Submission #456187

#	Time	Username	Problem	Language	Result	Execution time	Memory
456187		fuad27	Crayfish scrivener (IOI12_scrivener)	C++14	34 / 100	124 ms	262148 KiB

scrivener

    #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];
    }

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