oj.uz

Submission #681976

# Submission time Handle Problem Language Result Execution time Memory
681976 2023-01-15T04:01:08 Z Jarif_Rahman Catfish Farm (IOI22_fish) C++17
52 / 100
 749 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,
    dtu2 = dp_up;
    vector<ll> dtu(n, 0);

    vector<vector<ll>> pref(n, vector<ll>(n+1, 0));
    for(int i = 0; i < n; i++) for(int j = 0; j <= n; j++){
        if(j) pref[i][j] = pref[i][j-1];
        pref[i][j]+=v[i][j];
    }

    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;
            }

            dp_up[i][j]-=pref[i][j];
            dp_down[i][j]-=pref[i+1][n]-pref[i+1][j];
            dp_up[i][j] = max(dp_up[i][j], pref[i][n]-pref[i][j]+dp_down[i+1][n]);

            if(i+2 < n){
                dp_down[i][j] = max(dp_down[i][j], dtu2[i+2][j]+pref[i+1][j]);
                dp_down[i][j] = max(dp_down[i][j], dtu[i+2]-pref[i+1][j]);
                dp_down[i][j] = max(dp_down[i][j], pref[i+1][n]+dp_down[i+2][n]);
            }
        }

        if(i){
            ll mx = 0;
            for(int j = 0; j <= n; j++) mx = max(mx, pref[i-1][j]+dp_up[i][j]);
            fill(dp_up[i-1].begin(), dp_up[i-1].end(), mx);
            dtu[i] = mx;

            mx = 0;
            for(int j = 0; j <= n; j++) mx = max(mx, pref[i][n]-pref[i][j]+dp_down[i][j]);
            fill(dp_down[i-1].begin(), dp_down[i-1].end(), mx);

            for(int j = 0; j <= n; j++){
                if(j) dtu2[i][j] = dtu2[i][j-1];
                dtu2[i][j] = max(dtu2[i][j], dp_up[i][j]);
            }
        }
    }

    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 740 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 212 KB Output is correct
2 Runtime error 749 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 712 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 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 252 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 1108 KB Output is correct
10 Correct 4 ms 3924 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 4 ms 3796 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 4 ms 3796 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 252 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 1108 KB Output is correct
10 Correct 4 ms 3924 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 4 ms 3796 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 4 ms 3796 KB Output is correct
15 Correct 3 ms 3880 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 20 ms 5628 KB Output is correct
18 Correct 21 ms 5636 KB Output is correct
19 Correct 15 ms 5580 KB Output is correct
20 Correct 16 ms 5592 KB Output is correct
21 Correct 16 ms 5492 KB Output is correct
22 Correct 29 ms 6628 KB Output is correct
23 Correct 6 ms 4180 KB Output is correct
24 Correct 11 ms 4972 KB Output is correct
25 Correct 4 ms 3924 KB Output is correct
26 Correct 7 ms 4180 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 252 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 1108 KB Output is correct
10 Correct 4 ms 3924 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 4 ms 3796 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 4 ms 3796 KB Output is correct
15 Correct 3 ms 3880 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 20 ms 5628 KB Output is correct
18 Correct 21 ms 5636 KB Output is correct
19 Correct 15 ms 5580 KB Output is correct
20 Correct 16 ms 5592 KB Output is correct
21 Correct 16 ms 5492 KB Output is correct
22 Correct 29 ms 6628 KB Output is correct
23 Correct 6 ms 4180 KB Output is correct
24 Correct 11 ms 4972 KB Output is correct
25 Correct 4 ms 3924 KB Output is correct
26 Correct 7 ms 4180 KB Output is correct
27 Correct 286 ms 353264 KB Output is correct
28 Correct 75 ms 31232 KB Output is correct
29 Correct 414 ms 365772 KB Output is correct
30 Correct 377 ms 365772 KB Output is correct
31 Correct 414 ms 365844 KB Output is correct
32 Correct 90 ms 24272 KB Output is correct
33 Correct 425 ms 365832 KB Output is correct
34 Correct 396 ms 366048 KB Output is correct
35 Correct 349 ms 357928 KB Output is correct
36 Correct 367 ms 365656 KB Output is correct

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 712 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 740 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -