oj.uz

Submission #1065177

# Submission time Handle Problem Language Result Execution time Memory
1065177 2024-08-19T02:44:03 Z ezGeometry Sirni (COCI17_sirni) C++14
0 / 140
 1081 ms 154012 KB 
#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <tuple>

using namespace std;
using ll = long long;

int n;
vector<int> parent, sizes;
int cc;

void init() {
	parent.resize(n);
	sizes.resize(n);

	cc = n;

	for (int i = 0; i < n; i++) {
		parent[i] = i;
		sizes[i] = 1;
	}
}

int find_set(int a) {
	if (parent[a] == a) {
		return a;
	}
	return parent[a] = find_set(parent[a]);
}

void join_set(int a, int b) {
	a = find_set(a);
	b = find_set(b);
	if (a == b) {
		return;
	}

	if (sizes[a] > sizes[b]) {
		swap(a, b);
	}

	cc--;
	parent[a] = b;
	sizes[b] += sizes[a];
}

int main() {
	cin >> n;

	set<int> q;
	int mp = 0;

	for (int i = 0; i < n; i++) {
		int x;
		cin >> x;
		q.insert(x);
		mp = max(mp, x);
	}

	vector<int> p;

	for (int c : q) {
		p.push_back(c);
	}
	n = p.size();

	vector<tuple<int, int, int>> edges;

	for (int j = 0; j < n; j++) {
		int c = p[j];
		auto it1 = upper_bound(p.begin(), p.end(), c);
		edges.push_back(make_tuple(*it1 % c, j, it1 - p.begin()));

		for (int i = c; i <= mp; i += c) {
			auto it = lower_bound(p.begin(), p.end(), i);
			edges.push_back(make_tuple(*it % c, j, it - p.begin()));
		}
	}

	sort(edges.begin(), edges.end());

	ll ans = 0;
	init();

	for (auto c : edges) {
		ll w, a, b;
		tie(w, a, b) = c;

		if (find_set(a) == find_set(b)) {
			continue;
		}

		join_set(a, b);
		ans += w;
		
		if (cc == 1) {
			break;
		}
	}

	cout << ans << endl;

	return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 600 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 248 ms 30264 KB Output is correct
2 Incorrect 796 ms 104172 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 35 ms 6888 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 480 ms 54812 KB Output is correct
2 Runtime error 1081 ms 154012 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 9792 KB Output is correct
2 Correct 991 ms 103664 KB Output is correct
3 Incorrect 334 ms 54808 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 293 ms 30476 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 336 ms 58776 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 42 ms 7872 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -