제출 #70787

#제출 시각아이디문제언어결과실행 시간메모리
70787edisonhello크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++14
100 / 100
941 ms224268 KiB
#include<ext/rope> __gnu_cxx::crope r[1<<20];int x;void Init(){}void TypeLetter(char c){++x;r[x]=r[x-1];r[x].push_back(c);}void UndoCommands(int u){++x;r[x]=r[x-u-1];}char GetLetter(int p){return r[x][p];}
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