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Submission #42128

# Submission time Handle Problem Language Result Execution time Memory
42128 2018-02-22T18:25:51 Z XmtosX Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 1000 ms 3140 KB 
#include <bits/stdc++.h>
using namespace std;
int n,p[30004],b[30004],m;
priority_queue <pair<int,int> ,vector <pair<int,int> >,greater <pair<int,int> > > pq;
bool vis[30004];
vector <int> v[30004];
int cur[30004];
void dij()
{
    for (int i=1;i<m;i++)
        cur[i]=INT_MAX;
    pq.push({0,0});
    while (!pq.empty())
    {
        int x= (pq.top()).second;
        int y= (pq.top()).first;
        pq.pop();
        if (vis[x])
            continue;
        vis[x]=true;
        for (int i=0;i*p[x]+b[x]<n;i++)
        {
            int a= (i*p[x]+b[x]);
            for (int j=0;j<v[a].size();j++)
            {
                if (cur[v[a][j]]>i+y)
                {
                    pq.push({i+y,v[a][j]});
                    cur[v[a][j]]=i+y;
                }
            }
        }
        for (int i=1;b[x]-i*p[x]>=0;i++)
        {
            int a= (b[x]-i*p[x]);
            for (int j=0;j<v[a].size();j++)
            {
                if (cur[v[a][j]]>i+y)
                {
                    pq.push({i+y,v[a][j]});
                    cur[v[a][j]]=i+y;
                }
            }
        }
    }
}
int main()
{
    cin >>n>>m;
    for (int i=0;i<m;i++)
    {
        cin >>b[i]>>p[i];
        v[b[i]].push_back(i);
    }
    dij();
    if (!vis[1])
        cout <<-1;
    else
        cout <<cur[1];
    return 0;
}

Compilation message

skyscraper.cpp: In function 'void dij()':
skyscraper.cpp:24:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int j=0;j<v[a].size();j++)
                           ^
skyscraper.cpp:36:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int j=0;j<v[a].size();j++)
                           ^

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 1016 KB Output is correct
3 Correct 2 ms 1048 KB Output is correct
4 Correct 2 ms 1232 KB Output is correct
5 Correct 2 ms 1232 KB Output is correct
6 Correct 2 ms 1232 KB Output is correct
7 Correct 2 ms 1232 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1232 KB Output is correct
2 Correct 2 ms 1244 KB Output is correct
3 Correct 2 ms 1244 KB Output is correct
4 Correct 2 ms 1260 KB Output is correct
5 Correct 2 ms 1260 KB Output is correct
6 Correct 2 ms 1260 KB Output is correct
7 Correct 2 ms 1260 KB Output is correct
8 Correct 2 ms 1260 KB Output is correct
9 Correct 2 ms 1260 KB Output is correct
10 Correct 3 ms 1264 KB Output is correct
11 Correct 4 ms 1388 KB Output is correct
12 Correct 10 ms 1388 KB Output is correct
13 Correct 11 ms 1388 KB Output is correct
14 Correct 4 ms 1388 KB Output is correct
15 Correct 4 ms 1392 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1392 KB Output is correct
2 Correct 2 ms 1392 KB Output is correct
3 Correct 2 ms 1392 KB Output is correct
4 Correct 2 ms 1392 KB Output is correct
5 Correct 2 ms 1392 KB Output is correct
6 Correct 2 ms 1392 KB Output is correct
7 Correct 2 ms 1392 KB Output is correct
8 Correct 2 ms 1392 KB Output is correct
9 Correct 2 ms 1392 KB Output is correct
10 Correct 2 ms 1392 KB Output is correct
11 Correct 4 ms 1392 KB Output is correct
12 Correct 12 ms 1476 KB Output is correct
13 Correct 9 ms 1476 KB Output is correct
14 Correct 4 ms 1476 KB Output is correct
15 Correct 4 ms 1476 KB Output is correct
16 Correct 2 ms 1476 KB Output is correct
17 Correct 4 ms 1476 KB Output is correct
18 Correct 2 ms 1476 KB Output is correct
19 Correct 2 ms 1476 KB Output is correct
20 Correct 24 ms 1476 KB Output is correct
21 Correct 2 ms 1476 KB Output is correct
22 Correct 2 ms 1476 KB Output is correct
23 Correct 3 ms 1476 KB Output is correct
24 Correct 6 ms 1476 KB Output is correct
25 Correct 4 ms 1476 KB Output is correct
26 Correct 28 ms 1476 KB Output is correct
27 Correct 19 ms 1476 KB Output is correct
28 Correct 3 ms 1476 KB Output is correct
29 Correct 3 ms 1476 KB Output is correct
30 Correct 2 ms 1476 KB Output is correct
31 Correct 3 ms 1476 KB Output is correct
32 Correct 3 ms 1476 KB Output is correct
33 Correct 6 ms 1476 KB Output is correct
34 Correct 5 ms 1476 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1476 KB Output is correct
2 Correct 2 ms 1476 KB Output is correct
3 Correct 2 ms 1476 KB Output is correct
4 Correct 2 ms 1476 KB Output is correct
5 Correct 2 ms 1476 KB Output is correct
6 Correct 2 ms 1476 KB Output is correct
7 Correct 2 ms 1476 KB Output is correct
8 Correct 2 ms 1476 KB Output is correct
9 Correct 2 ms 1476 KB Output is correct
10 Correct 2 ms 1476 KB Output is correct
11 Correct 4 ms 1476 KB Output is correct
12 Correct 8 ms 1476 KB Output is correct
13 Correct 9 ms 1476 KB Output is correct
14 Correct 4 ms 1476 KB Output is correct
15 Correct 4 ms 1476 KB Output is correct
16 Correct 2 ms 1476 KB Output is correct
17 Correct 4 ms 1476 KB Output is correct
18 Correct 2 ms 1476 KB Output is correct
19 Correct 2 ms 1476 KB Output is correct
20 Correct 24 ms 1476 KB Output is correct
21 Correct 3 ms 1476 KB Output is correct
22 Correct 3 ms 1476 KB Output is correct
23 Correct 3 ms 1476 KB Output is correct
24 Correct 4 ms 1476 KB Output is correct
25 Correct 4 ms 1476 KB Output is correct
26 Correct 20 ms 1476 KB Output is correct
27 Correct 22 ms 1476 KB Output is correct
28 Correct 3 ms 1476 KB Output is correct
29 Correct 3 ms 1476 KB Output is correct
30 Correct 2 ms 1476 KB Output is correct
31 Correct 2 ms 1476 KB Output is correct
32 Correct 2 ms 1476 KB Output is correct
33 Correct 4 ms 1476 KB Output is correct
34 Correct 6 ms 1476 KB Output is correct
35 Correct 53 ms 2412 KB Output is correct
36 Correct 8 ms 2412 KB Output is correct
37 Correct 36 ms 2412 KB Output is correct
38 Correct 55 ms 3048 KB Output is correct
39 Correct 79 ms 3048 KB Output is correct
40 Correct 55 ms 3048 KB Output is correct
41 Correct 54 ms 3048 KB Output is correct
42 Execution timed out 1068 ms 3048 KB Time limit exceeded
43 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3048 KB Output is correct
2 Correct 2 ms 3048 KB Output is correct
3 Correct 2 ms 3048 KB Output is correct
4 Correct 3 ms 3048 KB Output is correct
5 Correct 2 ms 3048 KB Output is correct
6 Correct 2 ms 3048 KB Output is correct
7 Correct 2 ms 3048 KB Output is correct
8 Correct 2 ms 3048 KB Output is correct
9 Correct 2 ms 3048 KB Output is correct
10 Correct 2 ms 3048 KB Output is correct
11 Correct 4 ms 3048 KB Output is correct
12 Correct 9 ms 3048 KB Output is correct
13 Correct 10 ms 3048 KB Output is correct
14 Correct 4 ms 3048 KB Output is correct
15 Correct 4 ms 3048 KB Output is correct
16 Correct 2 ms 3048 KB Output is correct
17 Correct 4 ms 3048 KB Output is correct
18 Correct 3 ms 3048 KB Output is correct
19 Correct 2 ms 3048 KB Output is correct
20 Correct 25 ms 3048 KB Output is correct
21 Correct 3 ms 3048 KB Output is correct
22 Correct 2 ms 3048 KB Output is correct
23 Correct 3 ms 3048 KB Output is correct
24 Correct 4 ms 3048 KB Output is correct
25 Correct 4 ms 3048 KB Output is correct
26 Correct 20 ms 3048 KB Output is correct
27 Correct 21 ms 3048 KB Output is correct
28 Correct 3 ms 3048 KB Output is correct
29 Correct 3 ms 3048 KB Output is correct
30 Correct 2 ms 3048 KB Output is correct
31 Correct 3 ms 3048 KB Output is correct
32 Correct 3 ms 3048 KB Output is correct
33 Correct 5 ms 3048 KB Output is correct
34 Correct 5 ms 3048 KB Output is correct
35 Correct 40 ms 3048 KB Output is correct
36 Correct 8 ms 3048 KB Output is correct
37 Correct 41 ms 3048 KB Output is correct
38 Correct 84 ms 3140 KB Output is correct
39 Correct 68 ms 3140 KB Output is correct
40 Correct 55 ms 3140 KB Output is correct
41 Correct 58 ms 3140 KB Output is correct
42 Execution timed out 1053 ms 3140 KB Time limit exceeded
43 Halted 0 ms 0 KB -