#include<bits/stdc++.h>
#define int long long
using namespace std;
int n,x, arr[200200], p, dp[200200], ans;
signed main(){
cin.tie(nullptr)->sync_with_stdio(false);
cin >> n >> x;
for(int i = 0; i<n; ++i) cin >> arr[i];
if(x == 0){
for(int i = 0; i<n; ++i){
int idx = lower_bound(dp, dp+p, arr[i]) - dp;
if(idx == p) ++p;
dp[idx] = arr[i];
}
cout << p;
return 0;
}
for(int d = -x; d<=x; ++d){
for(int i = 0; i<n; ++i){
for(int j = i; j<n; ++j){
memset(dp, 0, sizeof(dp)); p = 0;
for(int k = 0; k<n; ++k){
int a = arr[k];
if(k <= j && k >= i) a+=d;
int idx = lower_bound(dp, dp+p, a) - dp;
if(idx == p) p++;
dp[idx] = a;
}
ans = max(ans, p);
}
}
}
cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
26 ms |
2648 KB |
Output is correct |
2 |
Correct |
8 ms |
2652 KB |
Output is correct |
3 |
Correct |
3 ms |
2652 KB |
Output is correct |
4 |
Correct |
9 ms |
2696 KB |
Output is correct |
5 |
Correct |
7 ms |
2648 KB |
Output is correct |
6 |
Correct |
3 ms |
2652 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
19 ms |
2688 KB |
Output is correct |
10 |
Correct |
8 ms |
2652 KB |
Output is correct |
11 |
Correct |
30 ms |
2684 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
26 ms |
2648 KB |
Output is correct |
2 |
Correct |
8 ms |
2652 KB |
Output is correct |
3 |
Correct |
3 ms |
2652 KB |
Output is correct |
4 |
Correct |
9 ms |
2696 KB |
Output is correct |
5 |
Correct |
7 ms |
2648 KB |
Output is correct |
6 |
Correct |
3 ms |
2652 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
19 ms |
2688 KB |
Output is correct |
10 |
Correct |
8 ms |
2652 KB |
Output is correct |
11 |
Correct |
30 ms |
2684 KB |
Output is correct |
12 |
Correct |
960 ms |
2900 KB |
Output is correct |
13 |
Correct |
1 ms |
2392 KB |
Output is correct |
14 |
Execution timed out |
2064 ms |
2652 KB |
Time limit exceeded |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
26 ms |
2648 KB |
Output is correct |
2 |
Correct |
8 ms |
2652 KB |
Output is correct |
3 |
Correct |
3 ms |
2652 KB |
Output is correct |
4 |
Correct |
9 ms |
2696 KB |
Output is correct |
5 |
Correct |
7 ms |
2648 KB |
Output is correct |
6 |
Correct |
3 ms |
2652 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
19 ms |
2688 KB |
Output is correct |
10 |
Correct |
8 ms |
2652 KB |
Output is correct |
11 |
Correct |
30 ms |
2684 KB |
Output is correct |
12 |
Correct |
960 ms |
2900 KB |
Output is correct |
13 |
Correct |
1 ms |
2392 KB |
Output is correct |
14 |
Execution timed out |
2064 ms |
2652 KB |
Time limit exceeded |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
26 ms |
3296 KB |
Output is correct |
2 |
Correct |
26 ms |
3164 KB |
Output is correct |
3 |
Correct |
29 ms |
3160 KB |
Output is correct |
4 |
Correct |
26 ms |
3420 KB |
Output is correct |
5 |
Correct |
16 ms |
3420 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2021 ms |
2648 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2027 ms |
2648 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
26 ms |
2648 KB |
Output is correct |
2 |
Correct |
8 ms |
2652 KB |
Output is correct |
3 |
Correct |
3 ms |
2652 KB |
Output is correct |
4 |
Correct |
9 ms |
2696 KB |
Output is correct |
5 |
Correct |
7 ms |
2648 KB |
Output is correct |
6 |
Correct |
3 ms |
2652 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
19 ms |
2688 KB |
Output is correct |
10 |
Correct |
8 ms |
2652 KB |
Output is correct |
11 |
Correct |
30 ms |
2684 KB |
Output is correct |
12 |
Correct |
960 ms |
2900 KB |
Output is correct |
13 |
Correct |
1 ms |
2392 KB |
Output is correct |
14 |
Execution timed out |
2064 ms |
2652 KB |
Time limit exceeded |
15 |
Halted |
0 ms |
0 KB |
- |