oj.uz

Submission #1068459

# Submission time Handle Problem Language Result Execution time Memory
1068459 2024-08-21T09:59:57 Z Unforgettablepl Catfish Farm (IOI22_fish) C++17
35 / 100
 1000 ms 1768308 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;

long long max_weights(int N, int M,vector<int> X,vector<int> Y,
                      vector<int> W){
    vector DP(N+1,vector(N+1,vector(2,0ll)));
    vector pref(N+2,vector(N+1,0ll));
    vector transition1(N+1,vector(N+1,0ll));
    vector transition2(N+1,vector(N+1,0ll));
    vector transition3(N+1,vector(N+1,0ll));
    vector transition4(N+1,vector(N+1,0ll));
    for(int i=0;i<M;i++) {
        pref[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];
    for(int i=2;i<=N;i++) {
        for(int j=0;j<=N;j++) {
            if(i!=2)DP[i][j][1]=max(DP[i][j][1],-pref[i][j]+transition1[i-1][j]);
            else {
                for(int x=j;x<=N;x++) {
                    DP[i][j][1]=max(DP[i][j][1],pref[i][x]-pref[i][j]+max(DP[i-1][x][0],DP[i-1][x][1]));
                }
            }
            if(i>2) {
                for(int x=0;x<=N;x++) {
                    DP[i][j][0]=max(DP[i][j][0],pref[i-1][max(x,j)]+max(DP[i-2][x][0],DP[i-2][x][1]));
                }
            }
            for(int x=0;x<=j;x++) {
                DP[i][j][0]=max(DP[i][j][0],pref[i-1][j]-pref[i-1][x]+DP[i-1][x][0]);
            }
            transition1[i][j]=pref[i+1][j]+max(DP[i][j][0],DP[i][j][1]);
        }
        for(int j=N-1;j>=0;j--)transition1[i][j]=max(transition1[i][j],transition1[i][j+1]);
    }
    long long ans = 0;
    for(int j=0;j<=N;j++)ans=max(ans,DP[N][j][0]);
    for(int j=0;j<=N;j++)ans=max(ans,DP[N][j][1]);
    return ans;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1107 ms 1768308 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Execution timed out 1104 ms 1658304 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1094 ms 1625836 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 8 ms 2396 KB Output is correct
10 Correct 54 ms 8924 KB Output is correct
11 Correct 9 ms 2392 KB Output is correct
12 Correct 51 ms 9052 KB Output is correct
13 Correct 2 ms 860 KB Output is correct
14 Correct 52 ms 8796 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 8 ms 2396 KB Output is correct
10 Correct 54 ms 8924 KB Output is correct
11 Correct 9 ms 2392 KB Output is correct
12 Correct 51 ms 9052 KB Output is correct
13 Correct 2 ms 860 KB Output is correct
14 Correct 52 ms 8796 KB Output is correct
15 Correct 52 ms 8792 KB Output is correct
16 Correct 2 ms 860 KB Output is correct
17 Correct 68 ms 10840 KB Output is correct
18 Correct 59 ms 10588 KB Output is correct
19 Correct 59 ms 10804 KB Output is correct
20 Correct 60 ms 10584 KB Output is correct
21 Correct 58 ms 10580 KB Output is correct
22 Correct 67 ms 12636 KB Output is correct
23 Correct 56 ms 9304 KB Output is correct
24 Correct 73 ms 10076 KB Output is correct
25 Correct 53 ms 8796 KB Output is correct
26 Correct 54 ms 9304 KB Output is correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 8 ms 2396 KB Output is correct
10 Correct 54 ms 8924 KB Output is correct
11 Correct 9 ms 2392 KB Output is correct
12 Correct 51 ms 9052 KB Output is correct
13 Correct 2 ms 860 KB Output is correct
14 Correct 52 ms 8796 KB Output is correct
15 Correct 52 ms 8792 KB Output is correct
16 Correct 2 ms 860 KB Output is correct
17 Correct 68 ms 10840 KB Output is correct
18 Correct 59 ms 10588 KB Output is correct
19 Correct 59 ms 10804 KB Output is correct
20 Correct 60 ms 10584 KB Output is correct
21 Correct 58 ms 10580 KB Output is correct
22 Correct 67 ms 12636 KB Output is correct
23 Correct 56 ms 9304 KB Output is correct
24 Correct 73 ms 10076 KB Output is correct
25 Correct 53 ms 8796 KB Output is correct
26 Correct 54 ms 9304 KB Output is correct
27 Execution timed out 1082 ms 847020 KB Time limit exceeded
28 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1094 ms 1625836 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1107 ms 1768308 KB Time limit exceeded
2 Halted 0 ms 0 KB -