oj.uz

Submission #938141

# Submission time Handle Problem Language Result Execution time Memory
938141 2024-03-04T22:19:58 Z snpmrnhlol Ancient Books (IOI17_books) C++17
100 / 100
 120 ms 23920 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{
            //cout<<curl<<' '<<curr<<'\n';
            int costl = 0;
            bool ok = 0;
            int x = exl;
            int exl2 = exl;
            while(x > mn2){
                exl2 = min(exl2,l[x]);
                if(x == exl2){
                    costl+=2;
                    exl2--;
                }
                x--;
                if(r[x] > exr){
                    ok = 1;
                    break;
                }
            }
            int costr = 0;
            int exr2 = exr;
            x = exr;
            while(x < mx2){
                exr2 = max(exr2,r[x]);
                if(x == exr2){
                    costr+=2;
                    exr2++;
                }
                x++;
                if(l[x] < exl){
                    ok = 1;
                    break;
                }
            }
            if(ok){
                if(costl > costr){
                    exr = exr2;
                    ans+=costr;
                }else{
                    exl = exl2;
                    ans+=costl;
                }
            }else{
                ans+=costl;
                ans+=costr;
                break;
            }
        }
    }
	return ans;
}
/**
3 1
2 1 0
**/

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4536 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 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 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 4444 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 4444 KB Output is correct
2 Correct 1 ms 4536 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 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 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 4444 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 4440 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4484 KB Output is correct
28 Correct 2 ms 4444 KB Output is correct
29 Correct 1 ms 4696 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4536 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 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 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 4444 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 4440 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4484 KB Output is correct
28 Correct 2 ms 4444 KB Output is correct
29 Correct 1 ms 4696 KB Output is correct
30 Correct 107 ms 20664 KB Output is correct
31 Correct 100 ms 18544 KB Output is correct
32 Correct 70 ms 16896 KB Output is correct
33 Correct 109 ms 17080 KB Output is correct
34 Correct 81 ms 16996 KB Output is correct
35 Correct 81 ms 17060 KB Output is correct
36 Correct 112 ms 16976 KB Output is correct
37 Correct 76 ms 16980 KB Output is correct
38 Correct 76 ms 16980 KB Output is correct
39 Correct 75 ms 16912 KB Output is correct
40 Correct 83 ms 17348 KB Output is correct
41 Correct 93 ms 18804 KB Output is correct
42 Correct 94 ms 17596 KB Output is correct
43 Correct 82 ms 16980 KB Output is correct

Subtask #4
20.0 / 20.0

# 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 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4532 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 4696 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 4544 KB Output is correct
19 Correct 1 ms 4440 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4536 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 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 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 4444 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 4440 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4484 KB Output is correct
28 Correct 2 ms 4444 KB Output is correct
29 Correct 1 ms 4696 KB Output is correct
30 Correct 107 ms 20664 KB Output is correct
31 Correct 100 ms 18544 KB Output is correct
32 Correct 70 ms 16896 KB Output is correct
33 Correct 109 ms 17080 KB Output is correct
34 Correct 81 ms 16996 KB Output is correct
35 Correct 81 ms 17060 KB Output is correct
36 Correct 112 ms 16976 KB Output is correct
37 Correct 76 ms 16980 KB Output is correct
38 Correct 76 ms 16980 KB Output is correct
39 Correct 75 ms 16912 KB Output is correct
40 Correct 83 ms 17348 KB Output is correct
41 Correct 93 ms 18804 KB Output is correct
42 Correct 94 ms 17596 KB Output is correct
43 Correct 82 ms 16980 KB Output is correct
44 Correct 1 ms 4440 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 4444 KB Output is correct
51 Correct 1 ms 4444 KB Output is correct
52 Correct 1 ms 4444 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 1 ms 4444 KB Output is correct
55 Correct 1 ms 4532 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 4696 KB Output is correct
59 Correct 1 ms 4444 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 4544 KB Output is correct
62 Correct 1 ms 4440 KB Output is correct
63 Correct 1 ms 4444 KB Output is correct
64 Correct 83 ms 23680 KB Output is correct
65 Correct 104 ms 23680 KB Output is correct
66 Correct 106 ms 23796 KB Output is correct
67 Correct 89 ms 23676 KB Output is correct
68 Correct 9 ms 10180 KB Output is correct
69 Correct 9 ms 10128 KB Output is correct
70 Correct 9 ms 10076 KB Output is correct
71 Correct 9 ms 10076 KB Output is correct
72 Correct 10 ms 10132 KB Output is correct
73 Correct 9 ms 10076 KB Output is correct
74 Correct 84 ms 23640 KB Output is correct
75 Correct 120 ms 23692 KB Output is correct
76 Correct 84 ms 23672 KB Output is correct
77 Correct 79 ms 23796 KB Output is correct
78 Correct 84 ms 23636 KB Output is correct
79 Correct 95 ms 23772 KB Output is correct
80 Correct 72 ms 23632 KB Output is correct
81 Correct 75 ms 23636 KB Output is correct
82 Correct 76 ms 23636 KB Output is correct
83 Correct 85 ms 23636 KB Output is correct
84 Correct 89 ms 23768 KB Output is correct
85 Correct 82 ms 23680 KB Output is correct
86 Correct 80 ms 23684 KB Output is correct
87 Correct 82 ms 23804 KB Output is correct
88 Correct 96 ms 23920 KB Output is correct
89 Correct 82 ms 23636 KB Output is correct
90 Correct 81 ms 23640 KB Output is correct
91 Correct 79 ms 23632 KB Output is correct
92 Correct 81 ms 23892 KB Output is correct