Submission #98504

#TimeUsernameProblemLanguageResultExecution timeMemory
98504thiago4532Zoltan (COCI16_zoltan)C++17
21 / 140
1079 ms10060 KiB
#include <bits/stdc++.h>
// #define int int64_t
#define int uint_fast32_t
 
using namespace std;
const int maxn = 1010;
int v[maxn], dp[maxn], dp2[maxn], i;
deque<int> dq;
int ct=0, n;
 
void backtracking(int i, deque<int> const& d){
	if(i == n){
		if(d == dq) ct++;
		return;
	}
 
	deque<int> d1 = d, d2 = d;
	d1.push_back(v[i]);
	d2.push_front(v[i]);
	backtracking(i+1, d1);
	backtracking(i+1, d2);
}
 
int lis(){
	
	vector<int> pilha;
	
	for(int i=0; i<n; i++){
		vector<int>::iterator it = lower_bound(pilha.begin(), pilha.end(), v[i]);
		if(it==pilha.end()) pilha.push_back(v[i]);
		else *it = v[i];
	}
	
	return pilha.size();
}
 
int32_t main(){
	cin >> n;
 
	int aux;
	cin >> aux;
	dq.push_back(aux);
 
	for(int i=2;i<=n;i++){
		int x;
		cin >> x;
		if(x <= dq[0]) dq.push_front(x);
		else dq.push_back(x);
	}
	for(int i=0;i<n;i++)
		v[i] = dq[i];

	backtracking(1, deque<int>({v[0]}));
	
	//for(int i=0;i<n;i++)
	//	cin >> v[i];


	dp[0] = 1;
	dp2[0] = 1;

	for(int i = 1; i < n; i++){
		dp[i] = dp2[i] = 1;

		for(int j = 0; j < i; j++)
			if(v[j] < v[i]) dp[i] = max(dp[i], dp[j] + 1);

		if(dp[i] == 1) continue;

		dp2[i] = 0;
		for(int j = 0; j < i; j++)
			if(v[j] < v[i] && dp[j] + 1 == dp[i]) dp2[i] += dp2[j];
	}

	int a = 0, b = 0;

	for(int i=0;i<n;i++){
		if(dp[i] > a){
			a = dp[i];
		}
	}
	for(int i=0;i<n;i++){
		if(dp[i] == a) b += dp2[i];
	}
	cout << a << " " << b*ct << "\n";
	//cout << "Count: " << ct << "\n";
	return 0;
}
#Verdict Execution timeMemoryGrader output
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