oj.uz

Submission #654773

# Submission time Handle Problem Language Result Execution time Memory
654773 2022-11-01T15:04:12 Z t6twotwo Catfish Farm (IOI22_fish) C++17
52 / 100
 1000 ms 2097152 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 p(n, vector<int>(n + 1));
  for (int i = 0; i < m; i++) {
    p[x[i]][y[i] + 1] = w[i];
  }
  vector s(n, vector<long long>(n + 2));
  for (int i = 0; i < n; i++) {
    for (int j = 0; j <= n; j++) {
      s[i][j + 1] = s[i][j] + p[i][j];
    }
  }
  auto range_sum = [&](int i, int l, int r) -> long long {
    if (i == -1) {
      return 0;
    }
    return s[i][r + 1] - s[i][l + 1];
  };
  vector dp(n + 1, array<long long, 2>{inf, inf});
  dp[0] = {0, 0};
  for (int i = 0; i < n; i++) {
    auto pd = dp;
    vector<long long> pmax(n + 2, inf);
    for (int j = 0; j <= n; j++) {
      pmax[j + 1] = max(pmax[j], pd[j][0] + range_sum(i - 1, j, n));
    }
    vector<long long> smax(n + 2, inf);
    for (int j = n; j >= 0; j--) {
      smax[j] = max(smax[j + 1], max(pd[j][0], pd[j][1]) - range_sum(i, j, n));
    }
    dp = vector(n + 1, array<long long, 2>{inf, inf});
    for (int j = 0; j <= n; 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]) + range_sum(i, 0, j));
    }
    for (int j = 1; j <= n; j++) {
      dp[j][0] = max(dp[j][0], max(pd[0][1], pd[0][0] + range_sum(i - 1, 0, j)));
      dp[j][1] = max(dp[j][1], max(pd[0][1], pd[0][0] + range_sum(i - 1, 0, j)));
      dp[j][0] = max(dp[j][0], pmax[j + 1] - range_sum(i - 1, j, n));
      dp[j][1] = max(dp[j][1], smax[j] + range_sum(i, j, n));
      // for (int k = 1; k <= j; k++) {
      //   dp[j][0] = max(dp[j][0], pd[k][0] + range_sum(i - 1, k, j));
      // }
      // for (int k = j; k <= n; k++) {
      //   dp[j][1] = max(dp[j][1], max(pd[k][0], pd[k][1]) + range_sum(i, j, k));
      // }
    }
  }
  long long ans = inf;
  for (int i = 0; i <= n; i++) {
    ans = max(ans, max(dp[i][0], dp[i][1]));
  }
  return ans;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1179 ms 2085424 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 846 ms 2097152 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 794 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 308 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 596 KB Output is correct
10 Correct 3 ms 1364 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 3 ms 1364 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 1364 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 308 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 596 KB Output is correct
10 Correct 3 ms 1364 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 3 ms 1364 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 1364 KB Output is correct
15 Correct 3 ms 1364 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 14 ms 2392 KB Output is correct
18 Correct 13 ms 2372 KB Output is correct
19 Correct 13 ms 2368 KB Output is correct
20 Correct 17 ms 2376 KB Output is correct
21 Correct 17 ms 2376 KB Output is correct
22 Correct 25 ms 3416 KB Output is correct
23 Correct 4 ms 1496 KB Output is correct
24 Correct 10 ms 2068 KB Output is correct
25 Correct 2 ms 1364 KB Output is correct
26 Correct 4 ms 1500 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 308 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 596 KB Output is correct
10 Correct 3 ms 1364 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 3 ms 1364 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 1364 KB Output is correct
15 Correct 3 ms 1364 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 14 ms 2392 KB Output is correct
18 Correct 13 ms 2372 KB Output is correct
19 Correct 13 ms 2368 KB Output is correct
20 Correct 17 ms 2376 KB Output is correct
21 Correct 17 ms 2376 KB Output is correct
22 Correct 25 ms 3416 KB Output is correct
23 Correct 4 ms 1496 KB Output is correct
24 Correct 10 ms 2068 KB Output is correct
25 Correct 2 ms 1364 KB Output is correct
26 Correct 4 ms 1500 KB Output is correct
27 Correct 188 ms 106508 KB Output is correct
28 Correct 66 ms 12056 KB Output is correct
29 Correct 291 ms 113492 KB Output is correct
30 Correct 252 ms 113532 KB Output is correct
31 Correct 266 ms 113484 KB Output is correct
32 Correct 81 ms 10848 KB Output is correct
33 Correct 290 ms 113520 KB Output is correct
34 Correct 289 ms 113392 KB Output is correct
35 Correct 233 ms 109132 KB Output is correct
36 Correct 266 ms 113484 KB Output is correct

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 794 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1179 ms 2085424 KB Time limit exceeded
2 Halted 0 ms 0 KB -