oj.uz

Submission #938139

# Submission time Handle Problem Language Result Execution time Memory
938139 2024-03-04T22:12:22 Z snpmrnhlol Ancient Books (IOI17_books) C++17
50 / 100
 106 ms 27568 KB 
#include "books.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll N = 1e6;
const ll inf = 2e9;
bool vis[N];
vector <int> points;
int l[N],r[N];
long long minimum_walk(std::vector<int> p, int s) {
    int n = p.size();
    ll ans = 0;
    ll mn2 = s;
    ll mx2 = s;
    for(ll i = 0;i < n;i++){
        ans+=abs(i - p[i]);
        if(i != p[i]){
            mx2 = max(mx2,i);
            mn2 = min(mn2,i);
        }
        if(!vis[i]){
            points.clear();
            int nr = i;
            int mx = -inf;
            int mn = inf;
            while(!vis[nr]){
                vis[nr] = 1;
                mx = max(mx,nr);
                mn = min(mn,nr);
                points.push_back(nr);
                nr = p[nr];
            }
            for(auto j:points){
                l[j] = mn;
                r[j] = mx;
            }
        }
    }
    int curl,curr,exl,exr;
    curl = s;exl = l[s];
    curr = s;exr = r[s];
    //cout<<mn2<<' '<<mx2<<' '<<exl<<' '<<exr<<' '<<curl<<' '<<curr<<'\n';
    while(exl > mn2 || exr < mx2){
        if(curl > exl){
            curl--;
            exl = min(exl,l[curl]);
            exr = max(exr,r[curl]);
        }else if(curr < exr){
            curr++;
            exl = min(exl,l[curr]);
            exr = max(exr,r[curr]);
        }else{
            int costl = 0;
            bool ok = 0;
            int x = exl;
            int exl2 = exl;
            while(x > mn2){
                if(r[x] > exr){
                    ok = 1;
                    break;
                }
                exl2 = min(exl2,l[x]);
                if(x == exl2){
                    costl+=2;
                    exl2--;
                }
                x--;
            }
            int costr = 0;
            int exr2 = exr;
            x = exr;
            while(x < mx2){
                if(l[x] < exl){
                    ok = 1;
                    break;
                }
                exr2 = max(exr2,r[x]);
                if(x == exr2){
                    costr+=2;
                    exr2++;
                }
                x++;
            }
            if(ok){
                if(costl > costr){
                    exr = exr2;
                    ans+=costr;
                }else{
                    exl = exl2;
                    ans+=costl;
                }
            }else{
                ans+=costl;
                ans+=costr;
                break;
            }
        }
    }
    //cout<<ans<<'\n';
	return ans;
}
/**
7 3
6 1 2 3 4 5 0
7 3
2 1 0 3 6 5 4
**/

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 2 ms 4444 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4552 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 2 ms 4444 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4552 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4704 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4544 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 2 ms 4444 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4552 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4704 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4544 KB Output is correct
30 Correct 106 ms 27568 KB Output is correct
31 Correct 99 ms 25324 KB Output is correct
32 Correct 74 ms 23680 KB Output is correct
33 Correct 84 ms 23892 KB Output is correct
34 Correct 82 ms 23636 KB Output is correct
35 Correct 85 ms 23636 KB Output is correct
36 Correct 89 ms 23660 KB Output is correct
37 Correct 89 ms 23660 KB Output is correct
38 Correct 78 ms 23684 KB Output is correct
39 Correct 79 ms 23788 KB Output is correct
40 Correct 82 ms 24016 KB Output is correct
41 Correct 95 ms 25544 KB Output is correct
42 Correct 89 ms 24512 KB Output is correct
43 Correct 78 ms 23636 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Incorrect 1 ms 4536 KB 3rd lines differ - on the 1st token, expected: '446014', found: '446016'
12 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 2 ms 4444 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4552 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4704 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4544 KB Output is correct
30 Correct 106 ms 27568 KB Output is correct
31 Correct 99 ms 25324 KB Output is correct
32 Correct 74 ms 23680 KB Output is correct
33 Correct 84 ms 23892 KB Output is correct
34 Correct 82 ms 23636 KB Output is correct
35 Correct 85 ms 23636 KB Output is correct
36 Correct 89 ms 23660 KB Output is correct
37 Correct 89 ms 23660 KB Output is correct
38 Correct 78 ms 23684 KB Output is correct
39 Correct 79 ms 23788 KB Output is correct
40 Correct 82 ms 24016 KB Output is correct
41 Correct 95 ms 25544 KB Output is correct
42 Correct 89 ms 24512 KB Output is correct
43 Correct 78 ms 23636 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4700 KB Output is correct
51 Correct 1 ms 4444 KB Output is correct
52 Correct 1 ms 4440 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Incorrect 1 ms 4536 KB 3rd lines differ - on the 1st token, expected: '446014', found: '446016'
55 Halted 0 ms 0 KB -