Submission #1005232

#	Time	Username	Problem	Language	Result	Execution time	Memory
1005232		pawned	Crayfish scrivener (IOI12_scrivener)	C++17	34 / 100	132 ms	262144 KiB

scrivener

#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")

#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pb push_back
typedef long long ll;
typedef pair<int, int> ii;
typedef vector<int> vi;

const int MAX = 5005;

int moves = 1;
vector<string> all;

void Init() {
	all.pb("");
}

void TypeLetter(char L) {
	all.pb(all[moves - 1]);
	all.back() += L;
/*	cout<<"all: ";
	for (string s : all)
		cout<<s<<" ";
	cout<<endl;*/
	moves++;
}

void UndoCommands(int U) {
	all.pb(all[moves - U - 1]);
/*	cout<<"all: ";
	for (string s : all)
		cout<<s<<" ";
	cout<<endl;*/
	moves++;
}

char GetLetter(int P) {
	return all.back()[P];
}

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