Submission #499294

#	Time	Username	Problem	Language	Result	Execution time	Memory
499294		inksamurai	Nivelle (COCI20_nivelle)	C++17	24 / 110	1087 ms	716 KiB

nivelle

#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define rep(i,n) for(int i=0;i<n;i++)
#define crep(i,x,n) for(int i=x;i<n;i++)
#define drep(i,n) for(int i=n-1;i>=0;i--)
#define vec(...) vector<__VA_ARGS__>
#define _3qplfh5 ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
using pii=pair<int,int>;
using vi=vector<int>;
using vll=vector<long long>;

int main(){
_3qplfh5;
	int n;
	cin>>n;
	vi a(n);
	rep(i,n){
		char ch;
		cin>>ch;
		a[i]=ch-'a';
	}
	ld ans=1e9;
	pii p={-1,-1};
	rep(i,n){
		set<char> ch;
		crep(j,i,n){
			ch.insert(a[j]);
			ld x=sz(ch),y=j-i+1;
			if(x/y<ans){
				ans=x/y;
				p={i,j};
			}
		}
	}
	cout<<p.fi+1<<" "<<p.se+1<<"\n";
//	
	return 0;
}

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