oj.uz

답안 #1078544

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1078544 2024-08-27T19:49:24 Z aykhn 봉쇄 시간 (IOI23_closing) C++17
59 / 100
 125 ms 44176 KB 
#include <bits/stdc++.h>
#include "closing.h"
 
using namespace std;
 
#define int long long
#define inf 0x3F3F3F3F3F3F3F3F
 
struct BIT
{
  int n;
  vector<long long> ft;
  void init(int N)
  {
    n = N + 5;
    ft.assign(n + 5, 0);
  }
  void add(int pos, long long val)
  {
    for (pos = pos + 1; pos <= n; pos += pos & -pos) ft[pos] += val;
  }
  long long get(int pos, long long res = 0)
  {
    for (pos = pos + 1; pos > 0; pos -= pos & -pos) res += ft[pos];
    return res;
  }
};
 
const int MXN = 2e5 + 5;
 
int n, x, y;
long long k;
vector<array<long long, 2>> adj[MXN];
long long d[2][MXN], p[3][MXN];
vector<int> pt, PT;
int dp[3001][6001];
int in[MXN], IN[MXN];
 
void dfs(int a, int p, int t)
{
  PT.push_back(a);
  if (a != p && a == y) pt = PT;
  for (const array<long long, 2> &v : adj[a])
  {
    if (v[0] == p) continue;
    d[t][v[0]] = d[t][a] + v[1];
    dfs(v[0], a, t);
  }
  PT.pop_back();
}
void getcomp(int a, int p, vector<int> &comp)
{
  for (array<long long, 2> &v : adj[a])
  {
    if (v[0] == p || IN[v[0]]) continue;
    getcomp(v[0], a, comp);
  }
  comp.push_back(a);
}
#undef int long long
int max_score(int N, int X, int Y, long long K, vector<int> U, vector<int> V, vector<int> W)
{
  #define int long long
  n = N, x = X, y = Y, k = K;
  for (int i = 0; i < n; i++)
  {
    d[0][i] = d[1][i] = 0;
    adj[i].clear();
    IN[i] = 0;
  }
  for (int i = 0; i < n - 1; i++)
  {
    adj[U[i]].push_back({V[i], W[i]});
    adj[V[i]].push_back({U[i], W[i]});
  }
  dfs(x, x, 0);
  dfs(y, y, 1);
  int ans = 0;
  {
    vector<long long> v;
    for (int i = 0; i < n; i++) v.push_back(min(d[0][i], d[1][i]));
    sort(v.begin(), v.end());
    long long k1 = k;
    for (int i = 0; i < n; i++)
    {
      k1 -= v[i];
      if (k1 < 0) break;
      ans++;
    }
  }
  if (n > 500) return ans;
  for (int i = 0; i <= n; i++) for (int j = 0; j <= 2 * n; j++) dp[i][j] = inf;
  dp[0][0] = 0;
  for (int &i : pt) IN[i] = 1, dp[0][0] += min(d[0][i], d[1][i]);
  for (int i = 1; i <= n; i++)
  {
    int val[3] = {0, min(d[0][i - 1], d[1][i - 1]), max(d[0][i - 1], d[1][i - 1])};
    if (IN[i - 1]) val[1] = max(d[0][i - 1], d[1][i - 1]) - min(d[0][i - 1], d[1][i - 1]), val[2] = inf;
    for (int j = 0; j <= 2 * n; j++)
    {
      for (int k = 0; j + k <= 2 * n && k < 3; k++)
      {
        dp[i][j + k] = min(dp[i][j + k], dp[i - 1][j] + val[k]);
      }
    }
  }
  for (int i = 2 * n; i >= 0; i--)
  {
    if (dp[n][i] <= k) return max(ans, i + (int)pt.size());
  }
  return ans;
  #undef int
}

Compilation message

closing.cpp:60:12: warning: extra tokens at end of #undef directive
   60 | #undef int long long
      |            ^~~~

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4956 KB Output is correct

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 96 ms 35532 KB Output is correct
2 Correct 125 ms 44176 KB Output is correct
3 Correct 52 ms 9576 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5208 KB Output is correct
2 Correct 2 ms 5212 KB Output is correct
3 Correct 2 ms 5020 KB Output is correct
4 Correct 2 ms 5212 KB Output is correct
5 Correct 3 ms 5212 KB Output is correct
6 Correct 3 ms 5212 KB Output is correct
7 Correct 2 ms 5212 KB Output is correct
8 Correct 2 ms 5296 KB Output is correct
9 Correct 4 ms 5212 KB Output is correct
10 Correct 2 ms 5208 KB Output is correct
11 Correct 2 ms 5212 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5208 KB Output is correct
2 Correct 2 ms 5212 KB Output is correct
3 Correct 2 ms 5020 KB Output is correct
4 Correct 2 ms 5212 KB Output is correct
5 Correct 3 ms 5212 KB Output is correct
6 Correct 3 ms 5212 KB Output is correct
7 Correct 2 ms 5212 KB Output is correct
8 Correct 2 ms 5296 KB Output is correct
9 Correct 4 ms 5212 KB Output is correct
10 Correct 2 ms 5208 KB Output is correct
11 Correct 2 ms 5212 KB Output is correct
12 Correct 3 ms 5724 KB Output is correct
13 Correct 2 ms 5720 KB Output is correct
14 Correct 2 ms 5468 KB Output is correct
15 Correct 2 ms 5468 KB Output is correct
16 Correct 2 ms 5664 KB Output is correct
17 Correct 3 ms 5724 KB Output is correct
18 Correct 3 ms 5208 KB Output is correct
19 Correct 6 ms 10992 KB Output is correct
20 Correct 6 ms 10332 KB Output is correct
21 Correct 5 ms 10588 KB Output is correct
22 Correct 6 ms 11100 KB Output is correct
23 Correct 6 ms 11100 KB Output is correct
24 Correct 7 ms 11100 KB Output is correct

Subtask #4
0.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5208 KB Output is correct
2 Correct 2 ms 5212 KB Output is correct
3 Correct 2 ms 5020 KB Output is correct
4 Correct 2 ms 5212 KB Output is correct
5 Correct 3 ms 5212 KB Output is correct
6 Correct 3 ms 5212 KB Output is correct
7 Correct 2 ms 5212 KB Output is correct
8 Correct 2 ms 5296 KB Output is correct
9 Correct 4 ms 5212 KB Output is correct
10 Correct 2 ms 5208 KB Output is correct
11 Correct 2 ms 5212 KB Output is correct
12 Correct 3 ms 5724 KB Output is correct
13 Correct 2 ms 5720 KB Output is correct
14 Correct 2 ms 5468 KB Output is correct
15 Correct 2 ms 5468 KB Output is correct
16 Correct 2 ms 5664 KB Output is correct
17 Correct 3 ms 5724 KB Output is correct
18 Correct 3 ms 5208 KB Output is correct
19 Correct 6 ms 10992 KB Output is correct
20 Correct 6 ms 10332 KB Output is correct
21 Correct 5 ms 10588 KB Output is correct
22 Correct 6 ms 11100 KB Output is correct
23 Correct 6 ms 11100 KB Output is correct
24 Correct 7 ms 11100 KB Output is correct
25 Correct 4 ms 5468 KB Output is correct
26 Incorrect 3 ms 5724 KB 1st lines differ - on the 1st token, expected: '5595', found: '2802'
27 Halted 0 ms 0 KB -

Subtask #5
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 5208 KB Output is correct
3 Correct 2 ms 5212 KB Output is correct
4 Correct 2 ms 5020 KB Output is correct
5 Correct 2 ms 5212 KB Output is correct
6 Correct 3 ms 5212 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 3 ms 4952 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 2 ms 5212 KB Output is correct
11 Correct 2 ms 5212 KB Output is correct
12 Correct 2 ms 5212 KB Output is correct
13 Correct 2 ms 5212 KB Output is correct
14 Correct 2 ms 5212 KB Output is correct
15 Correct 2 ms 5212 KB Output is correct
16 Correct 3 ms 5208 KB Output is correct
17 Correct 2 ms 5212 KB Output is correct
18 Correct 3 ms 5212 KB Output is correct
19 Correct 3 ms 5148 KB Output is correct
20 Correct 2 ms 5144 KB Output is correct
21 Correct 2 ms 5212 KB Output is correct
22 Correct 2 ms 5212 KB Output is correct
23 Correct 2 ms 5152 KB Output is correct
24 Correct 2 ms 5120 KB Output is correct

Subtask #6
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 5208 KB Output is correct
3 Correct 2 ms 5212 KB Output is correct
4 Correct 2 ms 5020 KB Output is correct
5 Correct 2 ms 5212 KB Output is correct
6 Correct 3 ms 5212 KB Output is correct
7 Correct 3 ms 5212 KB Output is correct
8 Correct 2 ms 5212 KB Output is correct
9 Correct 2 ms 5296 KB Output is correct
10 Correct 4 ms 5212 KB Output is correct
11 Correct 2 ms 5208 KB Output is correct
12 Correct 2 ms 5212 KB Output is correct
13 Correct 3 ms 5724 KB Output is correct
14 Correct 2 ms 5720 KB Output is correct
15 Correct 2 ms 5468 KB Output is correct
16 Correct 2 ms 5468 KB Output is correct
17 Correct 2 ms 5664 KB Output is correct
18 Correct 3 ms 5724 KB Output is correct
19 Correct 2 ms 4956 KB Output is correct
20 Correct 3 ms 4952 KB Output is correct
21 Correct 2 ms 4956 KB Output is correct
22 Correct 2 ms 5212 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 2 ms 5212 KB Output is correct
25 Correct 2 ms 5212 KB Output is correct
26 Correct 2 ms 5212 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 3 ms 5208 KB Output is correct
29 Correct 2 ms 5212 KB Output is correct
30 Correct 3 ms 5212 KB Output is correct
31 Correct 3 ms 5148 KB Output is correct
32 Correct 2 ms 5144 KB Output is correct
33 Correct 2 ms 5212 KB Output is correct
34 Correct 2 ms 5212 KB Output is correct
35 Correct 2 ms 5152 KB Output is correct
36 Correct 2 ms 5120 KB Output is correct
37 Correct 2 ms 5208 KB Output is correct
38 Correct 4 ms 5212 KB Output is correct
39 Correct 3 ms 5724 KB Output is correct
40 Correct 2 ms 5468 KB Output is correct
41 Correct 2 ms 5724 KB Output is correct
42 Correct 3 ms 5468 KB Output is correct
43 Correct 2 ms 5664 KB Output is correct
44 Correct 2 ms 5492 KB Output is correct
45 Correct 2 ms 5724 KB Output is correct
46 Correct 2 ms 5724 KB Output is correct
47 Correct 4 ms 5724 KB Output is correct
48 Correct 2 ms 5468 KB Output is correct
49 Correct 2 ms 5212 KB Output is correct
50 Correct 2 ms 5212 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 5208 KB Output is correct
3 Correct 2 ms 5212 KB Output is correct
4 Correct 2 ms 5020 KB Output is correct
5 Correct 2 ms 5212 KB Output is correct
6 Correct 3 ms 5212 KB Output is correct
7 Correct 3 ms 5212 KB Output is correct
8 Correct 2 ms 5212 KB Output is correct
9 Correct 2 ms 5296 KB Output is correct
10 Correct 4 ms 5212 KB Output is correct
11 Correct 2 ms 5208 KB Output is correct
12 Correct 2 ms 5212 KB Output is correct
13 Correct 3 ms 5724 KB Output is correct
14 Correct 2 ms 5720 KB Output is correct
15 Correct 2 ms 5468 KB Output is correct
16 Correct 2 ms 5468 KB Output is correct
17 Correct 2 ms 5664 KB Output is correct
18 Correct 3 ms 5724 KB Output is correct
19 Correct 3 ms 5208 KB Output is correct
20 Correct 6 ms 10992 KB Output is correct
21 Correct 6 ms 10332 KB Output is correct
22 Correct 5 ms 10588 KB Output is correct
23 Correct 6 ms 11100 KB Output is correct
24 Correct 6 ms 11100 KB Output is correct
25 Correct 7 ms 11100 KB Output is correct
26 Correct 2 ms 4956 KB Output is correct
27 Correct 3 ms 4952 KB Output is correct
28 Correct 2 ms 4956 KB Output is correct
29 Correct 2 ms 5212 KB Output is correct
30 Correct 2 ms 5212 KB Output is correct
31 Correct 2 ms 5212 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 2 ms 5212 KB Output is correct
34 Correct 2 ms 5212 KB Output is correct
35 Correct 3 ms 5208 KB Output is correct
36 Correct 2 ms 5212 KB Output is correct
37 Correct 3 ms 5212 KB Output is correct
38 Correct 3 ms 5148 KB Output is correct
39 Correct 2 ms 5144 KB Output is correct
40 Correct 2 ms 5212 KB Output is correct
41 Correct 2 ms 5212 KB Output is correct
42 Correct 2 ms 5152 KB Output is correct
43 Correct 2 ms 5120 KB Output is correct
44 Correct 2 ms 5208 KB Output is correct
45 Correct 4 ms 5212 KB Output is correct
46 Correct 3 ms 5724 KB Output is correct
47 Correct 2 ms 5468 KB Output is correct
48 Correct 2 ms 5724 KB Output is correct
49 Correct 3 ms 5468 KB Output is correct
50 Correct 2 ms 5664 KB Output is correct
51 Correct 2 ms 5492 KB Output is correct
52 Correct 2 ms 5724 KB Output is correct
53 Correct 2 ms 5724 KB Output is correct
54 Correct 4 ms 5724 KB Output is correct
55 Correct 2 ms 5468 KB Output is correct
56 Correct 2 ms 5212 KB Output is correct
57 Correct 2 ms 5212 KB Output is correct
58 Correct 2 ms 5212 KB Output is correct
59 Correct 3 ms 5464 KB Output is correct
60 Correct 3 ms 5724 KB Output is correct
61 Correct 3 ms 5980 KB Output is correct
62 Correct 3 ms 5980 KB Output is correct
63 Correct 6 ms 11124 KB Output is correct
64 Correct 6 ms 10332 KB Output is correct
65 Correct 5 ms 10076 KB Output is correct
66 Correct 6 ms 10476 KB Output is correct
67 Correct 6 ms 11100 KB Output is correct
68 Correct 6 ms 10344 KB Output is correct
69 Correct 7 ms 11100 KB Output is correct
70 Correct 6 ms 10588 KB Output is correct
71 Correct 6 ms 10588 KB Output is correct
72 Correct 6 ms 10660 KB Output is correct
73 Correct 5 ms 9048 KB Output is correct
74 Correct 5 ms 9564 KB Output is correct
75 Correct 3 ms 5724 KB Output is correct

Subtask #8
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 5208 KB Output is correct
3 Correct 2 ms 5212 KB Output is correct
4 Correct 2 ms 5020 KB Output is correct
5 Correct 2 ms 5212 KB Output is correct
6 Correct 3 ms 5212 KB Output is correct
7 Correct 3 ms 5212 KB Output is correct
8 Correct 2 ms 5212 KB Output is correct
9 Correct 2 ms 5296 KB Output is correct
10 Correct 4 ms 5212 KB Output is correct
11 Correct 2 ms 5208 KB Output is correct
12 Correct 2 ms 5212 KB Output is correct
13 Correct 3 ms 5724 KB Output is correct
14 Correct 2 ms 5720 KB Output is correct
15 Correct 2 ms 5468 KB Output is correct
16 Correct 2 ms 5468 KB Output is correct
17 Correct 2 ms 5664 KB Output is correct
18 Correct 3 ms 5724 KB Output is correct
19 Correct 3 ms 5208 KB Output is correct
20 Correct 6 ms 10992 KB Output is correct
21 Correct 6 ms 10332 KB Output is correct
22 Correct 5 ms 10588 KB Output is correct
23 Correct 6 ms 11100 KB Output is correct
24 Correct 6 ms 11100 KB Output is correct
25 Correct 7 ms 11100 KB Output is correct
26 Correct 4 ms 5468 KB Output is correct
27 Incorrect 3 ms 5724 KB 1st lines differ - on the 1st token, expected: '5595', found: '2802'
28 Halted 0 ms 0 KB -

Subtask #9
0.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 5208 KB Output is correct
3 Correct 2 ms 5212 KB Output is correct
4 Correct 2 ms 5020 KB Output is correct
5 Correct 2 ms 5212 KB Output is correct
6 Correct 3 ms 5212 KB Output is correct
7 Correct 3 ms 5212 KB Output is correct
8 Correct 2 ms 5212 KB Output is correct
9 Correct 2 ms 5296 KB Output is correct
10 Correct 4 ms 5212 KB Output is correct
11 Correct 2 ms 5208 KB Output is correct
12 Correct 2 ms 5212 KB Output is correct
13 Correct 3 ms 5724 KB Output is correct
14 Correct 2 ms 5720 KB Output is correct
15 Correct 2 ms 5468 KB Output is correct
16 Correct 2 ms 5468 KB Output is correct
17 Correct 2 ms 5664 KB Output is correct
18 Correct 3 ms 5724 KB Output is correct
19 Correct 3 ms 5208 KB Output is correct
20 Correct 6 ms 10992 KB Output is correct
21 Correct 6 ms 10332 KB Output is correct
22 Correct 5 ms 10588 KB Output is correct
23 Correct 6 ms 11100 KB Output is correct
24 Correct 6 ms 11100 KB Output is correct
25 Correct 7 ms 11100 KB Output is correct
26 Correct 4 ms 5468 KB Output is correct
27 Incorrect 3 ms 5724 KB 1st lines differ - on the 1st token, expected: '5595', found: '2802'
28 Halted 0 ms 0 KB -