oj.uz

Submission #641482

# Submission time Handle Problem Language Result Execution time Memory
641482 2022-09-16T19:12:58 Z ggoh Ancient Books (IOI17_books) C++14
50 / 100
 262 ms 82672 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];
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])
      {
        int tmp=1e9;
        for(auto &k:cycle[i])
        {
          tmp=min(tmp,abs(s-k));
        }
        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 11 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23692 KB Output is correct
5 Correct 11 ms 23764 KB Output is correct
6 Correct 11 ms 23796 KB Output is correct
7 Correct 12 ms 23692 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 12 ms 23788 KB Output is correct
10 Correct 13 ms 23764 KB Output is correct
11 Correct 11 ms 23796 KB Output is correct
12 Correct 11 ms 23804 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 12 ms 23704 KB Output is correct
15 Correct 12 ms 23796 KB Output is correct
16 Correct 14 ms 23704 KB Output is correct
17 Correct 12 ms 23696 KB Output is correct
18 Correct 12 ms 23764 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23692 KB Output is correct
5 Correct 11 ms 23764 KB Output is correct
6 Correct 11 ms 23796 KB Output is correct
7 Correct 12 ms 23692 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 12 ms 23788 KB Output is correct
10 Correct 13 ms 23764 KB Output is correct
11 Correct 11 ms 23796 KB Output is correct
12 Correct 11 ms 23804 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 12 ms 23704 KB Output is correct
15 Correct 12 ms 23796 KB Output is correct
16 Correct 14 ms 23704 KB Output is correct
17 Correct 12 ms 23696 KB Output is correct
18 Correct 12 ms 23764 KB Output is correct
19 Correct 12 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 12 ms 23804 KB Output is correct
22 Correct 13 ms 23800 KB Output is correct
23 Correct 14 ms 23764 KB Output is correct
24 Correct 12 ms 23840 KB Output is correct
25 Correct 14 ms 23800 KB Output is correct
26 Correct 13 ms 23792 KB Output is correct
27 Correct 12 ms 23796 KB Output is correct
28 Correct 12 ms 23764 KB Output is correct
29 Correct 12 ms 23764 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23692 KB Output is correct
5 Correct 11 ms 23764 KB Output is correct
6 Correct 11 ms 23796 KB Output is correct
7 Correct 12 ms 23692 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 12 ms 23788 KB Output is correct
10 Correct 13 ms 23764 KB Output is correct
11 Correct 11 ms 23796 KB Output is correct
12 Correct 11 ms 23804 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 12 ms 23704 KB Output is correct
15 Correct 12 ms 23796 KB Output is correct
16 Correct 14 ms 23704 KB Output is correct
17 Correct 12 ms 23696 KB Output is correct
18 Correct 12 ms 23764 KB Output is correct
19 Correct 12 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 12 ms 23804 KB Output is correct
22 Correct 13 ms 23800 KB Output is correct
23 Correct 14 ms 23764 KB Output is correct
24 Correct 12 ms 23840 KB Output is correct
25 Correct 14 ms 23800 KB Output is correct
26 Correct 13 ms 23792 KB Output is correct
27 Correct 12 ms 23796 KB Output is correct
28 Correct 12 ms 23764 KB Output is correct
29 Correct 12 ms 23764 KB Output is correct
30 Correct 245 ms 72804 KB Output is correct
31 Correct 262 ms 60532 KB Output is correct
32 Correct 151 ms 82672 KB Output is correct
33 Correct 159 ms 70732 KB Output is correct
34 Correct 158 ms 70772 KB Output is correct
35 Correct 158 ms 65616 KB Output is correct
36 Correct 146 ms 56064 KB Output is correct
37 Correct 143 ms 49920 KB Output is correct
38 Correct 149 ms 49412 KB Output is correct
39 Correct 153 ms 49284 KB Output is correct
40 Correct 171 ms 49548 KB Output is correct
41 Correct 207 ms 58524 KB Output is correct
42 Correct 189 ms 52852 KB Output is correct
43 Correct 162 ms 72524 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 23824 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3592'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23692 KB Output is correct
5 Correct 11 ms 23764 KB Output is correct
6 Correct 11 ms 23796 KB Output is correct
7 Correct 12 ms 23692 KB Output is correct
8 Correct 12 ms 23764 KB Output is correct
9 Correct 12 ms 23788 KB Output is correct
10 Correct 13 ms 23764 KB Output is correct
11 Correct 11 ms 23796 KB Output is correct
12 Correct 11 ms 23804 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 12 ms 23704 KB Output is correct
15 Correct 12 ms 23796 KB Output is correct
16 Correct 14 ms 23704 KB Output is correct
17 Correct 12 ms 23696 KB Output is correct
18 Correct 12 ms 23764 KB Output is correct
19 Correct 12 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 12 ms 23804 KB Output is correct
22 Correct 13 ms 23800 KB Output is correct
23 Correct 14 ms 23764 KB Output is correct
24 Correct 12 ms 23840 KB Output is correct
25 Correct 14 ms 23800 KB Output is correct
26 Correct 13 ms 23792 KB Output is correct
27 Correct 12 ms 23796 KB Output is correct
28 Correct 12 ms 23764 KB Output is correct
29 Correct 12 ms 23764 KB Output is correct
30 Correct 245 ms 72804 KB Output is correct
31 Correct 262 ms 60532 KB Output is correct
32 Correct 151 ms 82672 KB Output is correct
33 Correct 159 ms 70732 KB Output is correct
34 Correct 158 ms 70772 KB Output is correct
35 Correct 158 ms 65616 KB Output is correct
36 Correct 146 ms 56064 KB Output is correct
37 Correct 143 ms 49920 KB Output is correct
38 Correct 149 ms 49412 KB Output is correct
39 Correct 153 ms 49284 KB Output is correct
40 Correct 171 ms 49548 KB Output is correct
41 Correct 207 ms 58524 KB Output is correct
42 Correct 189 ms 52852 KB Output is correct
43 Correct 162 ms 72524 KB Output is correct
44 Incorrect 12 ms 23824 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3592'
45 Halted 0 ms 0 KB -