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Submission #124835

# Submission time Handle Problem Language Result Execution time Memory
124835 2019-07-04T03:43:25 Z nxteru Crayfish scrivener (IOI12_scrivener) C++14
0 / 100
 258 ms 52448 KB 
#include <bits/stdc++.h>
using namespace std;
int le[1000005],n,k,par[20][1000005],dp[1000005];
char re[1000005];
void Init(void){};
void TypeLetter(char c){
	int v=le[n],x=c-'a';
	k++;
	re[k]=c;
	par[0][k]=v;
	dp[k]=dp[v]+1;
	for(int i=0;i<19;i++)par[i+1][k]=par[i][par[i][k]];
	n++;
	le[n]=v;
}
void UndoCommands(int x){
	le[n+1]=le[n-x];
	n++;
}
char GetLetter(int x){
	x++;
	int v=le[n];
	for(int i=0;i<20;i++)if((dp[v]-x)>>i&1)v=par[i][v];
	return re[v];
}

Compilation message

scrivener.cpp: In function 'void TypeLetter(char)':
scrivener.cpp:7:14: warning: unused variable 'x' [-Wunused-variable]
  int v=le[n],x=c-'a';
              ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 504 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 504 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 632 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 211 ms 52448 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 258 ms 44892 KB Output isn't correct
2 Halted 0 ms 0 KB -