oj.uz

Submission #195033

# Submission time Handle Problem Language Result Execution time Memory
195033 2020-01-16T06:31:12 Z FieryPhoenix Crayfish scrivener (IOI12_scrivener) C++11
34 / 100
 1000 ms 104184 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cstdio>
#include <map>
#include <queue>
#include <set>
#include <iomanip>
#include <deque>
#include <cassert>
#include <ctime>
#include <cstring>
#include <cstdlib>
#include <chrono>
#include <ctime>
#include <random>
#include <stack>
#include <unordered_set>
#include <unordered_map>
#include <iterator>
#include <climits>
//#include "scrivener.h"
using namespace std;
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef long long ll;
typedef long double ld;
#define INF 2001001001
#define MOD 1000000007
 
int root[1000001];
int nex,version;
 
struct node{
  int child;
  int length;
  char c;
  int anc[21];
  node(){
    child=-1;
    length=0;
    c='?';
    for (int i=0;i<=19;i++)
      anc[i]=-1;
  }
};
 
node arr[1000001];
bool started=false;
 
void calcAnc(int ind){
  arr[ind].anc[0]=arr[ind].child;
  for (int i=1;i<=19;i++){
    if (arr[ind].anc[i-1]==-1)
      arr[ind].anc[i]=-1;
    else
      arr[ind].anc[i]=arr[arr[ind].anc[i-1]].anc[i-1];
  }
}
 
void Init(){
}
 
void TypeLetter(char c){
  if (!started){
    root[0]=0;
    arr[0].c=c;
    arr[0].length=1;
    nex++;
    started=true;
    return;
  }
  version++;
  root[version]=nex;
  arr[nex].length=arr[root[version-1]].length+1;
  arr[nex].c=c;
  arr[nex].child=root[version-1];
  calcAnc(nex);
  nex++;
}
 
void UndoCommands(int x){
  version++;
  root[version]=nex;
  arr[nex].length=arr[root[version-x-1]].length;
  arr[nex].c=arr[root[version-x-1]].c;
  arr[nex].child=arr[root[version-x-1]].child;
  calcAnc(nex);
  nex++;
}
 
char GetLetter(int ind){
  ind=arr[root[version]].length-1-ind;
  int cur=root[version];
  for (int i=19;i>=0;i--){
    if (((1<<i)&ind)!=0)
      cur=arr[cur].anc[i];
  }
  return arr[cur].c;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 94328 KB Output is correct
2 Correct 85 ms 94196 KB Output is correct
3 Correct 85 ms 94200 KB Output is correct
4 Correct 82 ms 94328 KB Output is correct
5 Correct 86 ms 94316 KB Output is correct
6 Correct 83 ms 94204 KB Output is correct
7 Correct 85 ms 94236 KB Output is correct
8 Correct 88 ms 94300 KB Output is correct
9 Correct 83 ms 94200 KB Output is correct
10 Correct 83 ms 94216 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 94280 KB Output is correct
2 Correct 82 ms 94236 KB Output is correct
3 Correct 84 ms 94224 KB Output is correct
4 Correct 84 ms 94252 KB Output is correct
5 Correct 83 ms 94308 KB Output is correct
6 Correct 83 ms 94304 KB Output is correct
7 Correct 83 ms 94192 KB Output is correct
8 Correct 85 ms 94288 KB Output is correct
9 Correct 74 ms 94216 KB Output is correct
10 Correct 84 ms 94200 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 94320 KB Output is correct
2 Correct 86 ms 94352 KB Output is correct
3 Correct 81 ms 94312 KB Output is correct
4 Correct 86 ms 94336 KB Output is correct
5 Correct 84 ms 94344 KB Output is correct
6 Correct 84 ms 94332 KB Output is correct
7 Correct 84 ms 94332 KB Output is correct
8 Correct 83 ms 94408 KB Output is correct
9 Correct 84 ms 94344 KB Output is correct
10 Correct 87 ms 94336 KB Output is correct

Subtask #4
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 662 ms 100992 KB Output is correct
2 Correct 759 ms 101824 KB Output is correct
3 Correct 561 ms 102604 KB Output is correct
4 Correct 608 ms 104184 KB Output is correct
5 Correct 595 ms 102684 KB Output is correct
6 Correct 489 ms 102440 KB Output is correct
7 Execution timed out 1054 ms 103260 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 791 ms 101840 KB Output is correct
2 Correct 806 ms 102620 KB Output is correct
3 Correct 535 ms 103076 KB Output is correct
4 Correct 563 ms 101972 KB Output is correct
5 Correct 516 ms 102496 KB Output is correct
6 Correct 510 ms 102428 KB Output is correct
7 Correct 713 ms 102608 KB Output is correct
8 Execution timed out 1040 ms 101232 KB Time limit exceeded
9 Halted 0 ms 0 KB -