Submission #722885

#	Time	Username	Problem	Language	Result	Execution time	Memory
722885		vjudge1	Doktor (COCI17_doktor)	C++14	100 / 100	185 ms	45920 KiB

doktor

#include<bits/stdc++.h>
 
#pragma GCC optimize("O3")
#pragma GCC target("tune=native")
#pragma GCC optimize("unroll-loops")
 
using namespace std;
template<class A, class B>
ostream& operator<<(ostream& os, const pair<A, B> &p) {
  os << '(' << p.first << ',' << p.second << ')';
  return os;
}
template<class T>
ostream& operator<<(ostream& os, const vector<T> &v) {
  os << '{';
  bool osu = 1;
  for(auto &i : v) { if(!osu) os << ','; os << i; osu = 0; }
  os << '}';
  return os;
}
template<class T,long long unsigned int size>
ostream& operator<<(ostream& os, const array<T,size> &arr) {
  os << '{';
  bool osu = 1;
  for(auto &i : arr) { if(!osu) os << ','; os << i; osu = 0; }
  os << '}';
  return os;
}
 
#define ll long long
#define ull unsigned long long
#define lll __int128
#define rep(i,n,N) for(int i=(n);i<=(N);++i)
#define For(i,n,N) for(int i=(n);i< (N);++i)
#define rap(i,n,N) for(int i=(n);i>=(N);--i)
#define rip(i,n,N,V) for(int i=(n);i<=(N);i+=V)
#define mp make_pair
#define pb push_back
#define pob pop_back
#define pf push_front
#define pof pop_front
//#define le left
//#define ri right
#define fi first
#define se second
#define ff fi.fi
#define fs fi.se
#define sf se.fi
#define ss se.se
#define lc (id<<1)
#define rc ((id<<1)|1)
#define debug(x) cout << #x << " -> " << (x) << endl
#define out(x,y) cout << ">> " << (x) << " " << (y) << endl
#define ou3(x,y,z) cout << ">> " << (x) << " " << (y) << " " << (z) << endl
#define mems(x,y) memset(&x,y,sizeof x)
#define memsv(x,y) memset(&x[0], y, sizeof(x[0]) * x.size())
#define popcount __builtin_popcountll
#define clz(x) (1<<(31-__builtin_clz(x)))
#define clzll(x) (1LL<<(63-__builtin_clzll(x)))
#define all(x) x.begin(),x.end()
#define rsort(x) sort(x), reverse(x)
#define revsort(a,b) sort(a,b), reverse(a,b)
#define PQ(T) priority_queue<T>
#define PQr(T) priority_queue<T, vector<T>, greater<T>>
#define permute(x) while(next_permutation(all(x)))
#define vi vector<int>
#define vvi vector<vi>
#define vii vector<pii>
#define vll vector<ll>
#define vlll vector<pll>
#define vvll vector<vll>
#define ari(x) array<int,x>
#define arll(x) array<ll,x>
#define ard(x) array<double,x>
#define pii pair<int,int> 
#define pll pair<ll,ll>
#define plll pair<ll,pll>
#define pllll pair<pll,pll>
#define piii pair<int,pii>
#define piiii pair<pii,pii>
#define psi pair<string,int>
#define endl '\n'
const int MAX = 1e6+5;
const int MOD = 1000000007;
const ll MOD2 = 2010405347;
const ll INF = 2e18;
const int dr[]={1,-1,0,0,1,1,-1,-1};
const int dc[]={0,0,-1,1,1,-1,1,-1};
const double pi = acos(-1);
const double EPS = 1e-9;
const int block = 500;
inline ll pw(ll x,ll y,ll md=MOD){ll ret=1;x%=md;while(y){if(y&1)ret=ret*x%md;x=x*x%md,y>>=1;}return ret;}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int n,x[MAX],y[MAX],val,ans,a,b;
vi v[MAX];

int main(){
//	cout<<fixed<<setprecision(10);
//	freopen("input.txt", "r", stdin);
//	freopen("output.txt","w",stdout);
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	cin>>n;
	rep(i,1,n){
		cin>>x[i];
		y[i] = y[i-1]+(x[i]==i);
		// x[i]+i = (i-x[i]) + 2*i, jarak + correction
		v[x[i]+i].pb(min(x[i],i));
	}
	ans = 0, a = b = 1;
	n*= 2;
	rep(i,1,n)if(v[i].size()){
		rsort(all(v[i]));
		val = 0;
		for(int j:v[i]){
			++val;
			if(val - (y[i-j]-y[j-1]) > ans){
				ans = val - (y[i-j]-y[j-1]);
				a = j, b = i-j;
			}
		}
	}
	cout<<x[a]<<" "<<x[b]<<endl;
	return 0;
}

• 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