oj.uz

Submission #40282

# Submission time Handle Problem Language Result Execution time Memory
40282 2018-01-30T15:36:39 Z jackyliuxx Ancient Books (IOI17_books) C++14
22 / 100
 223 ms 17652 KB 
#include "books.h"
#include <bits/stdc++.h>
using namespace std;

long long minimum_walk(std::vector<int> p, int s) {
    int ans = 0;
    int n = p.size();
    vector<int> group(n);
    for (int i = 0; i < n; i++) {
        group[i] = i;
    }
    for (int i = 0; i < n; i++) {
        if (group[i] == i) {
            int x = i;
            while (p[x] != i) {
                ans += abs(p[x] - x);
                x = p[x];
                group[x] = i;
            }
            ans += abs(p[x] - x);
        }
    }
    vector<int> end(n, -1);
    for (int i = 0; i < n; i++) {
        end[group[i]] = max(end[group[i]], i);
    }
    int min_group = 0;
    for (int i = 0; i < n; i++) {
        if (min_group == -1) {
            ans += 2;
            min_group = i;
        } else {
            end[min_group] = max(end[min_group], end[group[i]]);
            group[i] = min_group;
        }
        if (i == end[min_group]) {
            min_group = -1;
        }
    }
    for (int i = 0; i < s && p[i] == i; i++) {
        ans -= 2;
    }
    for (int i = n - 1; i > s && p[i] == i; i--) {
        ans -= 2;
    }
	return ans;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Correct 0 ms 2020 KB Output is correct
8 Correct 0 ms 2020 KB Output is correct
9 Correct 0 ms 2020 KB Output is correct
10 Correct 0 ms 2020 KB Output is correct
11 Correct 0 ms 2020 KB Output is correct
12 Correct 0 ms 2020 KB Output is correct
13 Correct 0 ms 2020 KB Output is correct
14 Correct 0 ms 2020 KB Output is correct
15 Correct 0 ms 2020 KB Output is correct
16 Correct 0 ms 2020 KB Output is correct
17 Correct 0 ms 2020 KB Output is correct
18 Correct 0 ms 2020 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Correct 0 ms 2020 KB Output is correct
8 Correct 0 ms 2020 KB Output is correct
9 Correct 0 ms 2020 KB Output is correct
10 Correct 0 ms 2020 KB Output is correct
11 Correct 0 ms 2020 KB Output is correct
12 Correct 0 ms 2020 KB Output is correct
13 Correct 0 ms 2020 KB Output is correct
14 Correct 0 ms 2020 KB Output is correct
15 Correct 0 ms 2020 KB Output is correct
16 Correct 0 ms 2020 KB Output is correct
17 Correct 0 ms 2020 KB Output is correct
18 Correct 0 ms 2020 KB Output is correct
19 Correct 0 ms 2020 KB Output is correct
20 Correct 0 ms 2020 KB Output is correct
21 Correct 0 ms 2020 KB Output is correct
22 Correct 1 ms 2020 KB Output is correct
23 Correct 1 ms 2020 KB Output is correct
24 Correct 1 ms 2020 KB Output is correct
25 Correct 0 ms 2020 KB Output is correct
26 Correct 0 ms 2020 KB Output is correct
27 Correct 0 ms 2020 KB Output is correct
28 Correct 1 ms 2020 KB Output is correct
29 Correct 1 ms 2020 KB Output is correct

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Correct 0 ms 2020 KB Output is correct
8 Correct 0 ms 2020 KB Output is correct
9 Correct 0 ms 2020 KB Output is correct
10 Correct 0 ms 2020 KB Output is correct
11 Correct 0 ms 2020 KB Output is correct
12 Correct 0 ms 2020 KB Output is correct
13 Correct 0 ms 2020 KB Output is correct
14 Correct 0 ms 2020 KB Output is correct
15 Correct 0 ms 2020 KB Output is correct
16 Correct 0 ms 2020 KB Output is correct
17 Correct 0 ms 2020 KB Output is correct
18 Correct 0 ms 2020 KB Output is correct
19 Correct 0 ms 2020 KB Output is correct
20 Correct 0 ms 2020 KB Output is correct
21 Correct 0 ms 2020 KB Output is correct
22 Correct 1 ms 2020 KB Output is correct
23 Correct 1 ms 2020 KB Output is correct
24 Correct 1 ms 2020 KB Output is correct
25 Correct 0 ms 2020 KB Output is correct
26 Correct 0 ms 2020 KB Output is correct
27 Correct 0 ms 2020 KB Output is correct
28 Correct 1 ms 2020 KB Output is correct
29 Correct 1 ms 2020 KB Output is correct
30 Incorrect 223 ms 17652 KB 3rd lines differ - on the 1st token, expected: '333035179244', found: '-1972269844'
31 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2020 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Correct 0 ms 2020 KB Output is correct
8 Correct 0 ms 2020 KB Output is correct
9 Correct 0 ms 2020 KB Output is correct
10 Correct 0 ms 2020 KB Output is correct
11 Correct 0 ms 2020 KB Output is correct
12 Correct 0 ms 2020 KB Output is correct
13 Correct 0 ms 2020 KB Output is correct
14 Correct 0 ms 2020 KB Output is correct
15 Correct 0 ms 2020 KB Output is correct
16 Correct 0 ms 2020 KB Output is correct
17 Correct 0 ms 2020 KB Output is correct
18 Correct 0 ms 2020 KB Output is correct
19 Correct 0 ms 2020 KB Output is correct
20 Correct 0 ms 2020 KB Output is correct
21 Correct 0 ms 2020 KB Output is correct
22 Correct 1 ms 2020 KB Output is correct
23 Correct 1 ms 2020 KB Output is correct
24 Correct 1 ms 2020 KB Output is correct
25 Correct 0 ms 2020 KB Output is correct
26 Correct 0 ms 2020 KB Output is correct
27 Correct 0 ms 2020 KB Output is correct
28 Correct 1 ms 2020 KB Output is correct
29 Correct 1 ms 2020 KB Output is correct
30 Incorrect 223 ms 17652 KB 3rd lines differ - on the 1st token, expected: '333035179244', found: '-1972269844'
31 Halted 0 ms 0 KB -