oj.uz

Submission #121294

# Submission time Handle Problem Language Result Execution time Memory
121294 2019-06-26T09:53:14 Z baluteshih Crayfish scrivener (IOI12_scrivener) C++14
5 / 100
 281 ms 48836 KB 
#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];
int Len[1000005],pa[1000005],up[5][1000005],lg=4,ti[1000005],t;

void Init(){
	t=0,Len[0]=-1;
}

void TypeLetter(char L) 
{
	int prev=ti[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[ti[t-U-1]],Len[t]=Len[ti[t-U-1]];
}

char GetLetter(int P)
{
	int x=pa[ti[ti[t]]];
	for(int i=lg;i>=0;--i)
		if(Len[up[i][x]]>=P)
			x=up[i][x];
	if(Len[up[0][x]]>=P)
		x=up[0][x];
	return v[x][P-Len[x]];
}

Compilation message

scrivener.cpp: In function 'void TypeLetter(char)':
scrivener.cpp:28:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(v[pa[prev]].size()==Len[t]-Len[pa[prev]])
     ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 23808 KB Output is correct
2 Correct 24 ms 23936 KB Output is correct
3 Correct 21 ms 23936 KB Output is correct
4 Correct 22 ms 23936 KB Output is correct
5 Correct 22 ms 23928 KB Output is correct
6 Correct 22 ms 23808 KB Output is correct
7 Correct 21 ms 23936 KB Output is correct
8 Correct 22 ms 23936 KB Output is correct
9 Correct 21 ms 23808 KB Output is correct
10 Correct 22 ms 23928 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 23808 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 23936 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 196 ms 48836 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 281 ms 47260 KB Output isn't correct
2 Halted 0 ms 0 KB -