// Muallif: Mansuraliyev Husanboy Murotali o'g'li >> NamPS
#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define ios ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define all(a) a.begin(), a.end()
#define F first
#define S second
#define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
#define fm(a,i,c) for(int (a) = (i); (a) >= (c); (a)--)
#define vii vector<int>
#define vll vector<ll>
// 0-9 >> 48-57; A-Z>>65-90 and a-z>>97-122 respectively;
void solve(){
int n; ll x; cin>>n>>x;
ll a[n];
for(int i=0;i<n;i++) cin>>a[i];
if(x==0){
set<int> st;
set<int>::iterator it;
for(int i=0; i<n; i++) {
it = st.lower_bound(a[i]);
if (it != st.end()) st.erase(it);
st.insert(a[i]);
}
cout<<st.size()<<endl;
// for(auto u:st) cout<<u<<" ";
return;
}
if(x==1e9){
vector<int> l,r;
set<int> st;
set<int>::iterator it;
for(int i=0; i<n; i++) {
it = st.lower_bound(a[i]);
if (it != st.end()) st.erase(it);
st.insert(a[i]);
l.push_back(st.size());
}
st.clear(); int ans=0;
reverse(a,a+n);
for(int i=0; i<n; i++) {
it = st.lower_bound(-a[i]);
if (it != st.end()) st.erase(it);
st.insert(-a[i]);
r.push_back(st.size());
}
reverse(all(r));
r.push_back(0);
for(int i=0;i<n;i++){
ans=max(l[i]+r[i+1],ans);
}
cout<<ans<<"\n";return;
}
int ans=0;
for(int j=0;j<n;j++){
for(int i=0;i<j;i++){
a[i]-=x;
}
set<int> st;
set<int>::iterator it;
st.clear();
for(int i=0; i<n; i++) {
it = st.lower_bound(a[i]);
if (it != st.end()) st.erase(it);
st.insert(a[i]);
}
ans=max(ans,int(st.size()));
//cout<<j<<": "<<st.size()<<"\n";
for(int i=0;i<j;i++) a[i]+=x;
}
cout<<ans<<"\n";
}
int main(){
ios;
// int t; cin>>t; while(t--)
solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
116 ms |
304 KB |
Output is correct |
20 |
Correct |
99 ms |
308 KB |
Output is correct |
21 |
Correct |
102 ms |
312 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
106 ms |
340 KB |
Output is correct |
24 |
Correct |
80 ms |
340 KB |
Output is correct |
25 |
Correct |
76 ms |
356 KB |
Output is correct |
26 |
Correct |
75 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
66 ms |
1884 KB |
Output is correct |
2 |
Correct |
61 ms |
1876 KB |
Output is correct |
3 |
Correct |
51 ms |
1876 KB |
Output is correct |
4 |
Correct |
52 ms |
1908 KB |
Output is correct |
5 |
Correct |
60 ms |
6468 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2070 ms |
720 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
44 ms |
2264 KB |
Output is correct |
2 |
Correct |
46 ms |
3156 KB |
Output is correct |
3 |
Correct |
94 ms |
6064 KB |
Output is correct |
4 |
Correct |
108 ms |
9484 KB |
Output is correct |
5 |
Correct |
51 ms |
4792 KB |
Output is correct |
6 |
Correct |
81 ms |
9188 KB |
Output is correct |
7 |
Correct |
87 ms |
10084 KB |
Output is correct |
8 |
Correct |
36 ms |
3104 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
116 ms |
304 KB |
Output is correct |
20 |
Correct |
99 ms |
308 KB |
Output is correct |
21 |
Correct |
102 ms |
312 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
106 ms |
340 KB |
Output is correct |
24 |
Correct |
80 ms |
340 KB |
Output is correct |
25 |
Correct |
76 ms |
356 KB |
Output is correct |
26 |
Correct |
75 ms |
340 KB |
Output is correct |
27 |
Correct |
66 ms |
1884 KB |
Output is correct |
28 |
Correct |
61 ms |
1876 KB |
Output is correct |
29 |
Correct |
51 ms |
1876 KB |
Output is correct |
30 |
Correct |
52 ms |
1908 KB |
Output is correct |
31 |
Correct |
60 ms |
6468 KB |
Output is correct |
32 |
Execution timed out |
2070 ms |
720 KB |
Time limit exceeded |
33 |
Halted |
0 ms |
0 KB |
- |