oj.uz

Submission #666707

# Submission time Handle Problem Language Result Execution time Memory
666707 2022-11-29T11:59:20 Z Banan Catfish Farm (IOI22_fish) C++17
35 / 100
 1000 ms 2097152 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
#define double long double
#define endl '\n'
#define sz(a) (int)a.size()
#define pb push_back
#define fs first
#define sc second
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
ll const INF = LONG_LONG_MAX;


long long max_weights(int n, int m, std::vector<int> x, std::vector<int> y, std::vector<int> w)
{
    vector<vector<ll>> val(n+5, vector<ll>(n+5, 0)), pref(n+5, vector<ll>(n+5, 0));
    for(int i=0;i<m;i++)
    {
        val[x[i]+1][y[i]+1]=w[i];
    }
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            pref[i][j]=pref[i][j-1]+val[i][j];
        }
    }
    vector<vector<vector<ll>>> dp(n+5, vector<vector<ll>>(n+5, vector<ll>(2, 0)));
    for(int j=1;j<=n;j++)
    {
        dp[1][j][0]=dp[1][j-1][0]+val[2][j];
        dp[1][j][1]=dp[1][j-1][1]+val[2][j];
    }
    for(int i=2;i<=n;i++)
    {
        for(int j=0;j<=n;j++)
        {
            for(int k=1;k<=j;k++)
            {
                dp[i][j][0]=max(dp[i][j][0], dp[i-1][k][0]+pref[i-1][j]-pref[i-1][k]-pref[i][k]+pref[i+1][j]);
            }
            for(int k=n;k>=j;k--)
            {
                dp[i][j][1]=max(dp[i][j][1], dp[i-1][k][1]-pref[i][j]+pref[i+1][j]);
                dp[i][j][1]=max(dp[i][j][1], dp[i-1][k][0]-pref[i][j]+pref[i+1][j]);
            }
            for(int k=0;k<=n;k++)
            {
                ll val=0;
                if(k<=j)
                {
                    val=max(val, dp[i-2][k][0]+pref[i-1][j]-pref[i-1][k]+pref[i+1][j]);
                    val=max(val, dp[i-2][k][1]+pref[i-1][j]-pref[i-1][k]+pref[i+1][j]);
                }
                else
                {
                    val=max(val, dp[i-2][k][0]+pref[i+1][j]);
                    val=max(val, dp[i-2][k][1]+pref[i+1][j]);
                }
                dp[i][j][0]=max(dp[i][j][0], val);
                dp[i][j][1]=max(dp[i][j][1], val);
            }
        }
    }

//    cout<<endl<<endl;
//    for(int i=0;i<=n;i++)
//    {
//        for(int j=0;j<=n;j++)
//        {
//            cout<<dp[i][j][0]<<' ';
//        }
//        cout<<endl;
//    }
//    cout<<endl<<endl;
//    for(int i=0;i<=n;i++)
//    {
//        for(int j=0;j<=n;j++)
//        {
//            cout<<dp[i][j][1]<<' ';
//        }
//        cout<<endl;
//    }
//    cout<<endl<<endl;

    ll ans=0;
    for(int i=0;i<=n;i++)
        ans=max(ans, max(dp[n][i][0], dp[n][i][1]));

    return ans;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 743 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 216 KB Output is correct
2 Runtime error 766 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 764 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 220 KB Output is correct
2 Correct 1 ms 224 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 216 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 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 21 ms 2004 KB Output is correct
10 Correct 150 ms 6868 KB Output is correct
11 Correct 20 ms 2004 KB Output is correct
12 Correct 148 ms 6868 KB Output is correct
13 Correct 4 ms 684 KB Output is correct
14 Correct 145 ms 6924 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 220 KB Output is correct
2 Correct 1 ms 224 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 216 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 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 21 ms 2004 KB Output is correct
10 Correct 150 ms 6868 KB Output is correct
11 Correct 20 ms 2004 KB Output is correct
12 Correct 148 ms 6868 KB Output is correct
13 Correct 4 ms 684 KB Output is correct
14 Correct 145 ms 6924 KB Output is correct
15 Correct 149 ms 6884 KB Output is correct
16 Correct 4 ms 852 KB Output is correct
17 Correct 154 ms 8740 KB Output is correct
18 Correct 161 ms 8724 KB Output is correct
19 Correct 164 ms 8700 KB Output is correct
20 Correct 159 ms 8636 KB Output is correct
21 Correct 153 ms 8780 KB Output is correct
22 Correct 170 ms 10664 KB Output is correct
23 Correct 145 ms 7200 KB Output is correct
24 Correct 153 ms 8084 KB Output is correct
25 Correct 146 ms 6940 KB Output is correct
26 Correct 148 ms 7124 KB Output is correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 220 KB Output is correct
2 Correct 1 ms 224 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 216 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 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 21 ms 2004 KB Output is correct
10 Correct 150 ms 6868 KB Output is correct
11 Correct 20 ms 2004 KB Output is correct
12 Correct 148 ms 6868 KB Output is correct
13 Correct 4 ms 684 KB Output is correct
14 Correct 145 ms 6924 KB Output is correct
15 Correct 149 ms 6884 KB Output is correct
16 Correct 4 ms 852 KB Output is correct
17 Correct 154 ms 8740 KB Output is correct
18 Correct 161 ms 8724 KB Output is correct
19 Correct 164 ms 8700 KB Output is correct
20 Correct 159 ms 8636 KB Output is correct
21 Correct 153 ms 8780 KB Output is correct
22 Correct 170 ms 10664 KB Output is correct
23 Correct 145 ms 7200 KB Output is correct
24 Correct 153 ms 8084 KB Output is correct
25 Correct 146 ms 6940 KB Output is correct
26 Correct 148 ms 7124 KB Output is correct
27 Execution timed out 1115 ms 636936 KB Time limit exceeded
28 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 764 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 743 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -