Submission #1232980

#TimeUsernameProblemLanguageResultExecution timeMemory
1232980clemmy14크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++20
5 / 100
153 ms327680 KiB
#include<bits/stdc++.h>
using namespace std;

int first=0;
string texts;
vector<string> ans;
vector<int> parent, linked;

void Init() {

}

void TypeLetter(char L) {
	texts.push_back(L);
	
	int par = parent.size()-1;
	// if(texts[par] == ' ') parent.push_back(parent[par]);
	// else parent.push_back(par);

	string prev="";
	if(par != -1) prev=ans[parent[par]]; 
	prev.push_back(L);
	ans.push_back(prev);
	parent.push_back(par+1);

	linked.push_back(ans.size()-1);
}

void UndoCommands(int U) {
	texts.push_back(' ');
	int par = parent.size()-U-1;
	if(texts[par] == ' ') parent.push_back(parent[par]);
	else parent.push_back(par);
	
	linked.push_back(linked[par]);
	//ans.push_back("");
}

char GetLetter(int P) {
	return ans[linked[parent[parent.size()-1]]][P];
}
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