Submission #746464

#	Time	Username	Problem	Language	Result	Execution time	Memory
746464		sword060	Lampice (COCI21_lampice)	C++17	50 / 50	1 ms	340 KiB

Main

#include <bits/stdc++.h>
using namespace std;
int main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int x,k;cin>>x>>k;
	int a[x+1],mx=-1e9,l=1,r=1;
	for(int i=1;i<=x;i++)cin>>a[i];
	for(int i=1;i<=x;i++){
		for(int j=i;j<=x;j++){
			int p=j-i+1;
			for(int s=p-1;s>=1;s--){
				if(p%s||p/s<k)continue;
				bool f=1;
				for(int z=i+s;z<=j;z++)
					f&=(a[z]==a[z-s]);
				if(f){
					if(mx<s){
						mx=s;l=i;r=i+s-1;
					}
					break;
				}
			}
		}
	}
	if(mx==-1e9){
		cout<<-1;
		return 0;
	}
	cout<<mx<<"\n";
	for(int i=l;i<=r;i++)cout<<a[i]<<" ";
	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 25 / 25