#include<bits/stdc++.h>
using namespace std;
#include<ext/rope>
using namespace __gnu_cxx;
rope<char> *rp[1000006];
int now=0;
void Init(){
rp[0]=new rope<char>();
}
void TypeLetter(char c){
++now;
rp[now]=new rope<char>(rp[now-1]->begin(),rp[now-1]->end());
rp[now]->push_back(c);
}
void UndoCommands(int u){
++now;
rp[now]=new rope<char>(rp[now-1-u]->begin(),rp[now-1]->end());
}
char GetLetter(int p){
return (*rp[now])[p];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
248 KB |
Output is correct |
2 |
Correct |
3 ms |
484 KB |
Output is correct |
3 |
Correct |
3 ms |
484 KB |
Output is correct |
4 |
Correct |
3 ms |
484 KB |
Output is correct |
5 |
Correct |
2 ms |
484 KB |
Output is correct |
6 |
Correct |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
2 ms |
496 KB |
Output is correct |
8 |
Correct |
2 ms |
496 KB |
Output is correct |
9 |
Correct |
4 ms |
496 KB |
Output is correct |
10 |
Correct |
3 ms |
496 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
548 KB |
Output is correct |
2 |
Correct |
3 ms |
596 KB |
Output is correct |
3 |
Correct |
3 ms |
596 KB |
Output is correct |
4 |
Correct |
3 ms |
596 KB |
Output is correct |
5 |
Correct |
3 ms |
596 KB |
Output is correct |
6 |
Correct |
2 ms |
596 KB |
Output is correct |
7 |
Correct |
3 ms |
596 KB |
Output is correct |
8 |
Correct |
3 ms |
596 KB |
Output is correct |
9 |
Correct |
2 ms |
596 KB |
Output is correct |
10 |
Correct |
3 ms |
596 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
3 ms |
1108 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1112 ms |
263168 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
69 ms |
263168 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |