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Submission #42142

# Submission time Handle Problem Language Result Execution time Memory
42142 2018-02-22T19:04:42 Z XmtosX Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 2924 KB 
#include <bits/stdc++.h>
using namespace std;
short int n,p[30004],b[30004],m;
priority_queue <pair<short int,short int> ,vector <pair<short int,short int> >,greater <pair<short int,short int> > > pq;
bool vis[30004];
vector <int> v[30004];
short int cur[30004];
void dij()
{
    for (int i=0;i<n;i++)
        cur[i]=32000;
    cur[b[0]]=0;
    pq.push({0,b[0]});
    while (!pq.empty())
    {
        int x= (pq.top()).second;
        int y= (pq.top()).first;
        pq.pop();
        if (vis[x])
            continue;
        vis[x]=true;
        if (x==b[1])
            return;
        for (short int i=0;i<v[x].size();i++)
        {
            for (int j=1;j*v[x][i]+x<n||(x-j*v[x][i])>=0;j++)
            {
                int a= (j*v[x][i]+x);
                if (a<n)
                {
                    if (!vis[a]&&cur[a]>y+j)
                    {
                        cur[a]=y+j;
                        pq.push({cur[a],a});
                    }
                }
                a= (x-j*v[x][i]);
                if (a>=0)
                {
                    if (!vis[a]&&cur[a]>y+j)
                    {
                        cur[a]=y+j;
                        pq.push({cur[a],a});
                    }
                }
            }
        }
    }
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >>n>>m;
    for (int i=0;i<m;i++)
    {
        cin >>b[i]>>p[i];
        v[b[i]].push_back(p[i]);
    }
    dij();
    if (!vis[b[1]])
        cout <<-1;
    else
        cout <<cur[b[1]];
    return 0;
}

Compilation message

skyscraper.cpp: In function 'void dij()':
skyscraper.cpp:24:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (short int i=0;i<v[x].size();i++)
                             ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1016 KB Output is correct
2 Correct 2 ms 1124 KB Output is correct
3 Correct 2 ms 1176 KB Output is correct
4 Correct 2 ms 1248 KB Output is correct
5 Correct 2 ms 1248 KB Output is correct
6 Correct 2 ms 1248 KB Output is correct
7 Correct 2 ms 1340 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1340 KB Output is correct
2 Correct 2 ms 1344 KB Output is correct
3 Correct 2 ms 1344 KB Output is correct
4 Correct 2 ms 1344 KB Output is correct
5 Correct 2 ms 1344 KB Output is correct
6 Correct 2 ms 1344 KB Output is correct
7 Correct 2 ms 1344 KB Output is correct
8 Correct 2 ms 1344 KB Output is correct
9 Correct 2 ms 1344 KB Output is correct
10 Correct 2 ms 1344 KB Output is correct
11 Correct 2 ms 1344 KB Output is correct
12 Correct 2 ms 1344 KB Output is correct
13 Correct 3 ms 1344 KB Output is correct
14 Correct 2 ms 1344 KB Output is correct
15 Correct 2 ms 1344 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1344 KB Output is correct
2 Correct 2 ms 1344 KB Output is correct
3 Correct 2 ms 1344 KB Output is correct
4 Correct 2 ms 1344 KB Output is correct
5 Correct 2 ms 1344 KB Output is correct
6 Correct 2 ms 1344 KB Output is correct
7 Correct 2 ms 1344 KB Output is correct
8 Correct 2 ms 1344 KB Output is correct
9 Correct 2 ms 1344 KB Output is correct
10 Correct 2 ms 1344 KB Output is correct
11 Correct 3 ms 1344 KB Output is correct
12 Correct 2 ms 1344 KB Output is correct
13 Correct 3 ms 1344 KB Output is correct
14 Correct 2 ms 1344 KB Output is correct
15 Correct 3 ms 1344 KB Output is correct
16 Correct 3 ms 1344 KB Output is correct
17 Correct 5 ms 1400 KB Output is correct
18 Correct 3 ms 1400 KB Output is correct
19 Correct 2 ms 1400 KB Output is correct
20 Correct 10 ms 1400 KB Output is correct
21 Correct 2 ms 1400 KB Output is correct
22 Correct 2 ms 1400 KB Output is correct
23 Correct 2 ms 1400 KB Output is correct
24 Correct 3 ms 1400 KB Output is correct
25 Correct 2 ms 1400 KB Output is correct
26 Correct 3 ms 1400 KB Output is correct
27 Correct 3 ms 1400 KB Output is correct
28 Correct 3 ms 1400 KB Output is correct
29 Correct 4 ms 1400 KB Output is correct
30 Correct 3 ms 1400 KB Output is correct
31 Correct 3 ms 1400 KB Output is correct
32 Correct 3 ms 1400 KB Output is correct
33 Correct 6 ms 1400 KB Output is correct
34 Correct 4 ms 1400 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1400 KB Output is correct
2 Correct 3 ms 1400 KB Output is correct
3 Correct 3 ms 1400 KB Output is correct
4 Correct 2 ms 1400 KB Output is correct
5 Correct 2 ms 1400 KB Output is correct
6 Correct 2 ms 1400 KB Output is correct
7 Correct 2 ms 1400 KB Output is correct
8 Correct 2 ms 1400 KB Output is correct
9 Correct 2 ms 1400 KB Output is correct
10 Correct 2 ms 1400 KB Output is correct
11 Correct 2 ms 1400 KB Output is correct
12 Correct 2 ms 1400 KB Output is correct
13 Correct 2 ms 1400 KB Output is correct
14 Correct 3 ms 1400 KB Output is correct
15 Correct 2 ms 1400 KB Output is correct
16 Correct 2 ms 1400 KB Output is correct
17 Correct 2 ms 1400 KB Output is correct
18 Correct 2 ms 1400 KB Output is correct
19 Correct 3 ms 1400 KB Output is correct
20 Correct 9 ms 1400 KB Output is correct
21 Correct 2 ms 1400 KB Output is correct
22 Correct 2 ms 1400 KB Output is correct
23 Correct 2 ms 1400 KB Output is correct
24 Correct 3 ms 1400 KB Output is correct
25 Correct 2 ms 1400 KB Output is correct
26 Correct 2 ms 1400 KB Output is correct
27 Correct 2 ms 1400 KB Output is correct
28 Correct 3 ms 1400 KB Output is correct
29 Correct 4 ms 1400 KB Output is correct
30 Correct 3 ms 1400 KB Output is correct
31 Correct 3 ms 1400 KB Output is correct
32 Correct 3 ms 1400 KB Output is correct
33 Correct 4 ms 1400 KB Output is correct
34 Correct 4 ms 1400 KB Output is correct
35 Correct 9 ms 1644 KB Output is correct
36 Correct 3 ms 1644 KB Output is correct
37 Correct 7 ms 1648 KB Output is correct
38 Correct 9 ms 1740 KB Output is correct
39 Correct 9 ms 1740 KB Output is correct
40 Correct 9 ms 1740 KB Output is correct
41 Correct 9 ms 1740 KB Output is correct
42 Correct 7 ms 1740 KB Output is correct
43 Correct 11 ms 1740 KB Output is correct
44 Correct 102 ms 1740 KB Output is correct
45 Correct 10 ms 1740 KB Output is correct
46 Correct 10 ms 1740 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1740 KB Output is correct
2 Correct 2 ms 1740 KB Output is correct
3 Correct 2 ms 1740 KB Output is correct
4 Correct 2 ms 1740 KB Output is correct
5 Correct 2 ms 1740 KB Output is correct
6 Correct 2 ms 1740 KB Output is correct
7 Correct 2 ms 1740 KB Output is correct
8 Correct 2 ms 1740 KB Output is correct
9 Correct 3 ms 1740 KB Output is correct
10 Correct 2 ms 1740 KB Output is correct
11 Correct 2 ms 1740 KB Output is correct
12 Correct 2 ms 1740 KB Output is correct
13 Correct 3 ms 1740 KB Output is correct
14 Correct 2 ms 1740 KB Output is correct
15 Correct 2 ms 1740 KB Output is correct
16 Correct 2 ms 1740 KB Output is correct
17 Correct 2 ms 1740 KB Output is correct
18 Correct 2 ms 1740 KB Output is correct
19 Correct 2 ms 1740 KB Output is correct
20 Correct 9 ms 1740 KB Output is correct
21 Correct 3 ms 1740 KB Output is correct
22 Correct 2 ms 1740 KB Output is correct
23 Correct 2 ms 1740 KB Output is correct
24 Correct 4 ms 1740 KB Output is correct
25 Correct 4 ms 1740 KB Output is correct
26 Correct 2 ms 1740 KB Output is correct
27 Correct 2 ms 1740 KB Output is correct
28 Correct 3 ms 1740 KB Output is correct
29 Correct 5 ms 1740 KB Output is correct
30 Correct 3 ms 1740 KB Output is correct
31 Correct 3 ms 1740 KB Output is correct
32 Correct 3 ms 1740 KB Output is correct
33 Correct 5 ms 1740 KB Output is correct
34 Correct 5 ms 1740 KB Output is correct
35 Correct 9 ms 1740 KB Output is correct
36 Correct 3 ms 1740 KB Output is correct
37 Correct 8 ms 1740 KB Output is correct
38 Correct 10 ms 1740 KB Output is correct
39 Correct 9 ms 1740 KB Output is correct
40 Correct 9 ms 1740 KB Output is correct
41 Correct 10 ms 1740 KB Output is correct
42 Correct 7 ms 1740 KB Output is correct
43 Correct 8 ms 1740 KB Output is correct
44 Correct 102 ms 1740 KB Output is correct
45 Correct 10 ms 1740 KB Output is correct
46 Correct 9 ms 1740 KB Output is correct
47 Correct 14 ms 2156 KB Output is correct
48 Correct 10 ms 2156 KB Output is correct
49 Correct 8 ms 2156 KB Output is correct
50 Correct 6 ms 2156 KB Output is correct
51 Correct 20 ms 2668 KB Output is correct
52 Correct 28 ms 2668 KB Output is correct
53 Correct 12 ms 2668 KB Output is correct
54 Correct 4 ms 2668 KB Output is correct
55 Correct 4 ms 2668 KB Output is correct
56 Execution timed out 1071 ms 2924 KB Time limit exceeded
57 Halted 0 ms 0 KB -