oj.uz

Submission #1079473

# Submission time Handle Problem Language Result Execution time Memory
1079473 2024-08-28T15:31:00 Z ArthuroWich Catfish Farm (IOI22_fish) C++17
35 / 100
 1000 ms 2097152 KB 
#include "fish.h"
#include<bits/stdc++.h>
using namespace std;
#define int long long int
int pref[3005][3005];
int query(int j, int i1, int i2) {
    if (i1 > i2) {
        return 0;
    }
    return pref[i2][j]-pref[i1-1][j];
}
int max_weights(int32_t N, int32_t M, vector<int32_t> X, vector<int32_t> Y, vector<int32_t> W) {
    int n = N, m = M, yn;
    yn = N;
    vector<vector<int>> c(yn+1, vector<int>(n+1, 0));
    vector<vector<vector<int>>> dp(yn+1, vector<vector<int>>(n+1, vector<int>(2, 0))); // 0 is increasing, 1 is decreasing, increasing can go to decreasing, decreasing cant go to increasing if next to eachother
    for (int i = 0; i < m; i++) {
        c[Y[i]+1][X[i]] = W[i];
        pref[Y[i]+1][X[i]] = W[i];
    }
    for (int j = 0; j < n; j++) {
        for (int i = 1; i <= yn; i++) {
            pref[i][j] += pref[i-1][j];
        }
    }
    for (int j = 1; j < n; j++) {
        int v = 0;
        dp[0][j][0] = max(dp[0][j][0], dp[0][j-1][0]);
        for (int i = 1; i <= yn; i++) {
            v += c[i][j];
            dp[0][j][0] = max(dp[0][j][0], dp[i][j-1][0]+v);
            dp[0][j][0] = max(dp[0][j][0], dp[i][j-1][1]+v);
        }
        for (int i = 1; i <= yn; i++) {
            for (int a = i; a <= yn; a++) {
                v = query(j, i+1, a);
                dp[i][j][1] = max(dp[i][j][1], dp[a][j-1][0]+v);
                dp[i][j][1] = max(dp[i][j][1], dp[a][j-1][1]+v);
            } 
            for (int a = 1; a <= i; a++) {
                v = query(j-1, a+1, i);
                dp[i][j][0] = max(dp[i][j][0], dp[a][j-1][0]+v);
            } 
        }
        if (j == 1) {
            v = 0;
            for (int i = 1; i <= yn; i++) {
                v += c[i][j-1];
                dp[i][j][0] = max(dp[i][j][0], dp[0][j-1][0]+v);
                dp[i][j][1] = max(dp[i][j][1], dp[0][j-1][0]+v);
            }
        }
        if (j-2 >= 0) {
            v = 0;
            for (int i = 1; i <= yn; i++) {
                v += c[i][j-1];
                dp[i][j][0] = max(dp[i][j][0], dp[0][j-2][0]+v);
                dp[i][j][1] = max(dp[i][j][1], dp[0][j-2][0]+v);
            }
            for (int i = 1; i <= yn; i++) {
                v = 0;
                for (int h = 1; h <= i; h++) {
                    v += c[h][j-1];
                }
                for (int h = 1; h <= i; h++) {
                    dp[i][j][0] = max(dp[i][j][0], dp[h][j-2][0]+v); // we just max of j-2 opt
                    dp[i][j][0] = max(dp[i][j][0], dp[h][j-2][1]+v);
                    dp[i][j][1] = max(dp[i][j][1], dp[h][j-2][0]+v);
                    dp[i][j][1] = max(dp[i][j][1], dp[h][j-2][1]+v);
                }
            }
        }
    }
    int ans = 0;
    for (int i = 0; i <= yn; i++) {
        ans = max(ans, dp[i][n-1][0]);
        ans = max(ans, dp[i][n-1][1]);
    }
    return ans;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 865 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 348 KB Output is correct
2 Runtime error 863 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 825 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 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 21 ms 2696 KB Output is correct
10 Correct 144 ms 8028 KB Output is correct
11 Correct 18 ms 2648 KB Output is correct
12 Correct 155 ms 8084 KB Output is correct
13 Correct 3 ms 1112 KB Output is correct
14 Correct 143 ms 8028 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 21 ms 2696 KB Output is correct
10 Correct 144 ms 8028 KB Output is correct
11 Correct 18 ms 2648 KB Output is correct
12 Correct 155 ms 8084 KB Output is correct
13 Correct 3 ms 1112 KB Output is correct
14 Correct 143 ms 8028 KB Output is correct
15 Correct 143 ms 8040 KB Output is correct
16 Correct 3 ms 1112 KB Output is correct
17 Correct 158 ms 9684 KB Output is correct
18 Correct 151 ms 9816 KB Output is correct
19 Correct 148 ms 9820 KB Output is correct
20 Correct 153 ms 9816 KB Output is correct
21 Correct 157 ms 9820 KB Output is correct
22 Correct 159 ms 11604 KB Output is correct
23 Correct 142 ms 8280 KB Output is correct
24 Correct 158 ms 9236 KB Output is correct
25 Correct 145 ms 8028 KB Output is correct
26 Correct 142 ms 8280 KB Output is correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 21 ms 2696 KB Output is correct
10 Correct 144 ms 8028 KB Output is correct
11 Correct 18 ms 2648 KB Output is correct
12 Correct 155 ms 8084 KB Output is correct
13 Correct 3 ms 1112 KB Output is correct
14 Correct 143 ms 8028 KB Output is correct
15 Correct 143 ms 8040 KB Output is correct
16 Correct 3 ms 1112 KB Output is correct
17 Correct 158 ms 9684 KB Output is correct
18 Correct 151 ms 9816 KB Output is correct
19 Correct 148 ms 9820 KB Output is correct
20 Correct 153 ms 9816 KB Output is correct
21 Correct 157 ms 9820 KB Output is correct
22 Correct 159 ms 11604 KB Output is correct
23 Correct 142 ms 8280 KB Output is correct
24 Correct 158 ms 9236 KB Output is correct
25 Correct 145 ms 8028 KB Output is correct
26 Correct 142 ms 8280 KB Output is correct
27 Execution timed out 1092 ms 635472 KB Time limit exceeded
28 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 825 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 865 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -