oj.uz

Submission #681802

# Submission time Handle Problem Language Result Execution time Memory
681802 2023-01-14T12:25:38 Z Jarif_Rahman Catfish Farm (IOI22_fish) C++17
0 / 100
 731 ms 2097152 KB 
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

ll max_weights(int n, int m, vector<int> X, vector<int> Y, vector<int> W){
    vector<vector<ll>> v(n, vector<ll>(n+1, 0));
    for(int i = 0; i < m; i++) v[X[i]][Y[i]+1]+=W[i];

    vector<vector<ll>> dp_up(n, vector<ll>(n+1, 0)), dp_down = dp_up;

    for(int i = n-1; i >= 0; i--) for(int j = 0; j <= n; j++){
        if(i == n-1){
            dp_down[i][j] = 0;
            dp_up[i][j] = 0;
            continue;
        }

        ll s = 0;
        for(int k = j; k <= n; k++){
            if(k > j) s+=v[i][k];
            dp_up[i][j] = max(dp_up[i][j], s+dp_up[i+1][k]);
        }
        s = 0;
        for(int k = j; k >= 0; k--){
            if(k < j) s+=v[i+1][k+1];
            dp_down[i][j] = max(dp_down[i][j], s+dp_down[i+1][k]);
        }

        s = 0;
        for(int k = j+1; k <= n; k++) s+=v[i][k];
        dp_up[i][j] = max(dp_up[i][j], s+dp_down[i+1][n]);

        if(i+2 < n){
            s = 0;
            for(int k = 0; k <= j; k++) s+=v[i+1][k];
            for(int k = 0; k <= n; k++){
                if(k > j) s+=v[i+1][k];
                //dp_down[i][j] = max(dp_down[i][j], s+dp_up[i+2][k]);
            }
            dp_down[i][j] = max(dp_down[i][j], s+dp_down[i+2][n]);
        }
    }

    return max(*max_element(dp_up[0].begin(), dp_up[0].end()), *max_element(dp_down[0].begin(), dp_down[0].end()));
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 717 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 300 KB Output is correct
2 Runtime error 731 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 703 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 304 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 300 KB Output is correct
9 Correct 11 ms 852 KB Output is correct
10 Correct 73 ms 2540 KB Output is correct
11 Incorrect 10 ms 852 KB 1st lines differ - on the 1st token, expected: '278622587073', found: '277471986209'
12 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 304 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 300 KB Output is correct
9 Correct 11 ms 852 KB Output is correct
10 Correct 73 ms 2540 KB Output is correct
11 Incorrect 10 ms 852 KB 1st lines differ - on the 1st token, expected: '278622587073', found: '277471986209'
12 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 304 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 300 KB Output is correct
9 Correct 11 ms 852 KB Output is correct
10 Correct 73 ms 2540 KB Output is correct
11 Incorrect 10 ms 852 KB 1st lines differ - on the 1st token, expected: '278622587073', found: '277471986209'
12 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 703 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 717 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -