oj.uz

Submission #641488

# Submission time Handle Problem Language Result Execution time Memory
641488 2022-09-16T19:21:49 Z ggoh Ancient Books (IOI17_books) C++14
50 / 100
 271 ms 90296 KB 
#include "books.h"
#include<bits/stdc++.h>
using namespace std;
#define sz(v) ((int)(v).size())
typedef long long lint;
 
int n,sz;
int v[1000002];
int d[1000002];
int le[1000002],ri[1000002];
vector<int>go;
vector<int>cycle[1000002];
lint cost[1000002];
void dfs(int p,int par)
{
  cycle[sz].push_back(p);
  cost[sz]+=abs(par-p);
  v[p]=1;
  if(!v[go[p]])dfs(go[p],p);
  else cost[sz]+=abs(go[p]-p);
}
lint minimum_walk(vector<int> p, int s) {
  n=sz(p);
  go=p;
  for(int i=0;i<n;i++)
  {
    if(!v[i])
    {
      sz++;
      dfs(i,i);
    }
  }
  vector<int>X;
  lint ans=0;
  int maxi=-1,mini=1e9;
  for(int i=1;i<=sz;i++)
  {
    ans+=cost[i];
    sort(cycle[i].begin(),cycle[i].end());
    d[cycle[i][0]]++;
    d[cycle[i][sz(cycle[i])-1]]--;
    if(sz(cycle[i])>1)
    {
      maxi=max(maxi,cycle[i][sz(cycle[i])-1]-1);
      mini=min(mini,cycle[i][0]);
      if(cycle[i][0]<s && s<cycle[i][sz(cycle[i])-1])
      {
        le[i]=-1e9;ri[i]=1e9;
        for(auto &k:cycle[i])
        {
          if(k<=s)le[i]=max(le[i],k);
          if(k>=s)ri[i]=min(ri[i],k);
        }
      }
    }
    else le[i]=ri[i]=s;
  }/*
  if(s!=0)
  {
    int cnt=0,tmp=1e9;
    for(int i=0;i<=s;i++)
    {
      for(int j=s;j<n;j++)
      {
        for(int k=1;k<=sz;k++)
        {
          if(le[k]>=i || ri[k]<=j)cnt++;
        }
        if(cnt==sz)
        {
          tmp=min(tmp,j-i);
        }
      }
    }
    ans+=2*tmp;
  }*/
  int c=0;
  for(int i=0;i<n;i++)
  {
    c+=d[i];
    d[i]=c;
  }
  if(s<=mini)
  {
    for(int i=s;i<=maxi;i++)
    {
      if(!d[i])ans+=2;
    }
  }
  else if(s>maxi)
  {
    for(int i=mini;i<s;i++)
    {
      if(!d[i])ans+=2;
    }
  }
  else
  {
    for(int i=mini;i<=maxi;i++)
    {
      if(!d[i])ans+=2;
    }
  }
	return ans;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23756 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 12 ms 23716 KB Output is correct
6 Correct 12 ms 23816 KB Output is correct
7 Correct 15 ms 23764 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 12 ms 23760 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 14 ms 23764 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 12 ms 23764 KB Output is correct
17 Correct 12 ms 23764 KB Output is correct
18 Correct 13 ms 23736 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23756 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 12 ms 23716 KB Output is correct
6 Correct 12 ms 23816 KB Output is correct
7 Correct 15 ms 23764 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 12 ms 23760 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 14 ms 23764 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 12 ms 23764 KB Output is correct
17 Correct 12 ms 23764 KB Output is correct
18 Correct 13 ms 23736 KB Output is correct
19 Correct 12 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 13 ms 23892 KB Output is correct
22 Correct 13 ms 23796 KB Output is correct
23 Correct 14 ms 23760 KB Output is correct
24 Correct 13 ms 23756 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 13 ms 23864 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 14 ms 23740 KB Output is correct
29 Correct 16 ms 23804 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23756 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 12 ms 23716 KB Output is correct
6 Correct 12 ms 23816 KB Output is correct
7 Correct 15 ms 23764 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 12 ms 23760 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 14 ms 23764 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 12 ms 23764 KB Output is correct
17 Correct 12 ms 23764 KB Output is correct
18 Correct 13 ms 23736 KB Output is correct
19 Correct 12 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 13 ms 23892 KB Output is correct
22 Correct 13 ms 23796 KB Output is correct
23 Correct 14 ms 23760 KB Output is correct
24 Correct 13 ms 23756 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 13 ms 23864 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 14 ms 23740 KB Output is correct
29 Correct 16 ms 23804 KB Output is correct
30 Correct 258 ms 72640 KB Output is correct
31 Correct 271 ms 60220 KB Output is correct
32 Correct 170 ms 90296 KB Output is correct
33 Correct 192 ms 75960 KB Output is correct
34 Correct 184 ms 75968 KB Output is correct
35 Correct 174 ms 69692 KB Output is correct
36 Correct 174 ms 58048 KB Output is correct
37 Correct 198 ms 50044 KB Output is correct
38 Correct 169 ms 49276 KB Output is correct
39 Correct 158 ms 49120 KB Output is correct
40 Correct 175 ms 49224 KB Output is correct
41 Correct 198 ms 58312 KB Output is correct
42 Correct 195 ms 52760 KB Output is correct
43 Correct 168 ms 78148 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 23768 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23756 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 12 ms 23716 KB Output is correct
6 Correct 12 ms 23816 KB Output is correct
7 Correct 15 ms 23764 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 12 ms 23760 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 14 ms 23764 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 12 ms 23764 KB Output is correct
17 Correct 12 ms 23764 KB Output is correct
18 Correct 13 ms 23736 KB Output is correct
19 Correct 12 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 13 ms 23892 KB Output is correct
22 Correct 13 ms 23796 KB Output is correct
23 Correct 14 ms 23760 KB Output is correct
24 Correct 13 ms 23756 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 13 ms 23864 KB Output is correct
27 Correct 13 ms 23764 KB Output is correct
28 Correct 14 ms 23740 KB Output is correct
29 Correct 16 ms 23804 KB Output is correct
30 Correct 258 ms 72640 KB Output is correct
31 Correct 271 ms 60220 KB Output is correct
32 Correct 170 ms 90296 KB Output is correct
33 Correct 192 ms 75960 KB Output is correct
34 Correct 184 ms 75968 KB Output is correct
35 Correct 174 ms 69692 KB Output is correct
36 Correct 174 ms 58048 KB Output is correct
37 Correct 198 ms 50044 KB Output is correct
38 Correct 169 ms 49276 KB Output is correct
39 Correct 158 ms 49120 KB Output is correct
40 Correct 175 ms 49224 KB Output is correct
41 Correct 198 ms 58312 KB Output is correct
42 Correct 195 ms 52760 KB Output is correct
43 Correct 168 ms 78148 KB Output is correct
44 Incorrect 16 ms 23768 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -