답안 #1057713

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1057713	2024-08-14T03:58:15 Z	juicy	Arranging Tickets (JOI17_arranging_tickets)	C++17	100 / 100	46 ms	4144 KB

arranging_tickets

// https://www.luogu.com.cn/article/lqa8q1lu
// https://oj.uz/submission/684837

#include <bits/stdc++.h>

using namespace std;

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

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

  int n, m; cin >> n >> m;
  vector<long long> a(n);
  vector<array<int, 3>> cands(m);
  for (int i = 0; i < m; ++i) {
    int l, r, c; cin >> l >> r >> c;
    if (l > r) {
      swap(l, r);
    }
    --l, --r;
    a[l] += c;
    a[r] -= c;
    cands[i] = {l, r, c};
  } 
  for (int i = 1; i <= n; ++i) {
    a[i] += a[i - 1];
  }
  auto qry = [&](int k) {
    fill(a.begin(), a.end(), 0);
    priority_queue<array<int, 2>> pq;
    long long res = 0;
    for (int i = 0, j = 0; i < n; ++i) {
      while (j < m && cands[j][0] == i) {
        auto [l, r, c] = cands[j++];
        a[l] += c;
        a[r] -= c;
        pq.push({r, c});
      }
      if (i) {
        a[i] += a[i - 1];
      }
      while (a[i] > k) {
        auto [r, c] = pq.top(); pq.pop();
        long long x = min((long long) c, (a[i] - k + 1) / 2);
        c -= x;
        a[i] -= 2 * x;
        a[r] += 2 * x;
        res += x;
        if (c) {
          pq.push({r, c});
        }
      }
    } 
    return res + k;
  };
  int p = max_element(a.begin(), a.end()) - a.begin();
  for (int i = 0; i < m; ++i) {
    auto &[l, r, c] = cands[i];
    l = (l - p - 1 + n) % n;
    r = (r - p - 1 + n) % n;
    if (l > r) {
      swap(l, r);
    }
  }
  sort(cands.begin(), cands.end());
  cout << min(qry(0), qry(1));
  return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	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	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	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	0 ms	348 KB	Output is correct

Subtask #2
35.0 / 35.0

#	결과	실행 시간	메모리	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	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	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	0 ms	348 KB	Output is correct
16	Correct	0 ms	456 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	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	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	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	0 ms	348 KB	Output is correct
16	Correct	0 ms	456 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	516 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	2 ms	348 KB	Output is correct
38	Correct	2 ms	348 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	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	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	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	0 ms	348 KB	Output is correct
16	Correct	0 ms	456 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	516 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	2 ms	348 KB	Output is correct
38	Correct	2 ms	348 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	36 ms	4144 KB	Output is correct
41	Correct	36 ms	4112 KB	Output is correct
42	Correct	33 ms	4112 KB	Output is correct
43	Correct	32 ms	4100 KB	Output is correct
44	Correct	33 ms	4100 KB	Output is correct
45	Correct	33 ms	4032 KB	Output is correct
46	Correct	31 ms	3740 KB	Output is correct
47	Correct	36 ms	3860 KB	Output is correct
48	Correct	34 ms	3900 KB	Output is correct
49	Correct	36 ms	3280 KB	Output is correct
50	Correct	25 ms	4108 KB	Output is correct
51	Correct	28 ms	3980 KB	Output is correct

Subtask #5
15.0 / 15.0

#	결과	실행 시간	메모리	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	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	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	0 ms	348 KB	Output is correct
16	Correct	0 ms	456 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	516 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	2 ms	348 KB	Output is correct
38	Correct	2 ms	348 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	36 ms	4144 KB	Output is correct
41	Correct	36 ms	4112 KB	Output is correct
42	Correct	33 ms	4112 KB	Output is correct
43	Correct	32 ms	4100 KB	Output is correct
44	Correct	33 ms	4100 KB	Output is correct
45	Correct	33 ms	4032 KB	Output is correct
46	Correct	31 ms	3740 KB	Output is correct
47	Correct	36 ms	3860 KB	Output is correct
48	Correct	34 ms	3900 KB	Output is correct
49	Correct	36 ms	3280 KB	Output is correct
50	Correct	25 ms	4108 KB	Output is correct
51	Correct	28 ms	3980 KB	Output is correct
52	Correct	42 ms	4116 KB	Output is correct
53	Correct	45 ms	4120 KB	Output is correct
54	Correct	46 ms	4096 KB	Output is correct
55	Correct	43 ms	4112 KB	Output is correct
56	Correct	41 ms	4088 KB	Output is correct
57	Correct	40 ms	3900 KB	Output is correct
58	Correct	38 ms	3904 KB	Output is correct
59	Correct	32 ms	3136 KB	Output is correct

답안 #1057713

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 35.0 / 35.0

Subtask #3 20.0 / 20.0

Subtask #4 20.0 / 20.0

Subtask #5 15.0 / 15.0

Subtask #1
10.0 / 10.0

Subtask #2
35.0 / 35.0

Subtask #3
20.0 / 20.0

Subtask #4
20.0 / 20.0

Subtask #5
15.0 / 15.0