제출 #401353

#제출 시각아이디문제언어결과실행 시간메모리
401353Dan4Life크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++17
12 / 100
1094 ms2644 KiB
#include <bits/stdc++.h>
using namespace std;

string s; int pos = -1;
void Init()
{

}

void TypeLetter(char c)
{
    if(pos!=-1)s = s.substr(0, pos+1);
    s+=c,pos++;
}

void UndoCommands(int U)
{
    pos-=U;
}

char GetLetter(int i) { return s[i]; }
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