#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll p1 = 27644437;
ll p2 = 1000000007;
int LIS(int n, int a[]) {
ll dp[n+1]; // dp[l] = smallest element at which a sequence of size l ends;
for(int i=1;i<=n;i++) {
dp[i] = LONG_LONG_MAX;
}
int ans = 1;
dp[1] = a[0];
for(int i=1;i<n;i++) {
if(dp[ans] < a[i]) {
ans++;
dp[ans] = a[i];
}else if(a[i] < dp[1]) {
dp[1] = a[i];
}else{
int r = ans;
int l = 1;
while(r - l > 1) {
int m = (r+l)/2;
if(a[i] < dp[m]) {
r = m;
}else if(a[i] >= dp[m]) {
l = m;
}
}
dp[r] = a[i];
}
}
return ans;
}
void solve() {
int n, x; cin >> n >> x;
int a[n+1];
for(int i=0;i<n;i++) {
cin >> a[i];
}
if(x == 0) {
cout << LIS(n, a) << endl;
}else{
cout << 0 << endl;
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
solve();
char dksfjn;
cin >> dksfjn;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
24 ms |
4688 KB |
Output is correct |
2 |
Correct |
18 ms |
4700 KB |
Output is correct |
3 |
Correct |
18 ms |
4720 KB |
Output is correct |
4 |
Correct |
19 ms |
4536 KB |
Output is correct |
5 |
Correct |
16 ms |
3932 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
1116 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
7 ms |
1624 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |