Submission #705596

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
705596	2023-03-04T18:01:43 Z	danikoynov	Radio Towers (IOI22_towers)	C++17	11 / 100	4000 ms	1572 KB

towers

#include "towers.h"

#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 10;

int n, h[maxn];
void init(int N, std::vector<int> H)
{
    n = N;
    for (int i = 0; i < n; i ++)
        h[i] = H[i];
}

int par[maxn], rnk[maxn];

int find_leader(int v)
{
    return (v == par[v]) ? v : par[v] = find_leader(par[v]);
}

void unite(int v, int u)
{
    v = find_leader(v);
    u = find_leader(u);
    if (v == u)
        return;

    if (rnk[v] < rnk[u])
        swap(v, u);
    rnk[v] += rnk[u];
    par[u] = v;
}

int dp[maxn];
int max_towers(int L, int R, int D)
{
    for (int i = L; i <= R; i ++)
    {
        dp[i] = 1;
    }

    for (int i = L; i <= R; i ++)
    {
        int max_tower = 0;
        for (int j = i - 1; j >= L; j --)
        {
            if (max_tower - D >= h[i] && max_tower - D >= h[j])
                dp[i] = max(dp[i], dp[j] + 1);
            max_tower = max(max_tower, h[j]);
        }
    }

    int ans = 0;
    for (int i = L; i <= R; i ++)
        ans = max(ans, dp[i]);
    return ans;
}

Subtask #1

0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4010 ms	980 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #2

11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	2 ms	336 KB	Output is correct
3	Correct	1 ms	208 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	2 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	2 ms	208 KB	Output is correct
8	Correct	1 ms	208 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	208 KB	Output is correct
12	Correct	0 ms	208 KB	Output is correct
13	Correct	1 ms	300 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	208 KB	Output is correct
16	Correct	4 ms	208 KB	Output is correct
17	Correct	1 ms	208 KB	Output is correct
18	Correct	1 ms	304 KB	Output is correct
19	Correct	1 ms	208 KB	Output is correct
20	Correct	8 ms	300 KB	Output is correct
21	Correct	8 ms	336 KB	Output is correct
22	Correct	7 ms	336 KB	Output is correct
23	Correct	3 ms	336 KB	Output is correct
24	Correct	4 ms	336 KB	Output is correct
25	Correct	1 ms	208 KB	Output is correct
26	Correct	4 ms	336 KB	Output is correct
27	Correct	5 ms	208 KB	Output is correct
28	Correct	4 ms	208 KB	Output is correct
29	Correct	4 ms	208 KB	Output is correct
30	Correct	4 ms	336 KB	Output is correct
31	Correct	4 ms	332 KB	Output is correct
32	Correct	4 ms	208 KB	Output is correct
33	Correct	3 ms	340 KB	Output is correct
34	Correct	3 ms	296 KB	Output is correct
35	Correct	3 ms	336 KB	Output is correct

Subtask #3

0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	2 ms	336 KB	Output is correct
3	Correct	1 ms	208 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	2 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	2 ms	208 KB	Output is correct
8	Correct	1 ms	208 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	208 KB	Output is correct
12	Correct	0 ms	208 KB	Output is correct
13	Correct	1 ms	300 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	208 KB	Output is correct
16	Correct	4 ms	208 KB	Output is correct
17	Correct	1 ms	208 KB	Output is correct
18	Correct	1 ms	304 KB	Output is correct
19	Correct	1 ms	208 KB	Output is correct
20	Correct	8 ms	300 KB	Output is correct
21	Correct	8 ms	336 KB	Output is correct
22	Correct	7 ms	336 KB	Output is correct
23	Correct	3 ms	336 KB	Output is correct
24	Correct	4 ms	336 KB	Output is correct
25	Correct	1 ms	208 KB	Output is correct
26	Correct	4 ms	336 KB	Output is correct
27	Correct	5 ms	208 KB	Output is correct
28	Correct	4 ms	208 KB	Output is correct
29	Correct	4 ms	208 KB	Output is correct
30	Correct	4 ms	336 KB	Output is correct
31	Correct	4 ms	332 KB	Output is correct
32	Correct	4 ms	208 KB	Output is correct
33	Correct	3 ms	340 KB	Output is correct
34	Correct	3 ms	296 KB	Output is correct
35	Correct	3 ms	336 KB	Output is correct
36	Correct	521 ms	976 KB	Output is correct
37	Correct	1078 ms	1452 KB	Output is correct
38	Correct	258 ms	1456 KB	Output is correct
39	Correct	592 ms	1572 KB	Output is correct
40	Correct	235 ms	1448 KB	Output is correct
41	Execution timed out	4051 ms	1360 KB	Time limit exceeded
42	Halted	0 ms	0 KB	-

Subtask #4

0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4010 ms	1448 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4025 ms	676 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #6

0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	2 ms	336 KB	Output is correct
3	Correct	1 ms	208 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	2 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	2 ms	208 KB	Output is correct
8	Correct	1 ms	208 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	208 KB	Output is correct
12	Correct	0 ms	208 KB	Output is correct
13	Correct	1 ms	300 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	208 KB	Output is correct
16	Correct	4 ms	208 KB	Output is correct
17	Correct	1 ms	208 KB	Output is correct
18	Correct	1 ms	304 KB	Output is correct
19	Correct	1 ms	208 KB	Output is correct
20	Correct	8 ms	300 KB	Output is correct
21	Correct	8 ms	336 KB	Output is correct
22	Correct	7 ms	336 KB	Output is correct
23	Correct	3 ms	336 KB	Output is correct
24	Correct	4 ms	336 KB	Output is correct
25	Correct	1 ms	208 KB	Output is correct
26	Correct	4 ms	336 KB	Output is correct
27	Correct	5 ms	208 KB	Output is correct
28	Correct	4 ms	208 KB	Output is correct
29	Correct	4 ms	208 KB	Output is correct
30	Correct	4 ms	336 KB	Output is correct
31	Correct	4 ms	332 KB	Output is correct
32	Correct	4 ms	208 KB	Output is correct
33	Correct	3 ms	340 KB	Output is correct
34	Correct	3 ms	296 KB	Output is correct
35	Correct	3 ms	336 KB	Output is correct
36	Correct	521 ms	976 KB	Output is correct
37	Correct	1078 ms	1452 KB	Output is correct
38	Correct	258 ms	1456 KB	Output is correct
39	Correct	592 ms	1572 KB	Output is correct
40	Correct	235 ms	1448 KB	Output is correct
41	Execution timed out	4051 ms	1360 KB	Time limit exceeded
42	Halted	0 ms	0 KB	-

Subtask #7

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4010 ms	980 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-