oj.uz

답안 #654788

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
654788 2022-11-01T15:47:48 Z t6twotwo 메기 농장 (IOI22_fish) C++17
53 / 100
 316 ms 45452 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
const long long inf = -(1LL << 60);
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 71 ms 28396 KB Output is correct
2 Correct 86 ms 32384 KB Output is correct
3 Correct 34 ms 23768 KB Output is correct
4 Correct 32 ms 23764 KB Output is correct
5 Correct 236 ms 45452 KB Output is correct
6 Correct 232 ms 44360 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 155 ms 34628 KB Output is correct
3 Correct 182 ms 40164 KB Output is correct
4 Correct 71 ms 28376 KB Output is correct
5 Correct 85 ms 32344 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 32 ms 23764 KB Output is correct
11 Correct 32 ms 23764 KB Output is correct
12 Correct 83 ms 29508 KB Output is correct
13 Correct 97 ms 33596 KB Output is correct
14 Correct 82 ms 28028 KB Output is correct
15 Correct 108 ms 31140 KB Output is correct
16 Correct 81 ms 28084 KB Output is correct
17 Correct 92 ms 31092 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 34 ms 23764 KB Output is correct
2 Correct 33 ms 23764 KB Output is correct
3 Correct 65 ms 27672 KB Output is correct
4 Correct 63 ms 27972 KB Output is correct
5 Correct 98 ms 35400 KB Output is correct
6 Correct 96 ms 35452 KB Output is correct
7 Correct 100 ms 35524 KB Output is correct
8 Correct 99 ms 35432 KB Output is correct

Subtask #4
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 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 1 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 0 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 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 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 1 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 3 ms 468 KB Output is correct
17 Correct 42 ms 3156 KB Output is correct
18 Correct 42 ms 3892 KB Output is correct
19 Correct 32 ms 3668 KB Output is correct
20 Correct 31 ms 3708 KB Output is correct
21 Correct 31 ms 3588 KB Output is correct
22 Correct 70 ms 6988 KB Output is correct
23 Correct 7 ms 980 KB Output is correct
24 Correct 27 ms 2260 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 7 ms 904 KB Output is correct

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 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 1 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 3 ms 468 KB Output is correct
17 Correct 42 ms 3156 KB Output is correct
18 Correct 42 ms 3892 KB Output is correct
19 Correct 32 ms 3668 KB Output is correct
20 Correct 31 ms 3708 KB Output is correct
21 Correct 31 ms 3588 KB Output is correct
22 Correct 70 ms 6988 KB Output is correct
23 Correct 7 ms 980 KB Output is correct
24 Correct 27 ms 2260 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 7 ms 904 KB Output is correct
27 Correct 3 ms 1236 KB Output is correct
28 Correct 218 ms 16392 KB Output is correct
29 Correct 316 ms 21456 KB Output is correct
30 Incorrect 252 ms 20452 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 34 ms 23764 KB Output is correct
2 Correct 33 ms 23764 KB Output is correct
3 Correct 65 ms 27672 KB Output is correct
4 Correct 63 ms 27972 KB Output is correct
5 Correct 98 ms 35400 KB Output is correct
6 Correct 96 ms 35452 KB Output is correct
7 Correct 100 ms 35524 KB Output is correct
8 Correct 99 ms 35432 KB Output is correct
9 Correct 96 ms 35404 KB Output is correct
10 Correct 76 ms 19788 KB Output is correct
11 Correct 177 ms 39504 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 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 33 ms 23776 KB Output is correct
19 Correct 33 ms 23764 KB Output is correct
20 Correct 33 ms 23764 KB Output is correct
21 Correct 34 ms 23692 KB Output is correct
22 Incorrect 114 ms 34424 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 71 ms 28396 KB Output is correct
2 Correct 86 ms 32384 KB Output is correct
3 Correct 34 ms 23768 KB Output is correct
4 Correct 32 ms 23764 KB Output is correct
5 Correct 236 ms 45452 KB Output is correct
6 Correct 232 ms 44360 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 155 ms 34628 KB Output is correct
9 Correct 182 ms 40164 KB Output is correct
10 Correct 71 ms 28376 KB Output is correct
11 Correct 85 ms 32344 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 32 ms 23764 KB Output is correct
17 Correct 32 ms 23764 KB Output is correct
18 Correct 83 ms 29508 KB Output is correct
19 Correct 97 ms 33596 KB Output is correct
20 Correct 82 ms 28028 KB Output is correct
21 Correct 108 ms 31140 KB Output is correct
22 Correct 81 ms 28084 KB Output is correct
23 Correct 92 ms 31092 KB Output is correct
24 Correct 34 ms 23764 KB Output is correct
25 Correct 33 ms 23764 KB Output is correct
26 Correct 65 ms 27672 KB Output is correct
27 Correct 63 ms 27972 KB Output is correct
28 Correct 98 ms 35400 KB Output is correct
29 Correct 96 ms 35452 KB Output is correct
30 Correct 100 ms 35524 KB Output is correct
31 Correct 99 ms 35432 KB Output is correct
32 Correct 0 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 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 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 1 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 3 ms 468 KB Output is correct
48 Correct 42 ms 3156 KB Output is correct
49 Correct 42 ms 3892 KB Output is correct
50 Correct 32 ms 3668 KB Output is correct
51 Correct 31 ms 3708 KB Output is correct
52 Correct 31 ms 3588 KB Output is correct
53 Correct 70 ms 6988 KB Output is correct
54 Correct 7 ms 980 KB Output is correct
55 Correct 27 ms 2260 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 7 ms 904 KB Output is correct
58 Correct 3 ms 1236 KB Output is correct
59 Correct 218 ms 16392 KB Output is correct
60 Correct 316 ms 21456 KB Output is correct
61 Incorrect 252 ms 20452 KB 1st lines differ - on the 1st token, expected: '102439236138254', found: '102437773898393'
62 Halted 0 ms 0 KB -