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Submission #251655

# Submission time Handle Problem Language Result Execution time Memory
251655 2020-07-22T06:32:21 Z tinjyu Crayfish scrivener (IOI12_scrivener) C++14
34 / 100
 205 ms 63352 KB 
#include <iostream>
using namespace std;
char last;
 
void Init() {}
string s[1000005];
char c[1000005],ad[1000005],ans[1000005];
long long int num[1000005],tmp;
long long int p,pp;
void TypeLetter(char L) {
	p++;
	if(p<=5000)
	{
		s[p]=s[p-1]+L;
	}
	
	c[p]='a';
	ad[p]=L;
	//cout<<s[p]<<endl;
}
 
void UndoCommands(int U) {
	p++;
	if(p<=5000)s[p]=s[p-U-1];
	
	c[p]='b';
	num[p]=U;
	//cout<<s[p]<<endl;
}
 
char GetLetter(int P) {
	if(p<=5000)return s[p][P];
	if(ans=="")
	{
		for(int i=p;i>=1;i--)
		{
			if(c[i]=='a')
			{
				pp++;
				ans[pp]=ad[i];
			}
			else
			{
				i-=num[i];
			}
		}
	}
	return ans[P];
}

Compilation message

scrivener.cpp: In function 'char GetLetter(int)':
scrivener.cpp:33:10: warning: comparison with string literal results in unspecified behavior [-Waddress]
  if(ans=="")
          ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 31616 KB Output is correct
2 Correct 18 ms 31616 KB Output is correct
3 Correct 18 ms 31616 KB Output is correct
4 Correct 20 ms 31612 KB Output is correct
5 Correct 18 ms 31616 KB Output is correct
6 Correct 19 ms 31616 KB Output is correct
7 Correct 19 ms 31616 KB Output is correct
8 Correct 20 ms 31616 KB Output is correct
9 Correct 17 ms 31616 KB Output is correct
10 Correct 17 ms 31616 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 31616 KB Output is correct
2 Correct 18 ms 31616 KB Output is correct
3 Correct 17 ms 31616 KB Output is correct
4 Correct 20 ms 31616 KB Output is correct
5 Correct 18 ms 31616 KB Output is correct
6 Correct 17 ms 31616 KB Output is correct
7 Correct 18 ms 31616 KB Output is correct
8 Correct 20 ms 31744 KB Output is correct
9 Correct 21 ms 31616 KB Output is correct
10 Correct 18 ms 31616 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 32640 KB Output is correct
2 Correct 21 ms 32896 KB Output is correct
3 Correct 23 ms 32640 KB Output is correct
4 Correct 22 ms 32128 KB Output is correct
5 Correct 21 ms 32896 KB Output is correct
6 Correct 25 ms 33920 KB Output is correct
7 Correct 28 ms 32504 KB Output is correct
8 Correct 25 ms 35968 KB Output is correct
9 Correct 29 ms 41592 KB Output is correct
10 Correct 22 ms 33408 KB Output is correct

Subtask #4
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 167 ms 63352 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 205 ms 63136 KB Output isn't correct
2 Halted 0 ms 0 KB -