#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;
pair<char,int> A[1000001];
int te,X;
int p[19][1000001],ii;
void Init()
{
//for(ii=1;ii<=1000002;ii++)
// LO[ii]=ceil(log(ii)/log(2));
}
void TypeLetter(char L)
{
if(te==0)
{
A[te]=mp(L,0);
p[0][te]=0;
}
else
{
A[te]=mp(L,A[te-1].se+1);
p[0][te]=te-1;
for(ii=1;ii<19;ii++)
p[ii][te]=p[ii-1][p[ii-1][te]];
}
te++;
}
void UndoCommands(int U)
{
A[te]=A[te-U-1];
p[0][te]=p[0][te-U-1];
for(ii=1;ii<19;ii++)
p[ii][te]=p[ii-1][p[ii-1][te]];
te++;
// cek();
}
char GetLetter(int P)
{
X=te-1;
for(ii=18;ii>=0;ii--)
if(A[p[ii][X]].se>P)
X=p[ii][X];
else
if(A[p[ii][X]].se==P)
return A[p[ii][X]].fi;
return A[X].fi;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
512 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
512 KB |
Output is correct |
4 |
Correct |
2 ms |
512 KB |
Output is correct |
5 |
Correct |
2 ms |
512 KB |
Output is correct |
6 |
Correct |
2 ms |
512 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
2 ms |
512 KB |
Output is correct |
9 |
Correct |
2 ms |
512 KB |
Output is correct |
10 |
Correct |
4 ms |
512 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
512 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
512 KB |
Output is correct |
4 |
Correct |
2 ms |
512 KB |
Output is correct |
5 |
Correct |
2 ms |
512 KB |
Output is correct |
6 |
Correct |
2 ms |
512 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
2 ms |
512 KB |
Output is correct |
9 |
Correct |
2 ms |
512 KB |
Output is correct |
10 |
Correct |
2 ms |
512 KB |
Output is correct |
# |
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 |
768 KB |
Output is correct |
4 |
Correct |
3 ms |
868 KB |
Output is correct |
5 |
Correct |
3 ms |
768 KB |
Output is correct |
6 |
Correct |
3 ms |
896 KB |
Output is correct |
7 |
Correct |
3 ms |
896 KB |
Output is correct |
8 |
Correct |
3 ms |
896 KB |
Output is correct |
9 |
Correct |
3 ms |
896 KB |
Output is correct |
10 |
Correct |
3 ms |
972 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
371 ms |
59440 KB |
Output is correct |
2 |
Correct |
452 ms |
72416 KB |
Output is correct |
3 |
Correct |
400 ms |
72020 KB |
Output is correct |
4 |
Correct |
410 ms |
75260 KB |
Output is correct |
5 |
Correct |
426 ms |
66680 KB |
Output is correct |
6 |
Correct |
308 ms |
78456 KB |
Output is correct |
7 |
Correct |
953 ms |
67296 KB |
Output is correct |
8 |
Correct |
810 ms |
75632 KB |
Output is correct |
9 |
Correct |
424 ms |
72952 KB |
Output is correct |
10 |
Correct |
249 ms |
81784 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
626 ms |
54472 KB |
Output is correct |
2 |
Correct |
865 ms |
47168 KB |
Output is correct |
3 |
Correct |
405 ms |
59896 KB |
Output is correct |
4 |
Correct |
407 ms |
52088 KB |
Output is correct |
5 |
Correct |
366 ms |
69684 KB |
Output is correct |
6 |
Correct |
384 ms |
72060 KB |
Output is correct |
7 |
Correct |
453 ms |
71912 KB |
Output is correct |
8 |
Execution timed out |
1070 ms |
59000 KB |
Time limit exceeded |
9 |
Halted |
0 ms |
0 KB |
- |