Submission #166786

#	Time	Username	Problem	Language	Result	Execution time	Memory
166786		muhi1112	Doktor (COCI17_doktor)	C++17	100 / 100	289 ms	45176 KiB

doktor

#include <bits/stdc++.h>
using namespace std;
 
#define endl '\n'
#define f1 first
#define s2 second
#define pb push_back
#define mp make_pair
#define ll long long
#define fri(a) freopen(a,"r",stdin);
#define fro(a) freopen(a,"w",stdout);
const int N=5e5+5;

int n,ans1,ans,maxl,maxr,l,r;

int main(){
	//fri("in.txt");
	//fro("out.txt");
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin>>n;
	vector<int>v[2*n+5],pre(n+5,0),dizi(n+5);
	for(int i=1;i<=n;i++){
		cin>>dizi[i];
		v[dizi[i]+i].pb(abs(dizi[i]-i));
		if(dizi[i]==i)pre[i]++;
	}
	for(int i=1;i<=n;i++){
		pre[i]+=pre[i-1];
		//cout<<pre[i]<<endl;
	}
	for(int i=0;i<=2*n;i++){
		sort(v[i].begin(),v[i].end());
		for(int j=0;j<v[i].size();j++){
			l=(i-v[i][j])/2;
			r=(i+v[i][j])/2;
			ans1=j+pre[l]+pre[n]-pre[r];
			//cout<<l<<" "<<r<<" "<<ans1<<endl;
			if(ans1>ans){
				maxl=l;
				maxr=r;
				ans=ans1;
			}
		}
	}
	cout<<dizi[maxl]<<" "<<dizi[maxr]<<endl;
return 0;
}

Compilation message (stderr)

doktor.cpp: In function 'int main()':
doktor.cpp:34:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0;j<v[i].size();j++){
               ~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10