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Submission #1109596

# Submission time Handle Problem Language Result Execution time Memory
1109596 2024-11-07T06:47:40 Z simona1230 Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 423 ms 262144 KB 
#include <bits/stdc++.h>
#define endl '\n'
using namespace std;

struct edge
{
    int x,d;
    edge(){}
    edge(int _x,int _d)
    {
        x=_x;
        d=_d;
    }

    bool operator<(const edge&e)const
    {
        return e.d<d;
    }
};

int n,m;
vector<edge> v[50001];
void read()
{
    cin>>n>>m;
    for(int i=0;i<m;i++)
    {
        int x,y;
        cin>>x>>y;
        for(int j=x;j<n;j+=y)
        {
            //cout<<i<<" "<<j+m<<endl;
            v[i].push_back({j+m,(j-x)/y});
        }

        for(int j=x-y;j>=0;j-=y)
        {
            //cout<<i<<" "<<j+m<<endl;
            v[i].push_back({j+m,(x-j)/y});
        }

        //cout<<x+m<<" "<<i<<endl;
        v[x+m].push_back({i,0});
    }
}

int d[50001];
priority_queue<edge> q;
void dijkstra()
{
    for(int i=0;i<n+m;i++)
        d[i]=1e9;

    d[0]=0;
    q.push({0,0});
    while(q.size())
    {
        edge e=q.top();
        //cout<<e.x<<endl;
        q.pop();

        if(d[e.x]>=e.d)
        {
            for(int i=0;i<v[e.x].size();i++)
            {
                edge nb=v[e.x][i];
                if(nb.d+e.d<d[nb.x])
                {
                    d[nb.x]=nb.d+e.d;
                    q.push({nb.x,d[nb.x]});
                }
            }
        }
    }
}

int main()
{
    read();
    dijkstra();
    if(d[1]==1e9)d[1]=-1;
    cout<<d[1]<<endl;
    return 0;
}

Compilation message

skyscraper.cpp: In function 'void dijkstra()':
skyscraper.cpp:64:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |             for(int i=0;i<v[e.x].size();i++)
      |                         ~^~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1616 KB Output is correct
2 Correct 2 ms 1616 KB Output is correct
3 Correct 2 ms 1616 KB Output is correct
4 Correct 2 ms 1616 KB Output is correct
5 Correct 2 ms 1388 KB Output is correct
6 Correct 1 ms 1616 KB Output is correct
7 Correct 2 ms 1616 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1784 KB Output is correct
2 Correct 1 ms 1616 KB Output is correct
3 Correct 1 ms 1616 KB Output is correct
4 Correct 2 ms 1788 KB Output is correct
5 Correct 2 ms 1616 KB Output is correct
6 Correct 2 ms 1784 KB Output is correct
7 Correct 2 ms 1616 KB Output is correct
8 Correct 2 ms 1616 KB Output is correct
9 Correct 2 ms 1616 KB Output is correct
10 Correct 2 ms 1616 KB Output is correct
11 Correct 3 ms 1784 KB Output is correct
12 Correct 5 ms 3532 KB Output is correct
13 Correct 5 ms 3664 KB Output is correct
14 Correct 3 ms 1788 KB Output is correct
15 Correct 2 ms 1616 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1616 KB Output is correct
2 Correct 1 ms 1616 KB Output is correct
3 Correct 2 ms 1616 KB Output is correct
4 Correct 1 ms 1616 KB Output is correct
5 Correct 2 ms 1616 KB Output is correct
6 Correct 1 ms 1360 KB Output is correct
7 Correct 2 ms 1616 KB Output is correct
8 Correct 2 ms 1616 KB Output is correct
9 Correct 2 ms 1616 KB Output is correct
10 Correct 2 ms 1616 KB Output is correct
11 Correct 2 ms 1616 KB Output is correct
12 Correct 5 ms 3664 KB Output is correct
13 Correct 5 ms 3612 KB Output is correct
14 Correct 2 ms 1784 KB Output is correct
15 Correct 2 ms 1616 KB Output is correct
16 Correct 2 ms 1616 KB Output is correct
17 Correct 3 ms 1872 KB Output is correct
18 Correct 2 ms 1616 KB Output is correct
19 Correct 2 ms 1616 KB Output is correct
20 Correct 56 ms 33708 KB Output is correct
21 Correct 3 ms 1616 KB Output is correct
22 Correct 2 ms 1616 KB Output is correct
23 Correct 3 ms 1616 KB Output is correct
24 Correct 3 ms 1872 KB Output is correct
25 Correct 3 ms 1616 KB Output is correct
26 Correct 59 ms 30492 KB Output is correct
27 Correct 53 ms 28736 KB Output is correct
28 Correct 3 ms 1872 KB Output is correct
29 Correct 4 ms 2384 KB Output is correct
30 Correct 3 ms 2040 KB Output is correct
31 Correct 3 ms 1872 KB Output is correct
32 Correct 3 ms 1872 KB Output is correct
33 Correct 5 ms 3212 KB Output is correct
34 Correct 6 ms 3164 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1616 KB Output is correct
2 Correct 2 ms 1508 KB Output is correct
3 Correct 2 ms 1784 KB Output is correct
4 Correct 2 ms 1616 KB Output is correct
5 Correct 2 ms 1616 KB Output is correct
6 Correct 2 ms 1616 KB Output is correct
7 Correct 1 ms 1616 KB Output is correct
8 Correct 2 ms 1616 KB Output is correct
9 Correct 2 ms 1616 KB Output is correct
10 Correct 2 ms 1784 KB Output is correct
11 Correct 3 ms 1616 KB Output is correct
12 Correct 5 ms 3664 KB Output is correct
13 Correct 5 ms 3664 KB Output is correct
14 Correct 3 ms 1616 KB Output is correct
15 Correct 3 ms 1616 KB Output is correct
16 Correct 2 ms 1616 KB Output is correct
17 Correct 3 ms 1872 KB Output is correct
18 Correct 2 ms 1612 KB Output is correct
19 Correct 2 ms 1616 KB Output is correct
20 Correct 58 ms 33812 KB Output is correct
21 Correct 2 ms 1616 KB Output is correct
22 Correct 2 ms 1628 KB Output is correct
23 Correct 2 ms 1784 KB Output is correct
24 Correct 3 ms 1872 KB Output is correct
25 Correct 3 ms 1616 KB Output is correct
26 Correct 60 ms 30544 KB Output is correct
27 Correct 56 ms 28932 KB Output is correct
28 Correct 3 ms 1872 KB Output is correct
29 Correct 4 ms 2464 KB Output is correct
30 Correct 2 ms 1872 KB Output is correct
31 Correct 3 ms 1872 KB Output is correct
32 Correct 3 ms 1872 KB Output is correct
33 Correct 5 ms 3252 KB Output is correct
34 Correct 7 ms 3320 KB Output is correct
35 Correct 17 ms 4188 KB Output is correct
36 Correct 4 ms 1872 KB Output is correct
37 Correct 17 ms 5200 KB Output is correct
38 Correct 21 ms 4944 KB Output is correct
39 Correct 19 ms 5200 KB Output is correct
40 Correct 21 ms 5200 KB Output is correct
41 Correct 19 ms 4944 KB Output is correct
42 Runtime error 423 ms 262144 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1616 KB Output is correct
2 Correct 2 ms 1616 KB Output is correct
3 Correct 2 ms 1616 KB Output is correct
4 Correct 1 ms 1784 KB Output is correct
5 Correct 2 ms 1616 KB Output is correct
6 Correct 2 ms 1616 KB Output is correct
7 Correct 2 ms 1616 KB Output is correct
8 Correct 2 ms 1784 KB Output is correct
9 Correct 2 ms 1616 KB Output is correct
10 Correct 2 ms 1616 KB Output is correct
11 Correct 2 ms 1616 KB Output is correct
12 Correct 6 ms 3664 KB Output is correct
13 Correct 5 ms 3664 KB Output is correct
14 Correct 3 ms 1616 KB Output is correct
15 Correct 2 ms 1616 KB Output is correct
16 Correct 2 ms 1616 KB Output is correct
17 Correct 3 ms 1872 KB Output is correct
18 Correct 3 ms 1628 KB Output is correct
19 Correct 2 ms 1616 KB Output is correct
20 Correct 59 ms 33692 KB Output is correct
21 Correct 3 ms 1780 KB Output is correct
22 Correct 2 ms 1616 KB Output is correct
23 Correct 2 ms 1620 KB Output is correct
24 Correct 3 ms 1616 KB Output is correct
25 Correct 3 ms 1616 KB Output is correct
26 Correct 60 ms 30524 KB Output is correct
27 Correct 59 ms 28744 KB Output is correct
28 Correct 4 ms 1872 KB Output is correct
29 Correct 4 ms 2384 KB Output is correct
30 Correct 2 ms 1872 KB Output is correct
31 Correct 3 ms 1872 KB Output is correct
32 Correct 3 ms 1872 KB Output is correct
33 Correct 5 ms 3152 KB Output is correct
34 Correct 5 ms 3168 KB Output is correct
35 Correct 15 ms 4176 KB Output is correct
36 Correct 5 ms 1872 KB Output is correct
37 Correct 15 ms 5200 KB Output is correct
38 Correct 21 ms 5040 KB Output is correct
39 Correct 23 ms 5200 KB Output is correct
40 Correct 21 ms 5200 KB Output is correct
41 Correct 20 ms 4944 KB Output is correct
42 Runtime error 412 ms 262144 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -