Submission #231488

#	Time	Username	Problem	Language	Result	Execution time	Memory
231488		blacktulip	Crayfish scrivener (IOI12_scrivener)	C++17	34 / 100	155 ms	262148 KiB

scrivener

#include <bits/stdc++.h>
using namespace std;
char last;
string s;
map<int,string> mpp;
int cev,koy,say;
void Init(){
	
}
void TypeLetter(char L){
	s+=L;
	say++;
	mpp[say]=s;
}
void UndoCommands(int U){
	s=mpp[say-U];
	say++;
	mpp[say]=s;
}
char GetLetter(int P){
	if(s.size()<=P)return -1;
	return s[P];
}

Compilation message (stderr)

scrivener.cpp: In function 'char GetLetter(int)':
scrivener.cpp:21:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(s.size()<=P)return -1;
     ~~~~~~~~^~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 22 / 22
• Subtask 4: 0 / 26
• Subtask 5: 0 / 40