Submission #194142

#	Time	Username	Problem	Language	Result	Execution time	Memory
194142		c4ts0up	Crayfish scrivener (IOI12_scrivener)	C++17	34 / 100	234 ms	262148 KiB

scrivener

/*
vector <char> A[1e6+5];
vector <int> idx[1e6+5];
idx = -1;
stack <pair <char, int> > Ins;
*/
#include <bits/stdc++.h>
using namespace std;

vector <string> After;
string curr;

void Init() {
	curr = "";
	After.push_back(curr);
}

void TypeLetter(char L) {
	curr.push_back(L);
	After.push_back(curr);
}

void UndoCommands(int U) {
	curr = After[After.size()-1-U];
	After.push_back(curr);
}

char GetLetter(int p) {
	return curr[p];
}

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