Submission #844599

#	Time	Username	Problem	Language	Result	Execution time	Memory
844599		vjudge1	Nivelle (COCI20_nivelle)	C++11	0 / 110	1056 ms	600 KiB

nivelle

#include <bits/stdc++.h>
#define lg(a) (31 - __builtin_clz((a)))
#define endl ("\n")
#define pb push_back
#define mp make_pair
#define lb lower_bound
#define ub upper_bound
#define vi vector<int>
#define all(aa) aa.begin(), aa.end()
#define forn(i, n) for(int i=0;i<n;i++)
#define trav(e, x) for(auto& e:x)
#define until(n, v) (int) (lower_bound(v.begin(), v.end(), n)-v.begin()) //# of elements < n
#define after(n, v) (int) (v.end()-upper_bound(v.begin(), v.end(), n))   //# of elements > n
#define sameas(n, v) (int) (upper_bound(v.begin(), v.end(), n) - lower_bound(v.begin(), v.end(), n)) //# of elements ==n
typedef long long ll;

using namespace std;
/*

*/




void solve(){
	int n; cin>>n;
	string s; cin>>s;
	multiset<char> let;
	set<char> cnt;
	double average=1;
	int L=0, R=n-1;
	for(int i=0;i<n;i++){
		let.clear(); cnt.clear();
		for(int j=0;j<=i;j++){
			let.insert(s[j]);
			cnt.insert(s[j]);
		}
		if(average > ((double) cnt.size())/(i+1)){
			L = 0, R = i;
			average = ((double) cnt.size())/(i+1);
		}
		for(int j=1;j+i<n;j++){
			let.erase(s[j-1]);
			if(let.count(s[j-1])==0) cnt.erase(s[j-1]);
			let.insert(s[j+i]);
			cnt.insert(s[i+j]);
			if(average > ((double) cnt.size())/(i+1)){
				L = j, R = i+j;
				average = ((double) cnt.size())/(i+1);
			}
		}
	}
	cout<<L+1<<' '<<R+1<<endl;

}

int main(){
	solve();
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 17
• Subtask 3: 0 / 13
• Subtask 4: 0 / 25
• Subtask 5: 0 / 48