Submission #70783

#	Time	Username	Problem	Language	Result	Execution time	Memory
70783		edisonhello	Crayfish scrivener (IOI12_scrivener)	C++14	5 / 100	1097 ms	263168 KiB

scrivener

#include<ext/rope>
using namespace __gnu_cxx;crope r[1000006];int now=0;void Init(){}void TypeLetter(char c){++now;r[now]=r[now-1];r[now].push_back(c);}
void UndoCommands(int u){++now;r[now]=r[now-u+1];}
char GetLetter(int p){return r[now][p];}

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