답안 #989607

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
989607	2024-05-28T12:00:02 Z	aykhn	Palembang Bridges (APIO15_bridge)	C++17	100 / 100	76 ms	8820 KB

bridge

#include <bits/stdc++.h>
 
using namespace std;
 
#define int long long
#define inf 0x3F3F3F3F3F3F3F3F
 
signed main()
{
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int k, n, S = 0;
  cin >> k >> n;
  vector<array<int, 2>> v;
  for (int i = 0; i < n; i++)
  {
    char a, b;
    int l, r;
    cin >> a >> l >> b >> r;
    if (l > r) swap(l, r);
    if (a == b) S += r - l;
    else v.push_back({l, r});
  }
  if (v.empty())
  {
    cout << S << '\n';
    return 0;
  }
  n = v.size();
  sort(v.begin(), v.end(), [&](const array<int, 2> &a, const array<int, 2> &b)
  {
    return a[0] + a[1] < b[0] + b[1];
  });
  vector<int> bs(n, 0), bp(n, 0);
  priority_queue<int> L;
  priority_queue<int, vector<int>, greater<int>> R;
  int sL = 0, sR = 0;
  for (int i = 0; i < n; i++)
  {
    L.push(v[i][0]), L.push(v[i][1]);
    sL += v[i][0] + v[i][1];
    while (!L.empty() && !R.empty() && L.top() > R.top()) R.push(L.top()), sR += L.top(), sL -= L.top(), L.pop();
    while (L.size() > R.size()) R.push(L.top()), sR += L.top(), sL -= L.top(), L.pop();
    while (L.size() < R.size()) L.push(R.top()), sL += R.top(), sR -= R.top(), R.pop();
    bp[i] = sR - sL;
  }
  while (!L.empty()) L.pop();
  while (!R.empty()) R.pop();
  sL = sR = 0;
  for (int i = n - 1; i >= 0; i--)
  {
    L.push(v[i][0]), L.push(v[i][1]);
    sL += v[i][0] + v[i][1];
    while (!L.empty() && !R.empty() && L.top() > R.top()) R.push(L.top()), sR += L.top(), sL -= L.top(), L.pop();
    while (L.size() > R.size()) R.push(L.top()), sR += L.top(), sL -= L.top(), L.pop();
    while (L.size() < R.size()) L.push(R.top()), sL += R.top(), sR -= R.top(), R.pop();
    bs[i] = sR - sL;
  }
  if (k == 1 || v.size() == 1) cout << bp[n - 1] + S + n << '\n';
  else
  {
    int res = bp[n - 1];
    for (int i = 0; i + 1 < n; i++) res = min(res, bp[i] + bs[i + 1]);
    cout << res + S + n << '\n';
  }
}

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct

Subtask #2
14.0 / 14.0

#	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	456 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	464 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	27 ms	7196 KB	Output is correct
13	Correct	72 ms	8652 KB	Output is correct
14	Correct	61 ms	7080 KB	Output is correct
15	Correct	39 ms	4816 KB	Output is correct
16	Correct	28 ms	8148 KB	Output is correct
17	Correct	58 ms	8640 KB	Output is correct
18	Correct	47 ms	8240 KB	Output is correct
19	Correct	76 ms	8820 KB	Output is correct
20	Correct	41 ms	8136 KB	Output is correct
21	Correct	60 ms	8396 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	456 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	456 KB	Output is correct
12	Correct	348 KB	Output is correct

Subtask #4
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	452 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	468 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct

Subtask #5
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	1 ms	348 KB	Output is correct
8	Correct	0 ms	344 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	352 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	352 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	1 ms	344 KB	Output is correct
21	Correct	1 ms	352 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	352 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	27 ms	7276 KB	Output is correct
26	Correct	57 ms	7368 KB	Output is correct
27	Correct	73 ms	8392 KB	Output is correct
28	Correct	69 ms	8652 KB	Output is correct
29	Correct	70 ms	8616 KB	Output is correct
30	Correct	35 ms	4312 KB	Output is correct
31	Correct	29 ms	7868 KB	Output is correct
32	Correct	57 ms	8640 KB	Output is correct
33	Correct	45 ms	8480 KB	Output is correct
34	Correct	62 ms	8644 KB	Output is correct
35	Correct	39 ms	8196 KB	Output is correct
36	Correct	60 ms	8392 KB	Output is correct
37	Correct	22 ms	7112 KB	Output is correct

답안 #989607

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 14.0 / 14.0

Subtask #3 9.0 / 9.0

Subtask #4 32.0 / 32.0

Subtask #5 37.0 / 37.0

Subtask #1
8.0 / 8.0

Subtask #2
14.0 / 14.0

Subtask #3
9.0 / 9.0

Subtask #4
32.0 / 32.0

Subtask #5
37.0 / 37.0