oj.uz

Submission #875640

# Submission time Handle Problem Language Result Execution time Memory
875640 2023-11-20T09:33:53 Z hmm789 Cat Exercise (JOI23_ho_t4) C++14
21 / 100
 2000 ms 344064 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF 1000000000000000000
#define MOD 998244353
 
vector<int> adj[200000];
int mx[5000][5000], memo[5000][5000];
int dp(int x, int y) {
    if(x > y) return 0;
    if(memo[x][y] != -1) return memo[x][y];
    memo[x][y] = 0;
    if(x <= mx[x][y]-1) memo[x][y] = max(memo[x][y], dp(x, mx[x][y]-1)+mx[x][y]-mx[x][mx[x][y]-1]);
    if(mx[x][y]+1 <= y) memo[x][y] = max(memo[x][y], dp(mx[x][y]+1, y)+mx[mx[x][y]+1][y]-mx[x][y]);
    return memo[x][y];
}

int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n, x, y;
    cin >> n;
    int p[n];
    for(int i = 0; i < n; i++) cin >> p[i];
    for(int i = 0; i < n-1; i++) {
        cin >> x >> y;
        x--; y--;
        adj[x].push_back(y);
        adj[y].push_back(x);
    }
    for(int i = 0; i < n; i++) {
        for(int j = i; j < n; j++) {
            if(i == j) mx[i][j] = i;
            else if(p[mx[i][j-1]] > p[j]) mx[i][j] = mx[i][j-1];
            else mx[i][j] = j;
        }
    }
    memset(memo, -1, sizeof(memo));
    cout << dp(0, n-1);
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 203468 KB Output is correct
2 Correct 48 ms 203624 KB Output is correct
3 Correct 52 ms 203856 KB Output is correct
4 Correct 48 ms 203600 KB Output is correct
5 Correct 48 ms 203600 KB Output is correct
6 Correct 48 ms 203504 KB Output is correct
7 Correct 49 ms 203604 KB Output is correct
8 Correct 48 ms 203600 KB Output is correct
9 Correct 48 ms 203600 KB Output is correct
10 Correct 48 ms 203604 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 203468 KB Output is correct
2 Correct 48 ms 203624 KB Output is correct
3 Correct 52 ms 203856 KB Output is correct
4 Correct 48 ms 203600 KB Output is correct
5 Correct 48 ms 203600 KB Output is correct
6 Correct 48 ms 203504 KB Output is correct
7 Correct 49 ms 203604 KB Output is correct
8 Correct 48 ms 203600 KB Output is correct
9 Correct 48 ms 203600 KB Output is correct
10 Correct 48 ms 203604 KB Output is correct
11 Correct 51 ms 213840 KB Output is correct
12 Correct 54 ms 213844 KB Output is correct
13 Correct 51 ms 213840 KB Output is correct
14 Correct 51 ms 213856 KB Output is correct
15 Correct 51 ms 213776 KB Output is correct
16 Correct 57 ms 213844 KB Output is correct
17 Correct 52 ms 214044 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 203468 KB Output is correct
2 Correct 48 ms 203624 KB Output is correct
3 Correct 52 ms 203856 KB Output is correct
4 Correct 48 ms 203600 KB Output is correct
5 Correct 48 ms 203600 KB Output is correct
6 Correct 48 ms 203504 KB Output is correct
7 Correct 49 ms 203604 KB Output is correct
8 Correct 48 ms 203600 KB Output is correct
9 Correct 48 ms 203600 KB Output is correct
10 Correct 48 ms 203604 KB Output is correct
11 Correct 51 ms 213840 KB Output is correct
12 Correct 54 ms 213844 KB Output is correct
13 Correct 51 ms 213840 KB Output is correct
14 Correct 51 ms 213856 KB Output is correct
15 Correct 51 ms 213776 KB Output is correct
16 Correct 57 ms 213844 KB Output is correct
17 Correct 52 ms 214044 KB Output is correct
18 Correct 195 ms 343080 KB Output is correct
19 Correct 129 ms 342944 KB Output is correct
20 Correct 131 ms 344064 KB Output is correct
21 Correct 130 ms 342656 KB Output is correct
22 Correct 129 ms 342784 KB Output is correct
23 Correct 128 ms 342724 KB Output is correct
24 Correct 131 ms 342680 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 203468 KB Output is correct
2 Correct 48 ms 203624 KB Output is correct
3 Correct 52 ms 203856 KB Output is correct
4 Correct 48 ms 203600 KB Output is correct
5 Correct 48 ms 203600 KB Output is correct
6 Correct 48 ms 203504 KB Output is correct
7 Correct 49 ms 203604 KB Output is correct
8 Correct 48 ms 203600 KB Output is correct
9 Correct 48 ms 203600 KB Output is correct
10 Correct 48 ms 203604 KB Output is correct
11 Correct 51 ms 213840 KB Output is correct
12 Correct 54 ms 213844 KB Output is correct
13 Correct 51 ms 213840 KB Output is correct
14 Correct 51 ms 213856 KB Output is correct
15 Correct 51 ms 213776 KB Output is correct
16 Correct 57 ms 213844 KB Output is correct
17 Correct 52 ms 214044 KB Output is correct
18 Correct 195 ms 343080 KB Output is correct
19 Correct 129 ms 342944 KB Output is correct
20 Correct 131 ms 344064 KB Output is correct
21 Correct 130 ms 342656 KB Output is correct
22 Correct 129 ms 342784 KB Output is correct
23 Correct 128 ms 342724 KB Output is correct
24 Correct 131 ms 342680 KB Output is correct
25 Correct 48 ms 203516 KB Output is correct
26 Incorrect 133 ms 343792 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 203468 KB Output is correct
2 Correct 48 ms 203624 KB Output is correct
3 Correct 52 ms 203856 KB Output is correct
4 Correct 48 ms 203600 KB Output is correct
5 Correct 48 ms 203600 KB Output is correct
6 Correct 48 ms 203504 KB Output is correct
7 Correct 49 ms 203604 KB Output is correct
8 Correct 48 ms 203600 KB Output is correct
9 Correct 48 ms 203600 KB Output is correct
10 Correct 48 ms 203604 KB Output is correct
11 Correct 51 ms 213840 KB Output is correct
12 Correct 54 ms 213844 KB Output is correct
13 Correct 51 ms 213840 KB Output is correct
14 Correct 51 ms 213856 KB Output is correct
15 Correct 51 ms 213776 KB Output is correct
16 Correct 57 ms 213844 KB Output is correct
17 Correct 52 ms 214044 KB Output is correct
18 Correct 195 ms 343080 KB Output is correct
19 Correct 129 ms 342944 KB Output is correct
20 Correct 131 ms 344064 KB Output is correct
21 Correct 130 ms 342656 KB Output is correct
22 Correct 129 ms 342784 KB Output is correct
23 Correct 128 ms 342724 KB Output is correct
24 Correct 131 ms 342680 KB Output is correct
25 Execution timed out 2029 ms 174988 KB Time limit exceeded
26 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 203592 KB Output is correct
2 Incorrect 53 ms 211792 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 203468 KB Output is correct
2 Correct 48 ms 203624 KB Output is correct
3 Correct 52 ms 203856 KB Output is correct
4 Correct 48 ms 203600 KB Output is correct
5 Correct 48 ms 203600 KB Output is correct
6 Correct 48 ms 203504 KB Output is correct
7 Correct 49 ms 203604 KB Output is correct
8 Correct 48 ms 203600 KB Output is correct
9 Correct 48 ms 203600 KB Output is correct
10 Correct 48 ms 203604 KB Output is correct
11 Correct 51 ms 213840 KB Output is correct
12 Correct 54 ms 213844 KB Output is correct
13 Correct 51 ms 213840 KB Output is correct
14 Correct 51 ms 213856 KB Output is correct
15 Correct 51 ms 213776 KB Output is correct
16 Correct 57 ms 213844 KB Output is correct
17 Correct 52 ms 214044 KB Output is correct
18 Correct 195 ms 343080 KB Output is correct
19 Correct 129 ms 342944 KB Output is correct
20 Correct 131 ms 344064 KB Output is correct
21 Correct 130 ms 342656 KB Output is correct
22 Correct 129 ms 342784 KB Output is correct
23 Correct 128 ms 342724 KB Output is correct
24 Correct 131 ms 342680 KB Output is correct
25 Correct 48 ms 203516 KB Output is correct
26 Incorrect 133 ms 343792 KB Output isn't correct
27 Halted 0 ms 0 KB -