oj.uz

답안 #654789

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
654789 2022-11-01T15:48:42 Z t6twotwo 메기 농장 (IOI22_fish) C++17
53 / 100
 320 ms 45452 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
const long long inf = -(1LL << 61);
long long max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w) {
  vector<vector<int>> b(n);
  for (int i = 0; i < m; i++) {
    b[x[i]].push_back(i);
  }
  vector d(n, vector<int>{-1});
  vector<vector<int>> r(n), p(n);
  for (int i = 0; i < n; i++) {
    sort(b[i].begin(), b[i].end(), [&](int j, int k) {
      return y[j] < y[k];
    });
    for (int j : b[i]) {
      r[i].push_back(y[j]);
      p[i].push_back(w[j]);
      if (i > 0) {
        d[i - 1].push_back(y[j]);
      }
      if (i < n - 1) {
        d[i + 1].push_back(y[j]);
      }
    }
  }
  vector<vector<long long>> ssum(n), psum(n);
  for (int i = 0; i < n; i++) {
    int k = p[i].size();
    psum[i] = vector<long long>(k + 1);
    ssum[i] = vector<long long>(k + 1);
    for (int j = 0; j < k; j++) {
      psum[i][j + 1] = psum[i][j] + p[i][j];
    }
    for (int j = k - 1; j >= 0; j--) {
      ssum[i][j] = ssum[i][j + 1] + p[i][j];
    }
  }
  auto suf_sum = [&](int i, int x) -> long long {
    if (i == -1) {
      return 0;
    }
    return ssum[i][upper_bound(r[i].begin(), r[i].end(), x) - r[i].begin()];
  };
  auto pre_sum = [&](int i, int x) -> long long {
    if (i == -1) {
      return 0;
    }
    return psum[i][upper_bound(r[i].begin(), r[i].end(), x) - r[i].begin()];
  };
  vector<int> e{-1};
  vector<array<long long, 2>> dp{{0, 0}};
  for (int i = 0; i < n; i++) {
    auto pd = dp;
    int l = d[i].size();
    dp = vector(l, array<long long, 2>{inf, inf});
    int k = pd.size();
    vector<long long> pmax(k + 1, inf);
    for (int j = 0; j < k; j++) {
      pmax[j + 1] = max(pmax[j], pd[j][0] + suf_sum(i - 1, e[j]));
    }
    vector<long long> smax(k + 1, inf);
    for (int j = k - 1; j >= 0; j--) {
      smax[j] = max(smax[j + 1], max(pd[j][0], pd[j][1]) - suf_sum(i, e[j]));
    }
    for (int j = 0; j < k; j++) {
      dp[0][0] = max(dp[0][0], max(pd[j][0], pd[j][1]));
      dp[0][1] = max(dp[0][1], max(pd[j][0], pd[j][1]) + pre_sum(i, e[j]));
    }
    for (int j = 1; j < l; j++) {
      dp[j][0] = max({dp[j][0], max(pd[0][1], pd[0][0] + pre_sum(i - 1, d[i][j])), pmax[upper_bound(e.begin(), e.end(), d[i][j]) - e.begin()] - suf_sum(i - 1, d[i][j])});
      dp[j][1] = max({dp[j][1], max(pd[0][1], pd[0][0] + pre_sum(i - 1, d[i][j])), smax[lower_bound(e.begin(), e.end(), d[i][j]) - e.begin()] + suf_sum(i, d[i][j])});
    }
    swap(e, d[i]);
  }
  long long ans = 0;
  for (auto v : dp) {
    ans = max(ans, max(v[0], v[1]));
  }
  return ans;
}

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 28324 KB Output is correct
2 Correct 86 ms 32388 KB Output is correct
3 Correct 33 ms 23776 KB Output is correct
4 Correct 36 ms 23820 KB Output is correct
5 Correct 232 ms 45452 KB Output is correct
6 Correct 244 ms 44132 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 161 ms 34620 KB Output is correct
3 Correct 185 ms 39980 KB Output is correct
4 Correct 71 ms 28312 KB Output is correct
5 Correct 87 ms 32396 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 288 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 33 ms 23764 KB Output is correct
11 Correct 33 ms 23764 KB Output is correct
12 Correct 84 ms 29544 KB Output is correct
13 Correct 98 ms 33648 KB Output is correct
14 Correct 82 ms 28052 KB Output is correct
15 Correct 106 ms 31192 KB Output is correct
16 Correct 82 ms 28088 KB Output is correct
17 Correct 91 ms 31068 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 23760 KB Output is correct
2 Correct 33 ms 23724 KB Output is correct
3 Correct 74 ms 27692 KB Output is correct
4 Correct 56 ms 27908 KB Output is correct
5 Correct 99 ms 35524 KB Output is correct
6 Correct 95 ms 35400 KB Output is correct
7 Correct 99 ms 35396 KB Output is correct
8 Correct 98 ms 35428 KB Output is correct

Subtask #4
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 43 ms 3224 KB Output is correct
18 Correct 41 ms 3796 KB Output is correct
19 Correct 31 ms 3692 KB Output is correct
20 Correct 37 ms 3700 KB Output is correct
21 Correct 31 ms 3652 KB Output is correct
22 Correct 69 ms 7024 KB Output is correct
23 Correct 7 ms 1040 KB Output is correct
24 Correct 26 ms 2260 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 7 ms 988 KB Output is correct

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 43 ms 3224 KB Output is correct
18 Correct 41 ms 3796 KB Output is correct
19 Correct 31 ms 3692 KB Output is correct
20 Correct 37 ms 3700 KB Output is correct
21 Correct 31 ms 3652 KB Output is correct
22 Correct 69 ms 7024 KB Output is correct
23 Correct 7 ms 1040 KB Output is correct
24 Correct 26 ms 2260 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 7 ms 988 KB Output is correct
27 Correct 3 ms 1236 KB Output is correct
28 Correct 218 ms 16384 KB Output is correct
29 Correct 320 ms 21468 KB Output is correct
30 Incorrect 250 ms 20448 KB 1st lines differ - on the 1st token, expected: '102439236138254', found: '102437773898393'
31 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 23760 KB Output is correct
2 Correct 33 ms 23724 KB Output is correct
3 Correct 74 ms 27692 KB Output is correct
4 Correct 56 ms 27908 KB Output is correct
5 Correct 99 ms 35524 KB Output is correct
6 Correct 95 ms 35400 KB Output is correct
7 Correct 99 ms 35396 KB Output is correct
8 Correct 98 ms 35428 KB Output is correct
9 Correct 101 ms 35404 KB Output is correct
10 Correct 77 ms 19792 KB Output is correct
11 Correct 153 ms 39368 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 32 ms 23752 KB Output is correct
19 Correct 32 ms 23764 KB Output is correct
20 Correct 32 ms 23764 KB Output is correct
21 Correct 37 ms 23716 KB Output is correct
22 Incorrect 110 ms 32452 KB 1st lines differ - on the 1st token, expected: '45561826463480', found: '45557677700171'
23 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 28324 KB Output is correct
2 Correct 86 ms 32388 KB Output is correct
3 Correct 33 ms 23776 KB Output is correct
4 Correct 36 ms 23820 KB Output is correct
5 Correct 232 ms 45452 KB Output is correct
6 Correct 244 ms 44132 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 161 ms 34620 KB Output is correct
9 Correct 185 ms 39980 KB Output is correct
10 Correct 71 ms 28312 KB Output is correct
11 Correct 87 ms 32396 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 288 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 33 ms 23764 KB Output is correct
17 Correct 33 ms 23764 KB Output is correct
18 Correct 84 ms 29544 KB Output is correct
19 Correct 98 ms 33648 KB Output is correct
20 Correct 82 ms 28052 KB Output is correct
21 Correct 106 ms 31192 KB Output is correct
22 Correct 82 ms 28088 KB Output is correct
23 Correct 91 ms 31068 KB Output is correct
24 Correct 33 ms 23760 KB Output is correct
25 Correct 33 ms 23724 KB Output is correct
26 Correct 74 ms 27692 KB Output is correct
27 Correct 56 ms 27908 KB Output is correct
28 Correct 99 ms 35524 KB Output is correct
29 Correct 95 ms 35400 KB Output is correct
30 Correct 99 ms 35396 KB Output is correct
31 Correct 98 ms 35428 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 2 ms 468 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 2 ms 468 KB Output is correct
48 Correct 43 ms 3224 KB Output is correct
49 Correct 41 ms 3796 KB Output is correct
50 Correct 31 ms 3692 KB Output is correct
51 Correct 37 ms 3700 KB Output is correct
52 Correct 31 ms 3652 KB Output is correct
53 Correct 69 ms 7024 KB Output is correct
54 Correct 7 ms 1040 KB Output is correct
55 Correct 26 ms 2260 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 7 ms 988 KB Output is correct
58 Correct 3 ms 1236 KB Output is correct
59 Correct 218 ms 16384 KB Output is correct
60 Correct 320 ms 21468 KB Output is correct
61 Incorrect 250 ms 20448 KB 1st lines differ - on the 1st token, expected: '102439236138254', found: '102437773898393'
62 Halted 0 ms 0 KB -