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Submission #847144

# Submission time Handle Problem Language Result Execution time Memory
847144 2023-09-09T08:34:42 Z danglayloi1 Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 398 ms 23768 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define inf 0x3f3f3f3f
using namespace std;
using ll = long long;
const int nx=3e4+5;
const int sq=175;
int n, m, d[nx][sq], b[nx], p[nx], ans=inf;
vector<int> city[nx];
struct dak
{
    int i, w, p;
    bool operator <(const dak &o)
    const
    {
        return w>o.w;
    }
};
priority_queue<dak> f;
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];
        city[b[i]].emplace_back(i);
    }
    memset(d, 0x3f, sizeof(d));
    d[b[0]][0]=0;
    f.push({b[0], 0, 0});
    while(f.size())
    {
        dak v=f.top();
        f.pop();
        int u=v.i, w=v.w, pw=v.p;
        if(u==b[1])
            ans=min(ans, w);
        if(w!=d[u][pw])
            continue;
        if(!pw)
        {
            for(int i:city[u])
            {
                if(p[i]<sq)
                {
                    if(d[u][p[i]]>w)
                    {
                        d[u][p[i]]=w;
                        f.push({u, w, p[i]});
                    }
                }
                else
                {
                    for(int j = u%p[i]; j < n; j+=p[i])
                    {
                        if(d[j][0]>w+abs(u-j)/p[i])
                        {
                            d[j][0]=w+abs(u-j)/p[i];
                            f.push({j, d[j][0], 0});
                        }
                    }
                }
            }
        }
        else
        {
            if(u+pw<n && d[u+pw][pw]>w+1)
            {
                d[u+pw][pw]=w+1;
                f.push({u+pw, w+1, pw});
            }
            if(u-pw>=0 && d[u-pw][pw]>w+1)
            {
                d[u-pw][pw]=w+1;
                f.push({u-pw, w+1, pw});
            }
            if(d[u][0]>w)
            {
                d[u][0]=w;
                f.push({u, w, 0});
            }
        }
    }
    if(ans==inf)
        ans=-1;
    cout<<ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 21848 KB Output is correct
2 Correct 4 ms 21848 KB Output is correct
3 Correct 3 ms 21848 KB Output is correct
4 Correct 3 ms 21848 KB Output is correct
5 Correct 3 ms 21848 KB Output is correct
6 Correct 3 ms 21848 KB Output is correct
7 Correct 3 ms 22048 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 21848 KB Output is correct
2 Correct 3 ms 21848 KB Output is correct
3 Correct 3 ms 21848 KB Output is correct
4 Correct 3 ms 21848 KB Output is correct
5 Correct 3 ms 21848 KB Output is correct
6 Correct 3 ms 21848 KB Output is correct
7 Correct 4 ms 21852 KB Output is correct
8 Correct 4 ms 21848 KB Output is correct
9 Correct 3 ms 21848 KB Output is correct
10 Correct 3 ms 21848 KB Output is correct
11 Correct 3 ms 21852 KB Output is correct
12 Correct 3 ms 21852 KB Output is correct
13 Correct 4 ms 21848 KB Output is correct
14 Correct 4 ms 21848 KB Output is correct
15 Correct 4 ms 21852 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 21848 KB Output is correct
2 Correct 3 ms 21852 KB Output is correct
3 Correct 3 ms 21848 KB Output is correct
4 Correct 3 ms 21848 KB Output is correct
5 Correct 3 ms 21848 KB Output is correct
6 Correct 3 ms 21848 KB Output is correct
7 Correct 3 ms 21848 KB Output is correct
8 Correct 3 ms 21852 KB Output is correct
9 Correct 3 ms 21848 KB Output is correct
10 Correct 3 ms 21848 KB Output is correct
11 Correct 3 ms 21848 KB Output is correct
12 Correct 3 ms 21848 KB Output is correct
13 Correct 4 ms 21848 KB Output is correct
14 Correct 4 ms 21848 KB Output is correct
15 Correct 3 ms 21852 KB Output is correct
16 Correct 3 ms 21848 KB Output is correct
17 Correct 5 ms 21848 KB Output is correct
18 Correct 3 ms 21848 KB Output is correct
19 Correct 3 ms 21848 KB Output is correct
20 Correct 4 ms 21848 KB Output is correct
21 Correct 4 ms 21848 KB Output is correct
22 Correct 3 ms 21848 KB Output is correct
23 Correct 4 ms 21848 KB Output is correct
24 Correct 4 ms 21852 KB Output is correct
25 Correct 4 ms 21848 KB Output is correct
26 Correct 4 ms 21848 KB Output is correct
27 Correct 4 ms 21848 KB Output is correct
28 Correct 5 ms 21848 KB Output is correct
29 Correct 6 ms 21848 KB Output is correct
30 Correct 4 ms 21848 KB Output is correct
31 Correct 5 ms 21852 KB Output is correct
32 Correct 5 ms 21848 KB Output is correct
33 Correct 10 ms 21848 KB Output is correct
34 Correct 10 ms 22008 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 21848 KB Output is correct
2 Correct 3 ms 21848 KB Output is correct
3 Correct 3 ms 21848 KB Output is correct
4 Correct 3 ms 21852 KB Output is correct
5 Correct 3 ms 21852 KB Output is correct
6 Correct 3 ms 21848 KB Output is correct
7 Correct 4 ms 21848 KB Output is correct
8 Correct 3 ms 21852 KB Output is correct
9 Correct 3 ms 21848 KB Output is correct
10 Correct 3 ms 21848 KB Output is correct
11 Correct 4 ms 21848 KB Output is correct
12 Correct 3 ms 21848 KB Output is correct
13 Correct 3 ms 21848 KB Output is correct
14 Correct 4 ms 21848 KB Output is correct
15 Correct 4 ms 21848 KB Output is correct
16 Correct 4 ms 21848 KB Output is correct
17 Correct 5 ms 21848 KB Output is correct
18 Correct 4 ms 21852 KB Output is correct
19 Correct 3 ms 21848 KB Output is correct
20 Correct 3 ms 21848 KB Output is correct
21 Correct 3 ms 21848 KB Output is correct
22 Correct 3 ms 21852 KB Output is correct
23 Correct 4 ms 21852 KB Output is correct
24 Correct 5 ms 21848 KB Output is correct
25 Correct 4 ms 21848 KB Output is correct
26 Correct 4 ms 21852 KB Output is correct
27 Correct 3 ms 21848 KB Output is correct
28 Correct 4 ms 21852 KB Output is correct
29 Correct 6 ms 21848 KB Output is correct
30 Correct 5 ms 21848 KB Output is correct
31 Correct 5 ms 21852 KB Output is correct
32 Correct 5 ms 21848 KB Output is correct
33 Correct 10 ms 21848 KB Output is correct
34 Correct 10 ms 21848 KB Output is correct
35 Correct 11 ms 22104 KB Output is correct
36 Correct 5 ms 21852 KB Output is correct
37 Correct 14 ms 22104 KB Output is correct
38 Correct 14 ms 22104 KB Output is correct
39 Correct 14 ms 22104 KB Output is correct
40 Correct 15 ms 22104 KB Output is correct
41 Correct 16 ms 22104 KB Output is correct
42 Correct 7 ms 22108 KB Output is correct
43 Correct 6 ms 22104 KB Output is correct
44 Correct 6 ms 22104 KB Output is correct
45 Correct 29 ms 22552 KB Output is correct
46 Correct 29 ms 22552 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 21848 KB Output is correct
2 Correct 3 ms 21852 KB Output is correct
3 Correct 3 ms 21848 KB Output is correct
4 Correct 3 ms 21848 KB Output is correct
5 Correct 3 ms 21848 KB Output is correct
6 Correct 3 ms 21848 KB Output is correct
7 Correct 3 ms 21848 KB Output is correct
8 Correct 3 ms 22104 KB Output is correct
9 Correct 4 ms 21848 KB Output is correct
10 Correct 4 ms 22104 KB Output is correct
11 Correct 3 ms 21852 KB Output is correct
12 Correct 4 ms 21852 KB Output is correct
13 Correct 3 ms 21848 KB Output is correct
14 Correct 4 ms 21848 KB Output is correct
15 Correct 4 ms 21852 KB Output is correct
16 Correct 3 ms 21852 KB Output is correct
17 Correct 4 ms 21848 KB Output is correct
18 Correct 3 ms 21848 KB Output is correct
19 Correct 3 ms 21848 KB Output is correct
20 Correct 4 ms 21848 KB Output is correct
21 Correct 3 ms 21848 KB Output is correct
22 Correct 3 ms 21848 KB Output is correct
23 Correct 4 ms 21852 KB Output is correct
24 Correct 4 ms 21848 KB Output is correct
25 Correct 4 ms 21848 KB Output is correct
26 Correct 4 ms 21848 KB Output is correct
27 Correct 3 ms 21852 KB Output is correct
28 Correct 4 ms 21848 KB Output is correct
29 Correct 6 ms 21848 KB Output is correct
30 Correct 4 ms 21848 KB Output is correct
31 Correct 5 ms 21848 KB Output is correct
32 Correct 5 ms 21852 KB Output is correct
33 Correct 10 ms 21848 KB Output is correct
34 Correct 13 ms 22360 KB Output is correct
35 Correct 11 ms 22104 KB Output is correct
36 Correct 5 ms 21848 KB Output is correct
37 Correct 15 ms 22104 KB Output is correct
38 Correct 14 ms 22104 KB Output is correct
39 Correct 14 ms 22104 KB Output is correct
40 Correct 14 ms 22104 KB Output is correct
41 Correct 14 ms 22108 KB Output is correct
42 Correct 6 ms 22104 KB Output is correct
43 Correct 6 ms 22104 KB Output is correct
44 Correct 7 ms 22104 KB Output is correct
45 Correct 29 ms 22552 KB Output is correct
46 Correct 30 ms 22552 KB Output is correct
47 Correct 41 ms 22808 KB Output is correct
48 Correct 8 ms 22360 KB Output is correct
49 Correct 7 ms 22364 KB Output is correct
50 Correct 5 ms 22104 KB Output is correct
51 Correct 25 ms 23068 KB Output is correct
52 Correct 28 ms 23064 KB Output is correct
53 Correct 12 ms 22364 KB Output is correct
54 Correct 4 ms 21848 KB Output is correct
55 Correct 3 ms 21848 KB Output is correct
56 Correct 11 ms 23128 KB Output is correct
57 Correct 39 ms 21852 KB Output is correct
58 Correct 8 ms 22104 KB Output is correct
59 Correct 10 ms 22108 KB Output is correct
60 Correct 11 ms 22308 KB Output is correct
61 Correct 8 ms 22108 KB Output is correct
62 Correct 25 ms 22876 KB Output is correct
63 Correct 28 ms 23764 KB Output is correct
64 Correct 31 ms 23764 KB Output is correct
65 Correct 125 ms 23768 KB Output is correct
66 Correct 398 ms 23760 KB Output is correct
67 Correct 390 ms 23764 KB Output is correct