oj.uz

Submission #641487

# Submission time Handle Problem Language Result Execution time Memory
641487 2022-09-16T19:21:05 Z ggoh Ancient Books (IOI17_books) C++14
50 / 100
 341 ms 90448 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 23704 KB Output is correct
2 Correct 15 ms 23764 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23708 KB Output is correct
5 Correct 15 ms 23820 KB Output is correct
6 Correct 15 ms 23716 KB Output is correct
7 Correct 12 ms 23800 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 12 ms 23828 KB Output is correct
11 Correct 12 ms 23836 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23800 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 11 ms 23800 KB Output is correct
16 Correct 12 ms 23720 KB Output is correct
17 Correct 14 ms 23720 KB Output is correct
18 Correct 14 ms 23744 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23704 KB Output is correct
2 Correct 15 ms 23764 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23708 KB Output is correct
5 Correct 15 ms 23820 KB Output is correct
6 Correct 15 ms 23716 KB Output is correct
7 Correct 12 ms 23800 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 12 ms 23828 KB Output is correct
11 Correct 12 ms 23836 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23800 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 11 ms 23800 KB Output is correct
16 Correct 12 ms 23720 KB Output is correct
17 Correct 14 ms 23720 KB Output is correct
18 Correct 14 ms 23744 KB Output is correct
19 Correct 16 ms 23772 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 13 ms 23892 KB Output is correct
22 Correct 12 ms 23788 KB Output is correct
23 Correct 13 ms 23892 KB Output is correct
24 Correct 13 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 13 ms 23788 KB Output is correct
28 Correct 13 ms 23756 KB Output is correct
29 Correct 13 ms 23796 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23704 KB Output is correct
2 Correct 15 ms 23764 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23708 KB Output is correct
5 Correct 15 ms 23820 KB Output is correct
6 Correct 15 ms 23716 KB Output is correct
7 Correct 12 ms 23800 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 12 ms 23828 KB Output is correct
11 Correct 12 ms 23836 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23800 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 11 ms 23800 KB Output is correct
16 Correct 12 ms 23720 KB Output is correct
17 Correct 14 ms 23720 KB Output is correct
18 Correct 14 ms 23744 KB Output is correct
19 Correct 16 ms 23772 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 13 ms 23892 KB Output is correct
22 Correct 12 ms 23788 KB Output is correct
23 Correct 13 ms 23892 KB Output is correct
24 Correct 13 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 13 ms 23788 KB Output is correct
28 Correct 13 ms 23756 KB Output is correct
29 Correct 13 ms 23796 KB Output is correct
30 Correct 253 ms 72936 KB Output is correct
31 Correct 273 ms 60460 KB Output is correct
32 Correct 173 ms 90448 KB Output is correct
33 Correct 180 ms 76160 KB Output is correct
34 Correct 183 ms 76172 KB Output is correct
35 Correct 168 ms 69860 KB Output is correct
36 Correct 191 ms 58084 KB Output is correct
37 Correct 154 ms 50284 KB Output is correct
38 Correct 165 ms 49396 KB Output is correct
39 Correct 197 ms 49492 KB Output is correct
40 Correct 175 ms 49516 KB Output is correct
41 Correct 232 ms 58492 KB Output is correct
42 Correct 219 ms 52928 KB Output is correct
43 Correct 176 ms 78540 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 341 ms 23860 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3594'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23704 KB Output is correct
2 Correct 15 ms 23764 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23708 KB Output is correct
5 Correct 15 ms 23820 KB Output is correct
6 Correct 15 ms 23716 KB Output is correct
7 Correct 12 ms 23800 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 12 ms 23828 KB Output is correct
11 Correct 12 ms 23836 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 12 ms 23800 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 11 ms 23800 KB Output is correct
16 Correct 12 ms 23720 KB Output is correct
17 Correct 14 ms 23720 KB Output is correct
18 Correct 14 ms 23744 KB Output is correct
19 Correct 16 ms 23772 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 13 ms 23892 KB Output is correct
22 Correct 12 ms 23788 KB Output is correct
23 Correct 13 ms 23892 KB Output is correct
24 Correct 13 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 13 ms 23788 KB Output is correct
28 Correct 13 ms 23756 KB Output is correct
29 Correct 13 ms 23796 KB Output is correct
30 Correct 253 ms 72936 KB Output is correct
31 Correct 273 ms 60460 KB Output is correct
32 Correct 173 ms 90448 KB Output is correct
33 Correct 180 ms 76160 KB Output is correct
34 Correct 183 ms 76172 KB Output is correct
35 Correct 168 ms 69860 KB Output is correct
36 Correct 191 ms 58084 KB Output is correct
37 Correct 154 ms 50284 KB Output is correct
38 Correct 165 ms 49396 KB Output is correct
39 Correct 197 ms 49492 KB Output is correct
40 Correct 175 ms 49516 KB Output is correct
41 Correct 232 ms 58492 KB Output is correct
42 Correct 219 ms 52928 KB Output is correct
43 Correct 176 ms 78540 KB Output is correct
44 Incorrect 341 ms 23860 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3594'
45 Halted 0 ms 0 KB -