제출 #456187

#제출 시각아이디문제언어결과실행 시간메모리
456187fuad27크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++14
34 / 100
124 ms262148 KiB
    #include <bits/stdc++.h>
     
    using namespace std;
    string S[int(2000000) + 10];
    int N;
    void Init() {}
    void TypeLetter(char L) {
    	N++;
    	S[N] = S[N - 1];
    	S[N].push_back(L);
    }
    void UndoCommands(int U) {
    	N++;
    	S[N] = S[max(N - U - 1, 0)];
    }
    char GetLetter(int P) {
    	return S[N][P];
    }
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