#include<bits/stdc++.h>
typedef long long ll;
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
char last;
char hai[1010101];
pair<ll,ll> A[1010101];
ll te;
int p[20][1000001];
void cek()
{
ll ii;
for(ii=0;ii<te;ii++)
cout<<ii<<" "<<char(A[ii].fi)<<" "<<A[ii].se<<"\n";
cout<<"\n";
}
void Init() {}
void TypeLetter(char L)
{
ll bes=0,ii;
if(te>0)
bes=A[te-1].se+1;
A[te]=mp(L,bes);
hai[bes]=L;
p[0][te]=te-1;
for(ii=1;ii<20;ii++)
p[ii][te]=p[ii-1][p[ii-1][te]];
te++;
// cek();
}
void UndoCommands(int U)
{
ll ii;
A[te]=A[te-U-1];
p[0][te]=p[0][te-U-1];
for(ii=1;ii<20;ii++)
p[ii][te]=p[ii-1][p[ii-1][te]];
te++;
// cek();
}
char GetLetter(int P)
{
ll ii,X=te-1;
for(ii=19;ii>=0;ii--)
if(A[p[ii][X]].se>=P)
X=p[ii][X];
return char(A[X].fi);
// return hai[P];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
512 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
512 KB |
Output is correct |
2 |
Incorrect |
2 ms |
512 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
640 KB |
Output is correct |
2 |
Correct |
3 ms |
768 KB |
Output is correct |
3 |
Correct |
3 ms |
896 KB |
Output is correct |
4 |
Correct |
3 ms |
896 KB |
Output is correct |
5 |
Incorrect |
3 ms |
896 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
455 ms |
68676 KB |
Output is correct |
2 |
Correct |
476 ms |
86824 KB |
Output is correct |
3 |
Correct |
368 ms |
86800 KB |
Output is correct |
4 |
Correct |
462 ms |
92208 KB |
Output is correct |
5 |
Incorrect |
641 ms |
81004 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
915 ms |
65556 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |