Submission #881880

#	Time	Username	Problem	Language	Result	Execution time	Memory
881880		TAhmed33	Diversity (CEOI21_diversity)	C++98	0 / 100	7053 ms	600 KiB

diversity

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 3e5 + 25;
int n, a[MAXN], q;
int main () {
	cin >> n >> q;
	for (int i = 1; i <= n; i++) cin >> a[i];
	while (q--) {
		int l, r;
		cin >> l >> r;
		ll mn = 1e18;
		do {
			ll sum = 0;
			for (int i = 1; i <= n; i++) {
				set <int> dd;
				for (int j = i; j <= n; j++) {
					dd.insert(a[j]);
					sum += dd.size();
				}
			}
			mn = min(mn, sum);
		} while (next_permutation(a + 1, a + n + 1));
		cout << mn << '\n';
	}
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 10
• Subtask 3: 0 / 8
• Subtask 4: 0 / 16
• Subtask 5: 0 / 26
• Subtask 6: 0 / 36