제출 #433435

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
433435		aris12345678	크레이피쉬 글쓰는 기계 (IOI12_scrivener)	C++14	34 / 100	177 ms	262148 KiB

scrivener

#include <bits/stdc++.h>
using namespace std;

const int mxN = 1000005;
string ans;
vector<string> undo;

void Init() {
    return;
}

void TypeLetter(char l) {
    ans += l;
    undo.push_back(ans);
}

void UndoCommands(int u) {
    ans = undo[undo.size()-u-1];
    undo.push_back(ans);
}

char GetLetter(int p){
    return ans[p];
}

/*
int main() {
    Init();
    TypeLetter('a');
    cout << ans << "\n";
    TypeLetter('b');
    cout << ans << "\n";
    cout << GetLetter(1) << "\n";
    TypeLetter('d');
    cout << ans << "\n";
    UndoCommands(2);
    cout << ans << "\n";
    UndoCommands(1);
    cout << ans << "\n";
    cout << GetLetter(2) << "\n";
    TypeLetter('e');
    cout << ans << "\n";
    UndoCommands(1);
    cout << ans << "\n";
    UndoCommands(5);
    cout << ans << "\n";
    TypeLetter('c');
    cout << ans << "\n";
    cout << GetLetter(2) << "\n";
    UndoCommands(2);
    cout << ans << "\n";
    cout << GetLetter(2) << "\n";
    return 0;
}
*/

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