Submission #866914

#	Time	Username	Problem	Language	Result	Execution time	Memory
866914		epicci23	Lampice (COCI21_lampice)	C++17	50 / 50	1 ms	604 KiB

Main

#include "bits/stdc++.h"
using namespace std;
#define pb push_back
#define endl "\n" 
#define int long long
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(),(x).end()

void solve(){

	int n,k;
	cin >> n >> k;
   
   int ar[n+1];
   for(int i=1;i<=n;i++) cin >> ar[i];

   for(int l=1;l<=n;l++){
   	for(int r=n;r>=l;r--){

   	  if((r-l+1)%k) continue;
   	  bool ok=1;
   	  int u=(r-l+1)/k;

   	  for(int x=l;x+u<=r;x+=u)
        for(int j=x;j<=x+u-1;j++)
          if(ar[j]!=ar[j+u]) ok=0;
   	  
   	  if(ok){
   	    cout << u << endl;
        for(int j=l;j<l+u;j++) cout << ar[j] << " \n"[j==l+u-1];
   	    return;
   	  }
   	}
   }

   cout << -1 << endl;
}

int32_t main(){

  cin.tie(0); ios::sync_with_stdio(0);
  
  int t=1;//cin >> t;
  while(t--) solve();

  return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:25:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   25 |         for(int j=x;j<=x+u-1;j++)
      |         ^~~
Main.cpp:28:7: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   28 |       if(ok){
      |       ^~

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