Submission #1106877

#	Time	Username	Problem	Language	Result	Execution time	Memory
1106877		rahidilbayramli	Crayfish scrivener (IOI12_scrivener)	C++17	34 / 100	183 ms	262144 KiB

scrivener

#pragma GCC optimize("-O3")
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#define ll long long
#define ld long double
#define vl vector<ll>
#define vi vector<int>
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define f first
#define s second
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pb push_back
#define p_b pop_back
using namespace std;
using namespace __gnu_pbds;
typedef tree<ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
char last;
string s = "";
vector<string>vect;
void Init() {
    vect.pb(s);
}

void TypeLetter(char L) {
    s += L;
    vect.pb(s);
    last = L;

}

void UndoCommands(int U) {
    int sz = (int)(vect.size());
    s = vect[sz - 1 - U];
    vect.pb(s);
}

char GetLetter(int P) {
  return s[P];
}

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