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Submission #1110693

# Submission time Handle Problem Language Result Execution time Memory
1110693 2024-11-10T08:13:31 Z haru09 Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 139 ms 47160 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second

const int ar = 5e4 + 5;
const ll mod = 1e9 + 7;

int n, m;
int sqr;
int b[ar];
int p[ar];
int dp[ar][226];
vector<int> ad[ar];
struct seg
{
    int dis, i, p;
};
bool operator>(seg a, seg b)
{
    return a.dis > b.dis;
}
queue<seg> pq;
int ans = 1e9;
void dijkstra()
{
    memset(dp, 0x3f, sizeof dp);
    pq.push({0, b[0], 0});
    dp[b[0]][0] = 0;
    while(pq.size())
    {
        seg top = pq.front();
        pq.pop();
        int dis = top.dis;
        int i = top.i;
        int pk = top.p;
        if (dp[i][pk] < dis) continue;
        if (i == b[1]) ans = min(ans, dis);
        if (pk == 0)
        {
            for (auto x : ad[i])
            {
                if (p[x] <= sqr)
                {
                    if (dp[i][p[x]] > dis)
                    {
                        dp[i][p[x]] = dis;
                        pq.push({dis, i, p[x]});
                    }
                }
                else
                {
                    int cnt = 0;
                    for (int j = i; j < n; j += p[x])
                    {
                        if (dp[j][0] > dis + cnt)
                        {
                            dp[j][0] = dis + cnt;
                            pq.push({dp[j][0], j, 0});
                        }
                        cnt++;
                    }
                    cnt = 0;
                    for (int j = i; j >= 0; j -= p[x])
                    {
                        if (dp[j][0] > dis + cnt)
                        {
                            dp[j][0] = dis + cnt;
                            pq.push({dp[j][0], j, 0});
                        }
                        cnt++;
                    }
                }
            }
        }
        else
        {
            if (i + pk < n && dp[i + pk][pk] > dis + 1)
            {
                dp[i + pk][pk] = dis + 1;
                pq.push({dp[i + pk][pk], i + pk, pk});
            }
            if (i - pk >= 0 && dp[i - pk][pk] > dis + 1)
            {
                dp[i - pk][pk] = dis + 1;
                pq.push({dp[i - pk][pk], i - pk, pk});
            }
            if (dp[i][0] > dis)
            {
                dp[i][0] = dis;
                pq.push({dp[i][0], i, 0});
            }
        }
    }
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> m;
    for (int i = 0; i < m; i++)
    {
        cin >> b[i] >> p[i];
        ad[b[i]].push_back(i);
    }
    sqr = 225;
    dijkstra();
    if (ans == 1e9) ans = -1;
    cout << ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 45648 KB Output is correct
2 Correct 6 ms 45648 KB Output is correct
3 Correct 6 ms 45816 KB Output is correct
4 Correct 6 ms 45868 KB Output is correct
5 Correct 7 ms 45648 KB Output is correct
6 Correct 6 ms 45648 KB Output is correct
7 Correct 6 ms 45648 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 45648 KB Output is correct
2 Correct 6 ms 45648 KB Output is correct
3 Correct 6 ms 45648 KB Output is correct
4 Correct 6 ms 45648 KB Output is correct
5 Correct 6 ms 45648 KB Output is correct
6 Correct 6 ms 45736 KB Output is correct
7 Correct 6 ms 45648 KB Output is correct
8 Correct 6 ms 45712 KB Output is correct
9 Correct 6 ms 45648 KB Output is correct
10 Correct 6 ms 45648 KB Output is correct
11 Correct 6 ms 45904 KB Output is correct
12 Correct 6 ms 45904 KB Output is correct
13 Correct 6 ms 45904 KB Output is correct
14 Correct 6 ms 45916 KB Output is correct
15 Correct 7 ms 45904 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 45648 KB Output is correct
2 Correct 6 ms 45648 KB Output is correct
3 Correct 9 ms 45832 KB Output is correct
4 Correct 6 ms 45648 KB Output is correct
5 Correct 6 ms 45648 KB Output is correct
6 Correct 6 ms 45648 KB Output is correct
7 Correct 6 ms 45648 KB Output is correct
8 Correct 7 ms 45648 KB Output is correct
9 Correct 7 ms 45648 KB Output is correct
10 Correct 6 ms 45648 KB Output is correct
11 Correct 7 ms 45904 KB Output is correct
12 Correct 7 ms 45904 KB Output is correct
13 Correct 7 ms 45904 KB Output is correct
14 Correct 8 ms 46072 KB Output is correct
15 Correct 8 ms 45916 KB Output is correct
16 Correct 7 ms 45900 KB Output is correct
17 Correct 9 ms 45904 KB Output is correct
18 Correct 9 ms 45904 KB Output is correct
19 Correct 7 ms 45648 KB Output is correct
20 Correct 7 ms 45904 KB Output is correct
21 Correct 7 ms 45648 KB Output is correct
22 Correct 7 ms 45904 KB Output is correct
23 Correct 10 ms 45992 KB Output is correct
24 Correct 7 ms 45904 KB Output is correct
25 Correct 7 ms 45904 KB Output is correct
26 Correct 8 ms 45904 KB Output is correct
27 Correct 11 ms 45904 KB Output is correct
28 Correct 8 ms 45872 KB Output is correct
29 Correct 8 ms 45904 KB Output is correct
30 Correct 8 ms 45648 KB Output is correct
31 Correct 11 ms 45648 KB Output is correct
32 Correct 8 ms 45648 KB Output is correct
33 Correct 15 ms 45916 KB Output is correct
34 Correct 12 ms 45904 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 45648 KB Output is correct
2 Correct 7 ms 45648 KB Output is correct
3 Correct 11 ms 45648 KB Output is correct
4 Correct 8 ms 45648 KB Output is correct
5 Correct 6 ms 45648 KB Output is correct
6 Correct 6 ms 45648 KB Output is correct
7 Correct 9 ms 45648 KB Output is correct
8 Correct 10 ms 45648 KB Output is correct
9 Correct 6 ms 45648 KB Output is correct
10 Correct 9 ms 45648 KB Output is correct
11 Correct 7 ms 45904 KB Output is correct
12 Correct 7 ms 45908 KB Output is correct
13 Correct 7 ms 45904 KB Output is correct
14 Correct 7 ms 45904 KB Output is correct
15 Correct 7 ms 45904 KB Output is correct
16 Correct 7 ms 45648 KB Output is correct
17 Correct 8 ms 45904 KB Output is correct
18 Correct 7 ms 45904 KB Output is correct
19 Correct 7 ms 45648 KB Output is correct
20 Correct 7 ms 45904 KB Output is correct
21 Correct 7 ms 45648 KB Output is correct
22 Correct 7 ms 45648 KB Output is correct
23 Correct 7 ms 45904 KB Output is correct
24 Correct 8 ms 45904 KB Output is correct
25 Correct 7 ms 45904 KB Output is correct
26 Correct 7 ms 45904 KB Output is correct
27 Correct 7 ms 45904 KB Output is correct
28 Correct 9 ms 45904 KB Output is correct
29 Correct 8 ms 45904 KB Output is correct
30 Correct 7 ms 45648 KB Output is correct
31 Correct 8 ms 45648 KB Output is correct
32 Correct 8 ms 45648 KB Output is correct
33 Correct 9 ms 45904 KB Output is correct
34 Correct 12 ms 45820 KB Output is correct
35 Correct 15 ms 46160 KB Output is correct
36 Correct 7 ms 45904 KB Output is correct
37 Correct 14 ms 46152 KB Output is correct
38 Correct 15 ms 46416 KB Output is correct
39 Correct 15 ms 46584 KB Output is correct
40 Correct 17 ms 46416 KB Output is correct
41 Correct 15 ms 46416 KB Output is correct
42 Correct 12 ms 46160 KB Output is correct
43 Correct 10 ms 46292 KB Output is correct
44 Correct 10 ms 46160 KB Output is correct
45 Correct 18 ms 46584 KB Output is correct
46 Correct 17 ms 46416 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 45648 KB Output is correct
2 Correct 6 ms 45648 KB Output is correct
3 Correct 6 ms 45748 KB Output is correct
4 Correct 6 ms 45712 KB Output is correct
5 Correct 6 ms 45648 KB Output is correct
6 Correct 6 ms 45648 KB Output is correct
7 Correct 6 ms 45816 KB Output is correct
8 Correct 6 ms 45772 KB Output is correct
9 Correct 6 ms 45648 KB Output is correct
10 Correct 6 ms 45648 KB Output is correct
11 Correct 6 ms 45916 KB Output is correct
12 Correct 6 ms 45904 KB Output is correct
13 Correct 6 ms 45904 KB Output is correct
14 Correct 6 ms 45820 KB Output is correct
15 Correct 6 ms 45904 KB Output is correct
16 Correct 6 ms 45648 KB Output is correct
17 Correct 7 ms 46076 KB Output is correct
18 Correct 6 ms 45904 KB Output is correct
19 Correct 6 ms 45904 KB Output is correct
20 Correct 6 ms 45904 KB Output is correct
21 Correct 6 ms 45648 KB Output is correct
22 Correct 7 ms 45816 KB Output is correct
23 Correct 6 ms 45904 KB Output is correct
24 Correct 7 ms 45904 KB Output is correct
25 Correct 7 ms 45904 KB Output is correct
26 Correct 7 ms 45904 KB Output is correct
27 Correct 6 ms 45792 KB Output is correct
28 Correct 7 ms 45904 KB Output is correct
29 Correct 7 ms 45648 KB Output is correct
30 Correct 8 ms 45648 KB Output is correct
31 Correct 8 ms 45764 KB Output is correct
32 Correct 7 ms 45648 KB Output is correct
33 Correct 8 ms 45904 KB Output is correct
34 Correct 8 ms 45700 KB Output is correct
35 Correct 13 ms 46360 KB Output is correct
36 Correct 7 ms 45904 KB Output is correct
37 Correct 12 ms 46304 KB Output is correct
38 Correct 14 ms 46416 KB Output is correct
39 Correct 14 ms 46416 KB Output is correct
40 Correct 14 ms 46416 KB Output is correct
41 Correct 14 ms 46384 KB Output is correct
42 Correct 12 ms 46160 KB Output is correct
43 Correct 11 ms 46216 KB Output is correct
44 Correct 13 ms 46160 KB Output is correct
45 Correct 21 ms 46416 KB Output is correct
46 Correct 23 ms 46436 KB Output is correct
47 Correct 36 ms 46840 KB Output is correct
48 Correct 12 ms 46428 KB Output is correct
49 Correct 11 ms 46416 KB Output is correct
50 Correct 9 ms 46160 KB Output is correct
51 Correct 36 ms 46928 KB Output is correct
52 Correct 34 ms 46944 KB Output is correct
53 Correct 15 ms 46672 KB Output is correct
54 Correct 6 ms 45648 KB Output is correct
55 Correct 8 ms 45648 KB Output is correct
56 Correct 13 ms 46928 KB Output is correct
57 Correct 23 ms 45904 KB Output is correct
58 Correct 10 ms 46264 KB Output is correct
59 Correct 12 ms 46368 KB Output is correct
60 Correct 14 ms 46160 KB Output is correct
61 Correct 12 ms 46160 KB Output is correct
62 Correct 21 ms 46940 KB Output is correct
63 Correct 21 ms 46928 KB Output is correct
64 Correct 24 ms 47096 KB Output is correct
65 Correct 71 ms 46964 KB Output is correct
66 Correct 134 ms 47160 KB Output is correct
67 Correct 139 ms 47060 KB Output is correct