제출 #416960

#제출 시각아이디문제언어결과실행 시간메모리
416960snasibov05크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++14
34 / 100
163 ms262148 KiB
#include <vector>
#include <string>

using namespace std;

#define pb push_back

vector<string> v;



void Init() {}

void TypeLetter(char l) {
    string cur;
    if (!v.empty()) cur = v.back();
    cur += l;
    v.pb(cur);
}

void UndoCommands(int u) {
    int n = v.size();
    string cur = v[n - u - 1];
    v.pb(cur);
}

char GetLetter(int p) {
    string cur = v.back();
    return cur[p];
}
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