제출 #844363

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
844363		vjudge1	Nivelle (COCI20_nivelle)	C++17	24 / 110	1063 ms	21336 KiB

nivelle

#include <bits/stdc++.h>
using namespace std;
#define int long long
void solve(){
	int n;cin >> n;
	int cnt[n+1][26],arr[n+1];
	memset(cnt , 0 , sizeof(cnt));
	for(int i = 1;i<=n;i++){
		char ch;cin >> ch;
		arr[i] = ch - 'a';
		cnt[i][arr[i]]++;
		for(int j = 0;j<26;j++){
			cnt[i][j] += cnt[i-1][j];
		}
	}
	int pay = 2*n , payda = 1 , l = 1 , r = 1;
	for(int i = 1;i<=n;i++){
		for(int j = i;j<=n;j++){
			int dif = 0 , len = j - i + 1;
			for(int k = 0;k<26;k++)dif += (cnt[j][k] - cnt[i-1][k]) > 0;
			if(pay * len > dif * payda){
				pay = dif;
				payda = len;
				l = i;
				r = j;
			}
		}
	}
	cout << l << " " << r << endl;
}
signed main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	int testcase = 1;//cin >> testcase;
	while(testcase--)solve();
}

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