oj.uz

Submission #1023427

# Submission time Handle Problem Language Result Execution time Memory
1023427 2024-07-14T18:33:52 Z Issa Catfish Farm (IOI22_fish) C++17
0 / 100
 898 ms 468648 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int maxn = 3e3 + 100;
const int maxl = 11;
int n;
ll dp[maxn][maxn][2];
ll a[maxn][maxn];

long long max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W){
    n = N;
    for(int i = 0; i < M; i++){
        X[i]++; Y[i]++;
        a[X[i]][Y[i]] += W[i];
    }
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            a[i][j] += a[i][j-1];
        }
    }
    for(int i = 1; i <= n; i++){
        for(int j = 0; j <= n; j++){
            dp[i][j][0] = dp[i][j][1] = -(ll)1e18;
            if(i == 1) dp[i][j][1] = dp[i][j][0] = 0;
        }
    }
    for(int i = 1; i < n; i++){
        for(int j = 0; j <= n; j++){
            for(int k = 0; k <= n; k++){
                if(j <= k){
                    dp[i+1][k][1] = max(dp[i+1][k][1], dp[i][j][1] + a[i][k] - a[i][j]);
                }
                if(j >= k){
                    dp[i+1][k][0] = max(dp[i+1][k][0], dp[i][j][0] + a[i+1][j] - a[i+1][k]);
                }
                if(i + 2 <= n){
                    dp[i+2][k][0] = max(dp[i+2][k][0], dp[i][j][1] + a[i][n] + a[i+2][n] - a[i][j] - a[i+2][k]);
                    dp[i+2][k][1] = max(dp[i+2][k][1], dp[i][j][0] + a[i+1][min(i, k)]);
                }
            }
        }
    }
    // for(int i = 1; i <= n; i++){
    //     for(int j = 0; j <= n; j++){
    //         cout << dp[i][j][0] << ' ';
    //     } cout << endl;
    //     for(int j = 0; j <= n; j++){
    //         cout << dp[i][j][1] << ' ';
    //     } cout << endl << endl;
    // }
    ll ans = 0;
    for(int i = 0; i <= n; i++){
        for(int c = 0; c < 2; c++){
            ans = max(ans, dp[n][i][c]);
        }
    }
    return ans;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 861 ms 463184 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Runtime error 862 ms 468648 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 898 ms 458080 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2492 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Incorrect 10 ms 3788 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '177221883791'
10 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2492 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Incorrect 10 ms 3788 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '177221883791'
10 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2492 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Incorrect 10 ms 3788 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '177221883791'
10 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 898 ms 458080 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 861 ms 463184 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -