA * 38
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#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; }
#endif
struct 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;
}
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