//int const nmax = 1000000;
int far[20][1 + 1000000], ptr = 0;
int level[1 + 1000000];
char chr[1 + 1000000];
void Init() {}
void TypeLetter(char L) {
++ptr;
far[0][ptr] = ptr - 1;
for(int h = 1; h < 20; h++)
far[h][ptr] = far[h - 1][far[h - 1][ptr]];
level[ptr] = level[far[0][ptr]] + 1;
chr[ptr] = L;
}
void UndoCommands(int U) {
++ptr;
far[0][ptr] = ptr - 1 - U;
for(int h = 1; h < 20; h++)
far[h][ptr] = far[h - 1][far[h - 1][ptr]];
level[ptr] = level[far[0][ptr]];
}
char GetLetter(int P) {
int pos = ptr;
P++;
for(int h = 19; 0 <= h; h--)
if(P <= level[far[h][pos]] )
pos = far[h][pos];
return chr[pos];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
2 ms |
504 KB |
Output is correct |
3 |
Correct |
2 ms |
504 KB |
Output is correct |
4 |
Correct |
2 ms |
504 KB |
Output is correct |
5 |
Correct |
2 ms |
632 KB |
Output is correct |
6 |
Correct |
2 ms |
504 KB |
Output is correct |
7 |
Correct |
2 ms |
504 KB |
Output is correct |
8 |
Correct |
2 ms |
504 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
504 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
2 ms |
504 KB |
Output is correct |
3 |
Correct |
2 ms |
504 KB |
Output is correct |
4 |
Correct |
2 ms |
504 KB |
Output is correct |
5 |
Correct |
2 ms |
504 KB |
Output is correct |
6 |
Correct |
2 ms |
504 KB |
Output is correct |
7 |
Correct |
2 ms |
504 KB |
Output is correct |
8 |
Correct |
2 ms |
504 KB |
Output is correct |
9 |
Correct |
2 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
504 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
632 KB |
Output is correct |
2 |
Correct |
3 ms |
760 KB |
Output is correct |
3 |
Correct |
4 ms |
888 KB |
Output is correct |
4 |
Correct |
3 ms |
888 KB |
Output is correct |
5 |
Correct |
3 ms |
760 KB |
Output is correct |
6 |
Correct |
3 ms |
888 KB |
Output is correct |
7 |
Correct |
3 ms |
888 KB |
Output is correct |
8 |
Correct |
3 ms |
888 KB |
Output is correct |
9 |
Correct |
3 ms |
888 KB |
Output is correct |
10 |
Correct |
3 ms |
888 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
411 ms |
60000 KB |
Output is correct |
2 |
Correct |
449 ms |
73188 KB |
Output is correct |
3 |
Correct |
406 ms |
72740 KB |
Output is correct |
4 |
Correct |
489 ms |
76124 KB |
Output is correct |
5 |
Correct |
563 ms |
67320 KB |
Output is correct |
6 |
Correct |
376 ms |
79352 KB |
Output is correct |
7 |
Execution timed out |
1039 ms |
67832 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
760 ms |
55168 KB |
Output is correct |
2 |
Execution timed out |
1051 ms |
47708 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |