Submission #557367

#	Time	Username	Problem	Language	Result	Execution time	Memory
557367		new_acc	Lampice (COCI21_lampice)	C++14	50 / 50	1 ms	340 KiB

Main

#include<bits/stdc++.h>
#define fi first
#define se second
#define pitem item*
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=1e6+10;
const int SS=1<<19;
const int INFi=2e9;
const ll INFl=1e13;
const ll mod2=998244353;
const ll mod=1e9+7;
const ll mod3=1000696969;
const ll p=70032301;
const ull p2=913;
const int L=20;
int t[N];
void solve(){
    int n,k;
    cin>>n>>k;
    for(int i=1;i<=n;i++) cin>>t[i];
    for(int i=1;i<=n;i++){
        for(int i2=i;i2<=n;i2++){
            if((i2-i+1)%k) continue;
            int dl=(i2-i+1)/k;
            bool ok=1;
            for(int xd=i+dl;xd<=i2;xd++)
                if(t[xd]!=t[xd-dl]) ok=0;
            if(ok){
                cout<<dl<<"\n";
                for(int xd=i;xd<i+dl;xd++) cout<<t[xd]<<" ";
                cout<<"\n";
                return;
            }
        }
    }
    cout<<-1<<"\n";
}
int main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    int tt=1;
    while(tt--) solve();
}

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