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Submission #895497

# Submission time Handle Problem Language Result Execution time Memory
895497 2023-12-30T05:48:52 Z kh0i Two Antennas (JOI19_antennas) C++17
13 / 100
 50 ms 22612 KB 
#include "bits/stdc++.h"
using namespace std;

using ll = long long;

const int N = 2e5 + 3;

int n, q;
int h[N], a[N], b[N], l[N], r[N];

namespace Sub12{
    bool valid_input(){ return n <= 2000; }

    int f[2003][2003];

    int calc(int i, int j){
        int d = abs(j - i);
        if(d < a[i] or d > b[i] or d < a[j] or d > b[j])
            return -1;
        return abs(h[i] - h[j]);
    }

    void solve(){
        for(int i = 1; i <= n; ++i)
            f[i][i] = -1;

        for(int len = 2; len <= n; ++len)
            for(int l = 1, r = len; r <= n; ++l, ++r)
                f[l][r] = max(max(f[l + 1][r], f[l][r - 1]), calc(l, r));

        for(int i = 1; i <= q; ++i)
            cout << f[l[i]][r[i]] << '\n';
    }
}

signed main(){
    cin.tie(nullptr)->sync_with_stdio(false);

    cin >> n;
    for(int i = 1; i <= n; ++i)
        cin >> h[i] >> a[i] >> b[i];
    cin >> q;
    for(int i = 1; i <= q; ++i)
        cin >> l[i] >> r[i];

    if(Sub12::valid_input())
        Sub12::solve();

    return 0;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6480 KB Output is correct
2 Correct 2 ms 8796 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 2 ms 8796 KB Output is correct
5 Correct 2 ms 6748 KB Output is correct
6 Correct 2 ms 8796 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 2 ms 8796 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 8796 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 2 ms 8664 KB Output is correct
13 Correct 1 ms 6748 KB Output is correct
14 Correct 1 ms 6748 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6748 KB Output is correct
18 Correct 2 ms 6748 KB Output is correct
19 Correct 1 ms 6748 KB Output is correct
20 Correct 2 ms 6492 KB Output is correct
21 Correct 1 ms 6748 KB Output is correct
22 Correct 2 ms 6492 KB Output is correct
23 Correct 1 ms 6748 KB Output is correct
24 Correct 2 ms 6492 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6480 KB Output is correct
2 Correct 2 ms 8796 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 2 ms 8796 KB Output is correct
5 Correct 2 ms 6748 KB Output is correct
6 Correct 2 ms 8796 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 2 ms 8796 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 8796 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 2 ms 8664 KB Output is correct
13 Correct 1 ms 6748 KB Output is correct
14 Correct 1 ms 6748 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6748 KB Output is correct
18 Correct 2 ms 6748 KB Output is correct
19 Correct 1 ms 6748 KB Output is correct
20 Correct 2 ms 6492 KB Output is correct
21 Correct 1 ms 6748 KB Output is correct
22 Correct 2 ms 6492 KB Output is correct
23 Correct 1 ms 6748 KB Output is correct
24 Correct 2 ms 6492 KB Output is correct
25 Correct 28 ms 15184 KB Output is correct
26 Correct 18 ms 19280 KB Output is correct
27 Correct 44 ms 22612 KB Output is correct
28 Correct 50 ms 22504 KB Output is correct
29 Correct 28 ms 15444 KB Output is correct
30 Correct 38 ms 21332 KB Output is correct
31 Correct 32 ms 9552 KB Output is correct
32 Correct 50 ms 22608 KB Output is correct
33 Correct 39 ms 17992 KB Output is correct
34 Correct 31 ms 21036 KB Output is correct
35 Correct 47 ms 20308 KB Output is correct
36 Correct 49 ms 22612 KB Output is correct
37 Correct 26 ms 20572 KB Output is correct
38 Correct 40 ms 21840 KB Output is correct
39 Correct 12 ms 19288 KB Output is correct
40 Correct 43 ms 21452 KB Output is correct
41 Correct 31 ms 20820 KB Output is correct
42 Correct 40 ms 21452 KB Output is correct
43 Correct 18 ms 19804 KB Output is correct
44 Correct 40 ms 21664 KB Output is correct
45 Correct 13 ms 19536 KB Output is correct
46 Correct 39 ms 21584 KB Output is correct
47 Correct 17 ms 19664 KB Output is correct
48 Correct 40 ms 21588 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 36 ms 8520 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6480 KB Output is correct
2 Correct 2 ms 8796 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 2 ms 8796 KB Output is correct
5 Correct 2 ms 6748 KB Output is correct
6 Correct 2 ms 8796 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 2 ms 8796 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 8796 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 2 ms 8664 KB Output is correct
13 Correct 1 ms 6748 KB Output is correct
14 Correct 1 ms 6748 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6748 KB Output is correct
18 Correct 2 ms 6748 KB Output is correct
19 Correct 1 ms 6748 KB Output is correct
20 Correct 2 ms 6492 KB Output is correct
21 Correct 1 ms 6748 KB Output is correct
22 Correct 2 ms 6492 KB Output is correct
23 Correct 1 ms 6748 KB Output is correct
24 Correct 2 ms 6492 KB Output is correct
25 Correct 28 ms 15184 KB Output is correct
26 Correct 18 ms 19280 KB Output is correct
27 Correct 44 ms 22612 KB Output is correct
28 Correct 50 ms 22504 KB Output is correct
29 Correct 28 ms 15444 KB Output is correct
30 Correct 38 ms 21332 KB Output is correct
31 Correct 32 ms 9552 KB Output is correct
32 Correct 50 ms 22608 KB Output is correct
33 Correct 39 ms 17992 KB Output is correct
34 Correct 31 ms 21036 KB Output is correct
35 Correct 47 ms 20308 KB Output is correct
36 Correct 49 ms 22612 KB Output is correct
37 Correct 26 ms 20572 KB Output is correct
38 Correct 40 ms 21840 KB Output is correct
39 Correct 12 ms 19288 KB Output is correct
40 Correct 43 ms 21452 KB Output is correct
41 Correct 31 ms 20820 KB Output is correct
42 Correct 40 ms 21452 KB Output is correct
43 Correct 18 ms 19804 KB Output is correct
44 Correct 40 ms 21664 KB Output is correct
45 Correct 13 ms 19536 KB Output is correct
46 Correct 39 ms 21584 KB Output is correct
47 Correct 17 ms 19664 KB Output is correct
48 Correct 40 ms 21588 KB Output is correct
49 Incorrect 36 ms 8520 KB Output isn't correct
50 Halted 0 ms 0 KB -