#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;
int qtd[maxn];
void backtracking(int i, deque<int> const& d){
if(i == n){
for(int i=0;i<n;i++)
v[i] = d[i];
memset(dp, 0, sizeof dp);
memset(dp2, 0, sizeof dp2);
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];
}
qtd[a] += b;
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=n;i>=1;i--){
if(qtd[i] > 0){
cout << i << " " << qtd[i] << "\n";
return 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 time |
Memory |
Grader output |
1 |
Incorrect |
896 ms |
428 KB |
Output isn't correct |
2 |
Incorrect |
901 ms |
424 KB |
Output isn't correct |
3 |
Incorrect |
822 ms |
428 KB |
Output isn't correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
849 ms |
412 KB |
Output is correct |
6 |
Correct |
616 ms |
412 KB |
Output is correct |
7 |
Execution timed out |
1044 ms |
9932 KB |
Time limit exceeded |
8 |
Execution timed out |
1040 ms |
9944 KB |
Time limit exceeded |
9 |
Execution timed out |
1056 ms |
9920 KB |
Time limit exceeded |
10 |
Execution timed out |
1072 ms |
9948 KB |
Time limit exceeded |
11 |
Runtime error |
70 ms |
3136 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
12 |
Runtime error |
62 ms |
2680 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
13 |
Runtime error |
49 ms |
2552 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
14 |
Runtime error |
108 ms |
2716 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
15 |
Runtime error |
78 ms |
3320 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
16 |
Runtime error |
107 ms |
3704 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
17 |
Runtime error |
79 ms |
3740 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
18 |
Runtime error |
110 ms |
3804 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
19 |
Runtime error |
98 ms |
3708 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
20 |
Runtime error |
70 ms |
3856 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |