#include<cmath>
char last;
void Init() {}
int t=-1,er[2000000],a[1000005][23],x[25];
char v[2000000];
void TypeLetter(char L)
{
if(x[0]==0)
{
x[0]=1;
for(int i=1;i<=20;i++)
x[i]=x[i-1]*2;
}
t++;
if(t==0)
er[t]=1;
else
er[t]=er[t-1]+1;
v[t]=L;
for(int i=0;x[i]<er[t];i++)
{
if(i==0)
a[t][0]=t-1;
else
a[t][i]=a[a[t][i-1]][i-1];
}
}
void UndoCommands(int U)
{
t++;
er[t]=er[t-U-1];
v[t]=v[t-U-1];
for(int i=0;x[i]<er[t];i++)
a[t][i]=a[t-U-1][i];
}
char GetLetter(int P)
{
int p=er[t]-P-1;
int e=t,b[25];
int r=-1;
while(p!=0)
{
r++;
if(p%2==0)
b[r]=0;
else
b[r]=1;
p/=2;
}
for(int i=r;i>=0;i--)
if(b[i]==1)
e=a[e][i];
return v[e];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
3 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
564 KB |
Output is correct |
6 |
Correct |
2 ms |
564 KB |
Output is correct |
7 |
Correct |
2 ms |
564 KB |
Output is correct |
8 |
Correct |
2 ms |
564 KB |
Output is correct |
9 |
Correct |
2 ms |
564 KB |
Output is correct |
10 |
Correct |
2 ms |
564 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
604 KB |
Output is correct |
2 |
Correct |
3 ms |
604 KB |
Output is correct |
3 |
Correct |
2 ms |
604 KB |
Output is correct |
4 |
Correct |
2 ms |
620 KB |
Output is correct |
5 |
Correct |
2 ms |
620 KB |
Output is correct |
6 |
Correct |
2 ms |
620 KB |
Output is correct |
7 |
Correct |
2 ms |
620 KB |
Output is correct |
8 |
Correct |
2 ms |
620 KB |
Output is correct |
9 |
Correct |
2 ms |
620 KB |
Output is correct |
10 |
Correct |
2 ms |
620 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
764 KB |
Output is correct |
2 |
Correct |
3 ms |
892 KB |
Output is correct |
3 |
Correct |
5 ms |
1024 KB |
Output is correct |
4 |
Correct |
4 ms |
1024 KB |
Output is correct |
5 |
Correct |
6 ms |
1024 KB |
Output is correct |
6 |
Correct |
4 ms |
1024 KB |
Output is correct |
7 |
Correct |
3 ms |
1024 KB |
Output is correct |
8 |
Correct |
3 ms |
1024 KB |
Output is correct |
9 |
Correct |
4 ms |
1024 KB |
Output is correct |
10 |
Correct |
3 ms |
1024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
508 ms |
68476 KB |
Output is correct |
2 |
Correct |
632 ms |
83776 KB |
Output is correct |
3 |
Correct |
548 ms |
83776 KB |
Output is correct |
4 |
Correct |
572 ms |
87032 KB |
Output is correct |
5 |
Correct |
652 ms |
87032 KB |
Output is correct |
6 |
Correct |
611 ms |
95020 KB |
Output is correct |
7 |
Correct |
745 ms |
95020 KB |
Output is correct |
8 |
Correct |
692 ms |
102816 KB |
Output is correct |
9 |
Correct |
874 ms |
103852 KB |
Output is correct |
10 |
Correct |
250 ms |
115668 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
787 ms |
115668 KB |
Output is correct |
2 |
Correct |
925 ms |
115668 KB |
Output is correct |
3 |
Correct |
429 ms |
115668 KB |
Output is correct |
4 |
Correct |
548 ms |
115668 KB |
Output is correct |
5 |
Correct |
561 ms |
115668 KB |
Output is correct |
6 |
Correct |
568 ms |
115668 KB |
Output is correct |
7 |
Correct |
593 ms |
115668 KB |
Output is correct |
8 |
Correct |
795 ms |
115668 KB |
Output is correct |
9 |
Correct |
853 ms |
115668 KB |
Output is correct |
10 |
Correct |
251 ms |
118308 KB |
Output is correct |