제출 #70781

#제출 시각아이디문제언어결과실행 시간메모리
70781edisonhelloCrayfish scrivener (IOI12_scrivener)C++14
100 / 100
938 ms223900 KiB
#include<utility> #include<ext/rope> using namespace __gnu_cxx; rope<char> rp[1000006]; int now=0; void Init(){} void TypeLetter(char c){ tie(now,rp[now+1])=make_pair(now+1,rp[now]); rp[now].push_back(c); } void UndoCommands(int u){ tie(now,rp[now+1])=make_pair(now+1,rp[now-u]); } char GetLetter(int p){ return rp[now][p]; }
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