Submission #838201

# Submission time Handle Problem Language Result Execution time Memory
838201 2023-08-26T10:19:16 Z Johann Ancient Books (IOI17_books) C++14
50 / 100
161 ms 34772 KB
#include "books.h"
#include "bits/stdc++.h"
using namespace std;

typedef long long ll;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef pair<ll, ll> pii;
typedef vector<pii> vpii;
typedef vector<vpii> vvpii;
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()

int N;
ll cost;
vi vis, P;

void cycle(int i, int &mini, int &maxi)
{
	if (vis[i])
		return;
	mini = min(mini, i);
	maxi = max(maxi, i);
	vis[i] = 1;
	cost += (ll)abs(P[i] - i);
	cycle(P[i], mini, maxi);
}

long long minimum_walk(std::vector<int> p, int s)
{
	N = sz(p);
	P.resize(N);
	for (int i = 0; i < N; ++i)
		P[i] = p[i];

	vis.assign(N, false);
	cost = 0;
	vpii borders;
	for (int i = 0, mini, maxi; i < N; ++i)
	{
		if (!vis[i] && P[i] != i)
		{
			mini = maxi = i;
			cycle(i, mini, maxi);
			borders.push_back({mini, maxi});
		}
	}
	sort(all(borders));

	ll pos = s;
	for (pii b : borders)
	{
		cost += 2 * max(0LL, b.first - pos);
		pos = max(pos, b.second);
	}

	return cost;
}
# 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 296 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
# 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 296 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
# 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 296 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 148 ms 30444 KB Output is correct
31 Correct 161 ms 30524 KB Output is correct
32 Correct 104 ms 30448 KB Output is correct
33 Correct 96 ms 34648 KB Output is correct
34 Correct 95 ms 34652 KB Output is correct
35 Correct 97 ms 34768 KB Output is correct
36 Correct 95 ms 34652 KB Output is correct
37 Correct 95 ms 31180 KB Output is correct
38 Correct 90 ms 30696 KB Output is correct
39 Correct 93 ms 30704 KB Output is correct
40 Correct 107 ms 30432 KB Output is correct
41 Correct 121 ms 30444 KB Output is correct
42 Correct 106 ms 30432 KB Output is correct
43 Correct 109 ms 34772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# 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 296 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 148 ms 30444 KB Output is correct
31 Correct 161 ms 30524 KB Output is correct
32 Correct 104 ms 30448 KB Output is correct
33 Correct 96 ms 34648 KB Output is correct
34 Correct 95 ms 34652 KB Output is correct
35 Correct 97 ms 34768 KB Output is correct
36 Correct 95 ms 34652 KB Output is correct
37 Correct 95 ms 31180 KB Output is correct
38 Correct 90 ms 30696 KB Output is correct
39 Correct 93 ms 30704 KB Output is correct
40 Correct 107 ms 30432 KB Output is correct
41 Correct 121 ms 30444 KB Output is correct
42 Correct 106 ms 30432 KB Output is correct
43 Correct 109 ms 34772 KB Output is correct
44 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -