oj.uz

Submission #891158

# Submission time Handle Problem Language Result Execution time Memory
891158 2023-12-22T09:10:21 Z viwlesxq Bitaro's travel (JOI23_travel) C++17
100 / 100
 413 ms 4436 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) x.begin(), x.end()
#define size(x) (int)x.size()

template<class S, class T>
bool chmin(S &a, const T &b) {
    return a > b && (a = b) == b;
}
template<class S, class T>
bool chmax(S &a, const T &b) {
    return a < b && (a = b) == b;
}
const int inf = 1e9 + 7;
const int INF = 1e18 + 7;
const int mod = 998244353;

int n;
vector<int> x;

int solve(int l, int r, bool direction) {
    int p = x[direction ? r : l];
    if (l == 0) {
        return x[n - 1] - p;
    } else if (r == n - 1) {
        return p - x[0];
    } else if (p - x[l - 1] <= x[r + 1] - p) {
        int q = lower_bound(all(x), 2 * p - x[r + 1]) - x.begin();
        return p - x[q] + solve(q, r, false);
    } else {
        int q = upper_bound(all(x), 2 * p - x[l - 1]) - x.begin() - 1;
        return x[q] - p + solve(l, q, true);
    }
}

signed main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n;
    x.resize(n);
    for (int i = 0; i < n; ++i) {
        cin >> x[i];
    }
    int q;
    cin >> q;
    while (q--) {
        int s;
        cin >> s;
        int p = upper_bound(all(x), s) - x.begin() - 1;
        if (p == -1) {
            cout << x[n - 1] - s << '\n';
        } else if (p == n - 1) {
            cout << s - x[0] << '\n';
        } else if (s - x[p] <= x[p + 1] - s) {
            cout << s - x[p] + solve(p, p, false) << '\n';
        } else {
            cout << x[p + 1] - s + solve(p + 1, p + 1, true) << '\n';
        }
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 416 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 416 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 15 ms 1884 KB Output is correct
18 Correct 15 ms 1884 KB Output is correct
19 Correct 14 ms 1884 KB Output is correct
20 Correct 14 ms 1884 KB Output is correct
21 Correct 15 ms 1880 KB Output is correct
22 Correct 15 ms 1884 KB Output is correct
23 Correct 16 ms 1884 KB Output is correct
24 Correct 14 ms 1884 KB Output is correct
25 Correct 15 ms 1884 KB Output is correct
26 Correct 14 ms 2136 KB Output is correct
27 Correct 15 ms 1884 KB Output is correct
28 Correct 14 ms 1884 KB Output is correct
29 Correct 15 ms 1884 KB Output is correct
30 Correct 14 ms 1908 KB Output is correct
31 Correct 14 ms 1884 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 348 ms 3232 KB Output is correct
8 Correct 347 ms 3400 KB Output is correct
9 Correct 346 ms 3232 KB Output is correct
10 Correct 346 ms 3620 KB Output is correct
11 Correct 343 ms 3332 KB Output is correct
12 Correct 348 ms 3452 KB Output is correct
13 Correct 30 ms 2392 KB Output is correct
14 Correct 21 ms 856 KB Output is correct
15 Correct 229 ms 3948 KB Output is correct
16 Correct 232 ms 3636 KB Output is correct
17 Correct 228 ms 3588 KB Output is correct
18 Correct 31 ms 2128 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 416 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 15 ms 1884 KB Output is correct
18 Correct 15 ms 1884 KB Output is correct
19 Correct 14 ms 1884 KB Output is correct
20 Correct 14 ms 1884 KB Output is correct
21 Correct 15 ms 1880 KB Output is correct
22 Correct 15 ms 1884 KB Output is correct
23 Correct 16 ms 1884 KB Output is correct
24 Correct 14 ms 1884 KB Output is correct
25 Correct 15 ms 1884 KB Output is correct
26 Correct 14 ms 2136 KB Output is correct
27 Correct 15 ms 1884 KB Output is correct
28 Correct 14 ms 1884 KB Output is correct
29 Correct 15 ms 1884 KB Output is correct
30 Correct 14 ms 1908 KB Output is correct
31 Correct 14 ms 1884 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 348 ms 3232 KB Output is correct
39 Correct 347 ms 3400 KB Output is correct
40 Correct 346 ms 3232 KB Output is correct
41 Correct 346 ms 3620 KB Output is correct
42 Correct 343 ms 3332 KB Output is correct
43 Correct 348 ms 3452 KB Output is correct
44 Correct 30 ms 2392 KB Output is correct
45 Correct 21 ms 856 KB Output is correct
46 Correct 229 ms 3948 KB Output is correct
47 Correct 232 ms 3636 KB Output is correct
48 Correct 228 ms 3588 KB Output is correct
49 Correct 31 ms 2128 KB Output is correct
50 Correct 312 ms 4096 KB Output is correct
51 Correct 250 ms 4436 KB Output is correct
52 Correct 239 ms 4040 KB Output is correct
53 Correct 413 ms 4080 KB Output is correct
54 Correct 407 ms 4076 KB Output is correct
55 Correct 405 ms 4076 KB Output is correct
56 Correct 55 ms 3924 KB Output is correct
57 Correct 55 ms 3924 KB Output is correct
58 Correct 55 ms 3920 KB Output is correct