Submission #572457

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
572457	2022-06-04T12:21:29 Z	valerikk	Diversity (CEOI21_diversity)	C++17	14 / 100	7000 ms	2172 KB

diversity

#include <bits/stdc++.h>

using namespace std;

int cnt[300001];

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);

	int n, Q;
	cin >> n >> Q;

	vector<int> a(n);
	for (int i = 0; i < n; ++i) {
		cin >> a[i];
	}

	for (int i = 0; i < n; ++i) {
		++cnt[a[i]];
	}

	vector<int> x;
	for (int i = 1; i <= 300000; ++i) {
		if (cnt[i] > 0) 
			x.push_back(cnt[i]);
	}

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

	int k = x.size();

	long long ans = 1e18;
	do {
		long long cur = n * 1ll * (n + 1) / 2 * k;
		long long sum = 0;
		for (int i = 0; i < k; ++i) {
			cur -= sum * (sum + 1) / 2;
			sum += x[i];
		}
		sum = 0;
		for (int i = k - 1; i >= 0; --i) {
			cur -= sum * (sum + 1) / 2;
			sum += x[i];
		}
		ans = min(ans, cur);
	} while (next_permutation(x.begin(), x.end()));

	cout << ans << endl;

	return 0;
}

Subtask #1
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	312 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	3 ms	340 KB	Output is correct
4	Correct	15 ms	832 KB	Output is correct
5	Correct	131 ms	1508 KB	Output is correct
6	Correct	1374 ms	2172 KB	Output is correct
7	Correct	1358 ms	2104 KB	Output is correct
8	Correct	1355 ms	2132 KB	Output is correct
9	Correct	1340 ms	2132 KB	Output is correct
10	Correct	1407 ms	2156 KB	Output is correct
11	Correct	1348 ms	2140 KB	Output is correct
12	Correct	1338 ms	2168 KB	Output is correct
13	Correct	1332 ms	2140 KB	Output is correct
14	Correct	1338 ms	2144 KB	Output is correct
15	Correct	1345 ms	2132 KB	Output is correct

Subtask #3
0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	3 ms	340 KB	Output is correct
4	Correct	15 ms	832 KB	Output is correct
5	Correct	131 ms	1508 KB	Output is correct
6	Correct	1374 ms	2172 KB	Output is correct
7	Correct	1358 ms	2104 KB	Output is correct
8	Correct	1355 ms	2132 KB	Output is correct
9	Correct	1340 ms	2132 KB	Output is correct
10	Correct	1407 ms	2156 KB	Output is correct
11	Correct	1348 ms	2140 KB	Output is correct
12	Correct	1338 ms	2168 KB	Output is correct
13	Correct	1332 ms	2140 KB	Output is correct
14	Correct	1338 ms	2144 KB	Output is correct
15	Correct	1345 ms	2132 KB	Output is correct
16	Correct	2192 ms	308 KB	Output is correct
17	Execution timed out	7054 ms	340 KB	Time limit exceeded
18	Halted	0 ms	0 KB	-

Subtask #4
0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	3 ms	340 KB	Output is correct
4	Correct	15 ms	832 KB	Output is correct
5	Correct	131 ms	1508 KB	Output is correct
6	Correct	1374 ms	2172 KB	Output is correct
7	Correct	1358 ms	2104 KB	Output is correct
8	Correct	1355 ms	2132 KB	Output is correct
9	Correct	1340 ms	2132 KB	Output is correct
10	Correct	1407 ms	2156 KB	Output is correct
11	Correct	1348 ms	2140 KB	Output is correct
12	Correct	1338 ms	2168 KB	Output is correct
13	Correct	1332 ms	2140 KB	Output is correct
14	Correct	1338 ms	2144 KB	Output is correct
15	Correct	1345 ms	2132 KB	Output is correct
16	Correct	2192 ms	308 KB	Output is correct
17	Execution timed out	7054 ms	340 KB	Time limit exceeded
18	Halted	0 ms	0 KB	-

Subtask #5
0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	312 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	328 KB	Output is correct
13	Correct	3 ms	340 KB	Output is correct
14	Correct	15 ms	832 KB	Output is correct
15	Correct	131 ms	1508 KB	Output is correct
16	Correct	1374 ms	2172 KB	Output is correct
17	Correct	1358 ms	2104 KB	Output is correct
18	Correct	1355 ms	2132 KB	Output is correct
19	Correct	1340 ms	2132 KB	Output is correct
20	Correct	1407 ms	2156 KB	Output is correct
21	Correct	1348 ms	2140 KB	Output is correct
22	Correct	1338 ms	2168 KB	Output is correct
23	Correct	1332 ms	2140 KB	Output is correct
24	Correct	1338 ms	2144 KB	Output is correct
25	Correct	1345 ms	2132 KB	Output is correct
26	Correct	2192 ms	308 KB	Output is correct
27	Execution timed out	7054 ms	340 KB	Time limit exceeded
28	Halted	0 ms	0 KB	-

Subtask #6
0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	312 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	328 KB	Output is correct
13	Correct	3 ms	340 KB	Output is correct
14	Correct	15 ms	832 KB	Output is correct
15	Correct	131 ms	1508 KB	Output is correct
16	Correct	1374 ms	2172 KB	Output is correct
17	Correct	1358 ms	2104 KB	Output is correct
18	Correct	1355 ms	2132 KB	Output is correct
19	Correct	1340 ms	2132 KB	Output is correct
20	Correct	1407 ms	2156 KB	Output is correct
21	Correct	1348 ms	2140 KB	Output is correct
22	Correct	1338 ms	2168 KB	Output is correct
23	Correct	1332 ms	2140 KB	Output is correct
24	Correct	1338 ms	2144 KB	Output is correct
25	Correct	1345 ms	2132 KB	Output is correct
26	Correct	2192 ms	308 KB	Output is correct
27	Execution timed out	7054 ms	340 KB	Time limit exceeded
28	Halted	0 ms	0 KB	-

Submission #572457

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 10.0 / 10.0

Subtask #3 0 / 8.0

Subtask #4 0 / 16.0

Subtask #5 0 / 26.0

Subtask #6 0 / 36.0

Subtask #1
4.0 / 4.0

Subtask #2
10.0 / 10.0

Subtask #3
0 / 8.0

Subtask #4
0 / 16.0

Subtask #5
0 / 26.0

Subtask #6
0 / 36.0