oj.uz

Submission #585704

# Submission time Handle Problem Language Result Execution time Memory
585704 2022-06-29T08:47:29 Z InternetPerson10 Ancient Books (IOI17_books) C++17
50 / 100
 1060 ms 231308 KB 
#include "books.h"
#include <bits/stdc++.h>
typedef long long ll;

using namespace std;

vector<vector<int>> adj;
vector<int> dist;

long long minimum_walk(vector<int> p, int s) {
    ll tot = 0;
    int n = p.size();
    vector<bool> taken(n, false);
    int g = n;
    adj.resize(n);
    for(int i = 1; i < n; i++) {
        adj[i].push_back(i-1);
        adj[i-1].push_back(i);
    }
    for(int i = 0; i < n; i++) {
        if(!taken[i]) {
            adj.push_back(vector<int>());
            int x = i;
            int l = i, r = i;
            while(!taken[x]) {
                taken[x] = true;
                tot += abs(x - p[x]);
                x = p[x];
                l = min(l, x);
                r = max(r, x);
                adj[x].push_back(g);
            }
            for(int j = l; j <= r; j++) {
                adj[g].push_back(j);
            }
            g++;
        }
    }
    dist.resize(g, 1e9 + 7);
    int best = 0;
    priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq;
    pq.push({0, s});
    while(pq.size()) {
        auto pa = pq.top();
        pq.pop();
        int len = pa.first, x = pa.second;
        if(len > dist[x]) continue;
        if(x < n) {
            if(p[x] != x) best = max(best, len);
        }
        for(int ch : adj[x]) {
            int goLength;
            if(max(ch, x) < n) {
                goLength = len + 1;
            }
            else {
                goLength = len;
            }
            if(dist[ch] <= goLength) continue;
            dist[ch] = goLength;
            pq.push({goLength, ch});
        }
    }
	return tot + 2 * best;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 428 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 428 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 428 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 428 KB Output is correct
30 Correct 981 ms 114320 KB Output is correct
31 Correct 1060 ms 128652 KB Output is correct
32 Correct 310 ms 132328 KB Output is correct
33 Correct 315 ms 114632 KB Output is correct
34 Correct 368 ms 114748 KB Output is correct
35 Correct 310 ms 107284 KB Output is correct
36 Correct 319 ms 95776 KB Output is correct
37 Correct 412 ms 98228 KB Output is correct
38 Correct 451 ms 105896 KB Output is correct
39 Correct 475 ms 105900 KB Output is correct
40 Correct 543 ms 109260 KB Output is correct
41 Correct 764 ms 120080 KB Output is correct
42 Correct 713 ms 124696 KB Output is correct
43 Correct 815 ms 231308 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Incorrect 1 ms 300 KB 3rd lines differ - on the 1st token, expected: '2094', found: '1592'
5 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 428 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 428 KB Output is correct
30 Correct 981 ms 114320 KB Output is correct
31 Correct 1060 ms 128652 KB Output is correct
32 Correct 310 ms 132328 KB Output is correct
33 Correct 315 ms 114632 KB Output is correct
34 Correct 368 ms 114748 KB Output is correct
35 Correct 310 ms 107284 KB Output is correct
36 Correct 319 ms 95776 KB Output is correct
37 Correct 412 ms 98228 KB Output is correct
38 Correct 451 ms 105896 KB Output is correct
39 Correct 475 ms 105900 KB Output is correct
40 Correct 543 ms 109260 KB Output is correct
41 Correct 764 ms 120080 KB Output is correct
42 Correct 713 ms 124696 KB Output is correct
43 Correct 815 ms 231308 KB Output is correct
44 Correct 2 ms 340 KB Output is correct
45 Correct 1 ms 432 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Incorrect 1 ms 300 KB 3rd lines differ - on the 1st token, expected: '2094', found: '1592'
48 Halted 0 ms 0 KB -