#include <bits/stdc++.h>
#define jizz ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define pb push_back
#define ET cout << "\n"
#define MEM(i,j) memset(i,j,sizeof i)
#define F first
#define S second
#define MP make_pair
#define ALL(v) v.begin(),v.end()
#define DB(a,s,e) {for(int i=s;i<e;++i) cout << a[i] << " ";ET;}
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
vector<char> v[1000005];
const int lg=4;
int Len[1000005],pa[1000005],up[lg+1][1000005],ti[1000005],t;
void Init(){
t=0,Len[0]=-1;
}
void TypeLetter(char L)
{
int prev=ti[t];
++t;
ti[t]=t,Len[t]=Len[prev]+1;
if(v[pa[prev]].size()==Len[t]-Len[pa[prev]])
v[pa[prev]].pb(L),pa[t]=pa[prev];
else
{
up[0][t]=pa[prev],pa[t]=t,v[t].pb(L);
for(int i=1;i<=lg;++i)
up[i][t]=up[i-1][up[i-1][t]];
}
}
void UndoCommands(int U)
{
++t,ti[t]=ti[t-U-1],Len[t]=Len[t-U-1];
}
char GetLetter(int P)
{
int x=pa[ti[t]];
for(int i=lg;i>=0;--i)
if(Len[up[i][x]]>P)
x=up[i][x];
if(Len[x]>P)
x=up[0][x];
return v[x][P-Len[x]];
}
Compilation message
scrivener.cpp: In function 'void TypeLetter(char)':
scrivener.cpp:29:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(v[pa[prev]].size()==Len[t]-Len[pa[prev]])
~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
23936 KB |
Output is correct |
2 |
Correct |
22 ms |
23928 KB |
Output is correct |
3 |
Correct |
23 ms |
23936 KB |
Output is correct |
4 |
Correct |
23 ms |
23936 KB |
Output is correct |
5 |
Correct |
23 ms |
23932 KB |
Output is correct |
6 |
Correct |
21 ms |
23936 KB |
Output is correct |
7 |
Correct |
22 ms |
23936 KB |
Output is correct |
8 |
Correct |
22 ms |
23936 KB |
Output is correct |
9 |
Correct |
23 ms |
23808 KB |
Output is correct |
10 |
Correct |
22 ms |
23884 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
23808 KB |
Output is correct |
2 |
Correct |
21 ms |
23808 KB |
Output is correct |
3 |
Correct |
22 ms |
23936 KB |
Output is correct |
4 |
Correct |
24 ms |
23936 KB |
Output is correct |
5 |
Correct |
22 ms |
23808 KB |
Output is correct |
6 |
Correct |
21 ms |
23936 KB |
Output is correct |
7 |
Correct |
22 ms |
23936 KB |
Output is correct |
8 |
Correct |
22 ms |
23928 KB |
Output is correct |
9 |
Correct |
22 ms |
23936 KB |
Output is correct |
10 |
Correct |
22 ms |
23808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
22 ms |
23936 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
186 ms |
48504 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
264 ms |
46916 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |