oj.uz

Submission #1055923

# Submission time Handle Problem Language Result Execution time Memory
1055923 2024-08-13T06:37:25 Z mychecksedad Catfish Farm (IOI22_fish) C++17
35 / 100
 1000 ms 2097152 KB 
#include "fish.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define all(x) x.begin(),x.end()
#define ll long long int
#define en cout << '\n'
#define pi pair<int,int>
#define vi vector<int> 
#define ff first
#define ss second
const int N = 3005;

ll dp[N][N], pref[N][N], mx[N], dp2[N][N], suf[N][N];
long long max_weights(int n, int m, std::vector<int> X, std::vector<int> Y, std::vector<int> W) {
  vector<vector<ll>> a(n + 1, vector<ll>(n + 1));
  for(int i = 0; i < m; ++i){
    a[X[i]][Y[i] + 1] = W[i];
  }
  for(int i = 0; i < n; ++i){
    pref[i][0] = a[i][0];
    for(int j = 1; j <= n; ++j) pref[i][j] = pref[i][j - 1] + a[i][j];
  }
  for(int i = 0; i <= n; ++i) dp[0][i] = pref[1][i], dp2[0][i] = pref[1][i];
  mx[0] = pref[1][n];
  for(int i = 1; i < n; ++i){
    mx[i] = 0;
    ll mx_pref = 0;
    for(int j = 0; j <= n; ++j){
      ll add = pref[i + 1][j] +  pref[i - 1][j];
      dp[i][j] = add;
      if(i > 2) dp[i][j] = max(dp[i][j], mx[i - 3] + add);
    }
    for(int j = 0; j <= n; ++j){
      ll add = pref[i + 1][j] +  pref[i - 1][j];
      // cout << i << ' ' << j << ' ' << add1 << ' ' <<add2 << ' ';
      for(int j2 = 0; j2 <= n; ++j2){
        // if(i > 1){
        //   dp[i][j] = max(dp[i][j], dp[i - 2][j2] - pref[i - 1][min(j, j2)] + add);
        //   dp2[i][j] = max(dp2[i][j], dp[i - 2][j2] - pref[i - 1][min(j, j2)] + add);
        // }
        if(j2 >= j) dp[i][j] = max(dp[i][j], dp[i - 1][j2] + add - pref[i - 1][min(j, j2)] - pref[i][min(j, j2)]);
        else{
          dp[i][j] = max(dp[i][j], dp2[i - 1][j2] + add - pref[i - 1][min(j, j2)] - pref[i][min(j, j2)]);
          dp2[i][j] = max(dp2[i][j], dp2[i - 1][j2] + add - pref[i - 1][min(j, j2)] - pref[i][min(j, j2)]);
        }
      }
      if(i > 1){
        mx_pref = max(mx_pref, dp[i - 2][j] - pref[i - 1][j]);
        dp[i][j] = max(dp[i][j], mx_pref + add);
        dp[i][j] = max(dp[i][j], suf[i - 2][j] - pref[i - 1][j]);
        dp2[i][j] = max(dp2[i][j], mx_pref + add);
        dp2[i][j] = max(dp2[i][j], suf[i - 2][j] - pref[i - 1][j]);
      }

      // cout << dp[i][j] << '\n'; 
    }
    for(int j = 0; j <= n; ++j) mx[i] = max(mx[i], dp[i][j]);
    suf[i][n] = dp[i][n];
    for(int j = n-1; j >= 0 ;--j) suf[i][j] = max(suf[i][j + 1], dp[i][j]);
    // en;
  }
  ll ans = mx[n - 1];

  return ans;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 647 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Runtime error 685 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 671 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 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 7 ms 3636 KB Output is correct
10 Correct 58 ms 8784 KB Output is correct
11 Correct 9 ms 3676 KB Output is correct
12 Correct 45 ms 8796 KB Output is correct
13 Correct 2 ms 1884 KB Output is correct
14 Correct 46 ms 8708 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 7 ms 3636 KB Output is correct
10 Correct 58 ms 8784 KB Output is correct
11 Correct 9 ms 3676 KB Output is correct
12 Correct 45 ms 8796 KB Output is correct
13 Correct 2 ms 1884 KB Output is correct
14 Correct 46 ms 8708 KB Output is correct
15 Correct 46 ms 8788 KB Output is correct
16 Correct 2 ms 1884 KB Output is correct
17 Correct 55 ms 10516 KB Output is correct
18 Correct 51 ms 10588 KB Output is correct
19 Correct 52 ms 10528 KB Output is correct
20 Correct 68 ms 10388 KB Output is correct
21 Correct 52 ms 10536 KB Output is correct
22 Correct 62 ms 12536 KB Output is correct
23 Correct 54 ms 9044 KB Output is correct
24 Correct 64 ms 9916 KB Output is correct
25 Correct 47 ms 8788 KB Output is correct
26 Correct 46 ms 8968 KB Output is correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 7 ms 3636 KB Output is correct
10 Correct 58 ms 8784 KB Output is correct
11 Correct 9 ms 3676 KB Output is correct
12 Correct 45 ms 8796 KB Output is correct
13 Correct 2 ms 1884 KB Output is correct
14 Correct 46 ms 8708 KB Output is correct
15 Correct 46 ms 8788 KB Output is correct
16 Correct 2 ms 1884 KB Output is correct
17 Correct 55 ms 10516 KB Output is correct
18 Correct 51 ms 10588 KB Output is correct
19 Correct 52 ms 10528 KB Output is correct
20 Correct 68 ms 10388 KB Output is correct
21 Correct 52 ms 10536 KB Output is correct
22 Correct 62 ms 12536 KB Output is correct
23 Correct 54 ms 9044 KB Output is correct
24 Correct 64 ms 9916 KB Output is correct
25 Correct 47 ms 8788 KB Output is correct
26 Correct 46 ms 8968 KB Output is correct
27 Execution timed out 1046 ms 146516 KB Time limit exceeded
28 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 671 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 Runtime error 647 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -