oj.uz

Submission #1032960

# Submission time Handle Problem Language Result Execution time Memory
1032960 2024-07-24T11:19:08 Z Mr_Husanboy Catfish Farm (IOI22_fish) C++17
35 / 100
 1000 ms 2097152 KB 
#include "fish.h"
#include <bits/stdc++.h>
 
using namespace std;
 
#define ff first
#define ss second
#define all(a) (a).begin(), (a).end()
#define ll long long
 
template<typename T>
int len(T &a){
    return a.size();
}
 
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
 
 
long long max_weights(int n, int m, std::vector<int> x, std::vector<int> y,
                      std::vector<int> w) {
    vector<vector<ll>> s(n + 1, vector<ll> (n + 1));
 
    for(int i = 0; i < m; i ++) s[x[i] + 1][y[i] + 1] = w[i];
    for(int i = 1; i <= n; i ++) for(int j = 1; j <= n; j ++) s[i][j] += s[i][j - 1];
 
    vector<vector<array<ll, 2>>> dp(n + 1, vector<array<ll, 2>>(n + 1));
    for(int j = 0; j <= n; j ++){
        dp[2][j][0] = s[1][j];
    }
    for(int i = 2; i <= n; i ++){
        for(int j = 0; j <= n; j ++){
            if(i > 2)
            for(int k = 0; k <= n; k ++){
                dp[i][j][0] = max(dp[i][j][0], max(dp[i - 2][k][0], dp[i - 2][k][1]) + (j >= k ? s[i - 1][j] : i - 2 ? s[i - 1][k] : s[i - 1][j]));
            }
            dp[i][j][1] = dp[i][j][0];
            //cout << dp[i][j][0] << endl;
            for(int k = 0; k <= j; k ++){
                dp[i][j][0] = max(dp[i][j][0], dp[i - 1][k][0] + s[i - 1][j] - s[i - 1][k]);
            }
            for(int k = j; k <= n; k ++){
                dp[i][j][1] = max(dp[i][j][1], max(dp[i - 1][k][1], dp[i - 1][k][0]) + s[i][k] - s[i][j]);
            }
            //cout << i << ' ' << j << ' ' << dp[i][j][1] << endl;
        }
    }
    ll ans = 0;
    for(int i = 0; i <= n; i ++){
        ans = max({ans, dp[n][i][0], dp[n][i][1]});
        //cout << dp[n][i][0] << ' ' << dp[n][i][1] << endl;
    }
 
    return ans;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 722 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 0 ms 604 KB Output is correct
2 Runtime error 752 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 726 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 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 436 KB Output is correct
9 Correct 7 ms 1008 KB Output is correct
10 Correct 57 ms 2652 KB Output is correct
11 Correct 7 ms 860 KB Output is correct
12 Correct 53 ms 2616 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 51 ms 2396 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 436 KB Output is correct
9 Correct 7 ms 1008 KB Output is correct
10 Correct 57 ms 2652 KB Output is correct
11 Correct 7 ms 860 KB Output is correct
12 Correct 53 ms 2616 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 51 ms 2396 KB Output is correct
15 Correct 51 ms 2396 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 65 ms 4432 KB Output is correct
18 Correct 69 ms 4420 KB Output is correct
19 Correct 61 ms 4188 KB Output is correct
20 Correct 55 ms 4184 KB Output is correct
21 Correct 56 ms 4376 KB Output is correct
22 Correct 68 ms 6200 KB Output is correct
23 Correct 53 ms 2908 KB Output is correct
24 Correct 56 ms 3676 KB Output is correct
25 Correct 60 ms 2396 KB Output is correct
26 Correct 54 ms 2908 KB Output is correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 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 436 KB Output is correct
9 Correct 7 ms 1008 KB Output is correct
10 Correct 57 ms 2652 KB Output is correct
11 Correct 7 ms 860 KB Output is correct
12 Correct 53 ms 2616 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 51 ms 2396 KB Output is correct
15 Correct 51 ms 2396 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 65 ms 4432 KB Output is correct
18 Correct 69 ms 4420 KB Output is correct
19 Correct 61 ms 4188 KB Output is correct
20 Correct 55 ms 4184 KB Output is correct
21 Correct 56 ms 4376 KB Output is correct
22 Correct 68 ms 6200 KB Output is correct
23 Correct 53 ms 2908 KB Output is correct
24 Correct 56 ms 3676 KB Output is correct
25 Correct 60 ms 2396 KB Output is correct
26 Correct 54 ms 2908 KB Output is correct
27 Execution timed out 1065 ms 212052 KB Time limit exceeded
28 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 726 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 722 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -