oj.uz

답안 #654799

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
654799 2022-11-01T16:25:44 Z t6twotwo 메기 농장 (IOI22_fish) C++17
53 / 100
 301 ms 45476 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
const long long inf = -(1LL << 50);
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 inf;
    }
    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 inf;
    }
    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 = inf;
  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 73 ms 28400 KB Output is correct
2 Correct 87 ms 32320 KB Output is correct
3 Correct 37 ms 23764 KB Output is correct
4 Correct 32 ms 23764 KB Output is correct
5 Correct 229 ms 45476 KB Output is correct
6 Correct 240 ms 44196 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 154 ms 34680 KB Output is correct
3 Correct 180 ms 39956 KB Output is correct
4 Correct 74 ms 28304 KB Output is correct
5 Correct 85 ms 32324 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 0 ms 212 KB Output is correct
10 Correct 38 ms 23824 KB Output is correct
11 Correct 38 ms 23788 KB Output is correct
12 Correct 91 ms 29508 KB Output is correct
13 Correct 97 ms 33672 KB Output is correct
14 Correct 83 ms 28096 KB Output is correct
15 Correct 107 ms 31164 KB Output is correct
16 Correct 95 ms 28008 KB Output is correct
17 Correct 96 ms 31048 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 34 ms 23712 KB Output is correct
2 Correct 34 ms 23772 KB Output is correct
3 Correct 68 ms 27684 KB Output is correct
4 Correct 61 ms 27980 KB Output is correct
5 Correct 105 ms 35520 KB Output is correct
6 Correct 95 ms 35404 KB Output is correct
7 Correct 97 ms 35404 KB Output is correct
8 Correct 98 ms 35484 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 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 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 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 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 2 ms 468 KB Output is correct
17 Correct 46 ms 3172 KB Output is correct
18 Correct 45 ms 3796 KB Output is correct
19 Correct 34 ms 3696 KB Output is correct
20 Correct 33 ms 3668 KB Output is correct
21 Correct 33 ms 3616 KB Output is correct
22 Correct 72 ms 7020 KB Output is correct
23 Correct 8 ms 944 KB Output is correct
24 Correct 28 ms 2340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 7 ms 980 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 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 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 2 ms 468 KB Output is correct
17 Correct 46 ms 3172 KB Output is correct
18 Correct 45 ms 3796 KB Output is correct
19 Correct 34 ms 3696 KB Output is correct
20 Correct 33 ms 3668 KB Output is correct
21 Correct 33 ms 3616 KB Output is correct
22 Correct 72 ms 7020 KB Output is correct
23 Correct 8 ms 944 KB Output is correct
24 Correct 28 ms 2340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 7 ms 980 KB Output is correct
27 Correct 3 ms 1236 KB Output is correct
28 Correct 223 ms 16392 KB Output is correct
29 Correct 301 ms 21456 KB Output is correct
30 Incorrect 284 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 23712 KB Output is correct
2 Correct 34 ms 23772 KB Output is correct
3 Correct 68 ms 27684 KB Output is correct
4 Correct 61 ms 27980 KB Output is correct
5 Correct 105 ms 35520 KB Output is correct
6 Correct 95 ms 35404 KB Output is correct
7 Correct 97 ms 35404 KB Output is correct
8 Correct 98 ms 35484 KB Output is correct
9 Correct 99 ms 35404 KB Output is correct
10 Correct 76 ms 19764 KB Output is correct
11 Correct 205 ms 39420 KB Output is correct
12 Correct 1 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 38 ms 23720 KB Output is correct
19 Correct 33 ms 23764 KB Output is correct
20 Correct 33 ms 23764 KB Output is correct
21 Correct 33 ms 23764 KB Output is correct
22 Incorrect 113 ms 32560 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 73 ms 28400 KB Output is correct
2 Correct 87 ms 32320 KB Output is correct
3 Correct 37 ms 23764 KB Output is correct
4 Correct 32 ms 23764 KB Output is correct
5 Correct 229 ms 45476 KB Output is correct
6 Correct 240 ms 44196 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 154 ms 34680 KB Output is correct
9 Correct 180 ms 39956 KB Output is correct
10 Correct 74 ms 28304 KB Output is correct
11 Correct 85 ms 32324 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 38 ms 23824 KB Output is correct
17 Correct 38 ms 23788 KB Output is correct
18 Correct 91 ms 29508 KB Output is correct
19 Correct 97 ms 33672 KB Output is correct
20 Correct 83 ms 28096 KB Output is correct
21 Correct 107 ms 31164 KB Output is correct
22 Correct 95 ms 28008 KB Output is correct
23 Correct 96 ms 31048 KB Output is correct
24 Correct 34 ms 23712 KB Output is correct
25 Correct 34 ms 23772 KB Output is correct
26 Correct 68 ms 27684 KB Output is correct
27 Correct 61 ms 27980 KB Output is correct
28 Correct 105 ms 35520 KB Output is correct
29 Correct 95 ms 35404 KB Output is correct
30 Correct 97 ms 35404 KB Output is correct
31 Correct 98 ms 35484 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 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 2 ms 340 KB Output is correct
41 Correct 3 ms 468 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 2 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 2 ms 468 KB Output is correct
48 Correct 46 ms 3172 KB Output is correct
49 Correct 45 ms 3796 KB Output is correct
50 Correct 34 ms 3696 KB Output is correct
51 Correct 33 ms 3668 KB Output is correct
52 Correct 33 ms 3616 KB Output is correct
53 Correct 72 ms 7020 KB Output is correct
54 Correct 8 ms 944 KB Output is correct
55 Correct 28 ms 2340 KB Output is correct
56 Correct 2 ms 340 KB Output is correct
57 Correct 7 ms 980 KB Output is correct
58 Correct 3 ms 1236 KB Output is correct
59 Correct 223 ms 16392 KB Output is correct
60 Correct 301 ms 21456 KB Output is correct
61 Incorrect 284 ms 20452 KB 1st lines differ - on the 1st token, expected: '102439236138254', found: '102437773898393'
62 Halted 0 ms 0 KB -