Submission #524928

#	Time	Username	Problem	Language	Result	Execution time	Memory
524928		Ziel	Diversity (CEOI21_diversity)	C++17	Compilation error	0 ms	0 KiB

diversity

#include <bits/stdc++.h>
using namespace std;

using ll = long long;
#define sz(x) (int)x.size()

signed main() {
	ios_base::sync:with_stdio(false);
	cin.tie(nullptr);

	int n, q;
	cin >> n >> q;
	vector<int> a(n + 1);
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	sort(a.begin() + 1, a.end());
	int _, __;
	cin >> _ >> __;
	ll ans = -1;
	do {
		ll cur = 0;
		for (int l = 1; l <= n; l++) {
			set<int> s;
			for (int r = l; r <= n; r++) {
				s.insert(a[r]);
				cur += sz(s);
			}
		}
		if (ans == -1)
			ans = cur;
		ans = min(ans, cur);
	} while (next_permutation(a.begin() + 1, a.end()));
	cout << ans;
	return 0;
}

Compilation message (stderr)

diversity.cpp: In function 'int main()':
diversity.cpp:8:16: error: found ':' in nested-name-specifier, expected '::'
    8 |  ios_base::sync:with_stdio(false);
      |                ^
      |                ::
diversity.cpp:8:12: error: 'std::ios_base::sync' has not been declared
    8 |  ios_base::sync:with_stdio(false);
      |            ^~~~