Submission #1009112

#	Time	Username	Problem	Language	Result	Execution time	Memory
1009112		Rifal	Crayfish scrivener (IOI12_scrivener)	C++14	60 / 100	1031 ms	10696 KiB

scrivener

#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
vector<pair<int,char>> v, vv;
string cur;
bool ok = false;
void Init() {}
void TypeLetter(char L) {
  v.push_back({-1,L});
  ok = false;
  
}
 
void UndoCommands(int U) {
  v.push_back({U,' '});
  ok = false;
}
 
char GetLetter(int P) {
  if(ok == false) {
    ok = true;
    cur.clear();
    int cnt = 0;
    for(int i = v.size()-1; i >= 0; i--) {
    if(cnt > 0) {
      cnt--; continue; 
    }
    if(v[i].first == -1) {
      cur.push_back(v[i].second);
    }
    else {
      cnt = v[i].first;
    }
  }
  reverse(cur.begin(),cur.end());
  }
  return cur[P];
}

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