Submission #61791

#	Time	Username	Problem	Language	Result	Execution time	Memory
61791		theknife2001	크레이피쉬 글쓰는 기계 (IOI12_scrivener)	C++17	0 / 100	1064 ms	10832 KiB

scrivener

#include <bits/stdc++.h>
#define ii pair < char , char >
#define fi first
#define se second


using namespace std;
const int N=1e6+5;
ii a[N];
string s;
int cnt;
int i;


void Init() {}

void TypeLetter(char L) {
    a[i]={'T',L};
    i++;
}

void UndoCommands(int U) {
    a[i]={'U','0'+U};
    i++;
}

char GetLetter(int P) {
    if(!cnt)
    {
        while(i>0)
        {
            i--;
            if(a[i].fi=='T')
            {
                s+=a[i].se;
            }
            else
            {
                i-=(a[i].se-'0');
            }
        }
        reverse(s.begin(),s.end());
    }
    cnt=1;
    return s[P];
}

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