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Submission #195582

# Submission time Handle Problem Language Result Execution time Memory
195582 2020-01-16T13:16:46 Z dolphingarlic Sirni (COCI17_sirni) C++14
42 / 140
 5000 ms 620804 KB 
#include <bits/stdc++.h>
using namespace std;

int a[100001];
set<pair<int, pair<int, int>>> edges;

int cmp[100001];
int find(int A) {
	while (A != cmp[A]) cmp[A] = cmp[cmp[A]], A = cmp[A];
	return A;
}
void onion(int A, int B) {
	cmp[find(A)] = cmp[find(B)];
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n;
	cin >> n;
	set<int> s;
	for (int i = 0; i < n; i++) {
		int x;
		cin >> x;
		s.insert(x);
	}
	n = 0;
	for (int i : s) a[n++] = i;

	for (int i = 0; i < n; i++) {
		if (i != n - 1) edges.insert({a[i + 1] - a[i], {i, i + 1}});
		int lb = i + 1;
		for (int j = 2 * a[i]; j <= a[n - 1]; j += a[i]) {
			while (a[lb] < j) lb++;
			edges.insert({a[lb] - j, {i, lb}});
		}
	}
	
	for (int i = 0; i < n; i++) cmp[i] = i;
	long long ans = 0;
	for (pair<int, pair<int, int>> e : edges) {
		if (find(e.second.first) != find(e.second.second)) {
			ans += e.first;
			onion(e.second.first, e.second.second);
		}
	}
	cout << ans;
	return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 888 KB Output is correct
2 Execution timed out 5104 ms 173800 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 888 KB Output is correct
2 Execution timed out 5086 ms 620804 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 760 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 6 ms 1016 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2314 ms 72532 KB Output is correct
2 Correct 4787 ms 268100 KB Output is correct
3 Correct 2817 ms 142048 KB Output is correct

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 166 ms 12580 KB Output is correct
2 Correct 4035 ms 141872 KB Output is correct
3 Correct 1754 ms 72740 KB Output is correct

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3460 ms 152084 KB Output is correct
2 Execution timed out 5048 ms 373768 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 436 ms 25712 KB Output is correct
2 Execution timed out 5079 ms 343560 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3290 ms 90400 KB Output is correct
2 Execution timed out 5077 ms 344940 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4014 ms 122648 KB Output is correct
2 Execution timed out 5115 ms 319732 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 258 ms 13364 KB Output is correct
2 Execution timed out 5070 ms 241272 KB Time limit exceeded
3 Halted 0 ms 0 KB -