oj.uz

Submission #1042926

# Submission time Handle Problem Language Result Execution time Memory
1042926 2024-08-03T14:50:56 Z juicy Bitaro's travel (JOI23_travel) C++17
100 / 100
 304 ms 7276 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

const int N = 2e5 + 5;

int n, q;
int x[N];

int main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  cin >> n;
  for (int i = 1; i <= n; ++i) {
    cin >> x[i];
  }
  cin >> q;
  while (q--) {
    int s; cin >> s;
    int it = lower_bound(x + 1, x + n + 1, s) - x;
    int l, r;
    if (it == n + 1) {
      l = r = n;
    } else if (x[it] == s || it == 1) {
      l = r = it;
    } else if (x[it] - s < s - x[it - 1]) {
      l = r = it;
    } else {
      l = r = it - 1;
    }
    long long res = abs(s - x[l]);
    s = x[l];
    while (1) {
      if (l == 1) {
        res += abs(s - x[n]);
        break;
      }
      if (r == n) {
        res += abs(s - x[1]);
        break;
      }
      int L = x[l - 1], R = x[r + 1];
      if (s - L <= R - s) {
        int nxt = lower_bound(x + 1, x + n + 1, 2 * s - R) - x;
        res += abs(s - x[nxt]);
        s = x[nxt];
        l = nxt;
      } else {
        int nxt = upper_bound(x + 1, x + n + 1, 2 * s - L) - x - 1;
        res += abs(s - x[nxt]);
        s = x[nxt];
        r = nxt;
      }
    }
    cout << res << "\n";
  }
  return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 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 464 KB Output is correct
10 Correct 0 ms 348 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 1 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 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 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 464 KB Output is correct
10 Correct 0 ms 348 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 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 12 ms 3164 KB Output is correct
18 Correct 14 ms 2984 KB Output is correct
19 Correct 13 ms 3164 KB Output is correct
20 Correct 12 ms 3100 KB Output is correct
21 Correct 14 ms 3080 KB Output is correct
22 Correct 16 ms 3160 KB Output is correct
23 Correct 12 ms 3164 KB Output is correct
24 Correct 12 ms 3136 KB Output is correct
25 Correct 13 ms 3164 KB Output is correct
26 Correct 14 ms 3160 KB Output is correct
27 Correct 14 ms 3164 KB Output is correct
28 Correct 15 ms 3140 KB Output is correct
29 Correct 12 ms 2908 KB Output is correct
30 Correct 13 ms 2892 KB Output is correct
31 Correct 12 ms 2880 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 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 264 ms 5152 KB Output is correct
8 Correct 257 ms 4948 KB Output is correct
9 Correct 257 ms 4936 KB Output is correct
10 Correct 254 ms 4948 KB Output is correct
11 Correct 259 ms 5164 KB Output is correct
12 Correct 253 ms 4948 KB Output is correct
13 Correct 23 ms 4180 KB Output is correct
14 Correct 22 ms 1620 KB Output is correct
15 Correct 167 ms 6228 KB Output is correct
16 Correct 172 ms 6232 KB Output is correct
17 Correct 171 ms 6228 KB Output is correct
18 Correct 23 ms 4188 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 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 464 KB Output is correct
10 Correct 0 ms 348 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 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 12 ms 3164 KB Output is correct
18 Correct 14 ms 2984 KB Output is correct
19 Correct 13 ms 3164 KB Output is correct
20 Correct 12 ms 3100 KB Output is correct
21 Correct 14 ms 3080 KB Output is correct
22 Correct 16 ms 3160 KB Output is correct
23 Correct 12 ms 3164 KB Output is correct
24 Correct 12 ms 3136 KB Output is correct
25 Correct 13 ms 3164 KB Output is correct
26 Correct 14 ms 3160 KB Output is correct
27 Correct 14 ms 3164 KB Output is correct
28 Correct 15 ms 3140 KB Output is correct
29 Correct 12 ms 2908 KB Output is correct
30 Correct 13 ms 2892 KB Output is correct
31 Correct 12 ms 2880 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 264 ms 5152 KB Output is correct
39 Correct 257 ms 4948 KB Output is correct
40 Correct 257 ms 4936 KB Output is correct
41 Correct 254 ms 4948 KB Output is correct
42 Correct 259 ms 5164 KB Output is correct
43 Correct 253 ms 4948 KB Output is correct
44 Correct 23 ms 4180 KB Output is correct
45 Correct 22 ms 1620 KB Output is correct
46 Correct 167 ms 6228 KB Output is correct
47 Correct 172 ms 6232 KB Output is correct
48 Correct 171 ms 6228 KB Output is correct
49 Correct 23 ms 4188 KB Output is correct
50 Correct 210 ms 7252 KB Output is correct
51 Correct 175 ms 7252 KB Output is correct
52 Correct 175 ms 7248 KB Output is correct
53 Correct 301 ms 7252 KB Output is correct
54 Correct 304 ms 7276 KB Output is correct
55 Correct 300 ms 7252 KB Output is correct
56 Correct 41 ms 6992 KB Output is correct
57 Correct 40 ms 6996 KB Output is correct
58 Correct 46 ms 7152 KB Output is correct