Submission #1109607

# Submission time Handle Problem Language Result Execution time Memory
1109607 2024-11-07T07:01:50 Z simona1230 Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
307 ms 262144 KB
#include <bits/stdc++.h>
#define endl '\n'
using namespace std;

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

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

long long n,m;
vector<edge> v[200001];
void read()
{
    cin>>n>>m;
    for(long long i=0;i<m;i++)
    {
        long long x,y;
        cin>>x>>y;
        for(long long j=x;j<n;j+=y)
        {
            //cout<<i<<" "<<j+m<<endl;
            v[i].push_back({j+m,(j-x)/y});
        }

        for(long long 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});
    }
}

long long d[200001];
priority_queue<edge> q;
void dijkstra()
{
    for(long long i=0;i<200000;i++)
        d[i]=1e18;

    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(long long 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]==1e18)d[1]=-1;
    cout<<d[1]<<endl;
    return 0;
}

Compilation message

skyscraper.cpp: In function 'void dijkstra()':
skyscraper.cpp:64:32: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |             for(long long i=0;i<v[e.x].size();i++)
      |                               ~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 3 ms 6480 KB Output is correct
2 Correct 3 ms 6480 KB Output is correct
3 Correct 3 ms 6536 KB Output is correct
4 Correct 3 ms 6480 KB Output is correct
5 Correct 3 ms 6480 KB Output is correct
6 Correct 3 ms 6480 KB Output is correct
7 Correct 3 ms 6480 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 6480 KB Output is correct
2 Correct 4 ms 6480 KB Output is correct
3 Correct 3 ms 6480 KB Output is correct
4 Correct 3 ms 6480 KB Output is correct
5 Correct 3 ms 6556 KB Output is correct
6 Correct 3 ms 6648 KB Output is correct
7 Correct 4 ms 6480 KB Output is correct
8 Correct 3 ms 6480 KB Output is correct
9 Correct 3 ms 6480 KB Output is correct
10 Correct 3 ms 6736 KB Output is correct
11 Correct 4 ms 6992 KB Output is correct
12 Correct 9 ms 10576 KB Output is correct
13 Correct 8 ms 10832 KB Output is correct
14 Correct 4 ms 6736 KB Output is correct
15 Correct 4 ms 6736 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 6480 KB Output is correct
2 Correct 3 ms 6480 KB Output is correct
3 Correct 3 ms 6480 KB Output is correct
4 Correct 3 ms 6480 KB Output is correct
5 Correct 3 ms 6480 KB Output is correct
6 Correct 4 ms 6480 KB Output is correct
7 Correct 4 ms 6480 KB Output is correct
8 Correct 3 ms 6480 KB Output is correct
9 Correct 3 ms 6480 KB Output is correct
10 Correct 3 ms 6736 KB Output is correct
11 Correct 5 ms 7004 KB Output is correct
12 Correct 9 ms 10576 KB Output is correct
13 Correct 8 ms 10832 KB Output is correct
14 Correct 4 ms 6736 KB Output is correct
15 Correct 4 ms 6736 KB Output is correct
16 Correct 4 ms 6668 KB Output is correct
17 Correct 6 ms 7248 KB Output is correct
18 Correct 4 ms 6736 KB Output is correct
19 Correct 4 ms 6904 KB Output is correct
20 Correct 87 ms 71000 KB Output is correct
21 Correct 4 ms 6736 KB Output is correct
22 Correct 4 ms 6736 KB Output is correct
23 Correct 4 ms 6736 KB Output is correct
24 Correct 5 ms 6992 KB Output is correct
25 Correct 7 ms 7248 KB Output is correct
26 Correct 86 ms 64584 KB Output is correct
27 Correct 78 ms 61256 KB Output is correct
28 Correct 5 ms 7248 KB Output is correct
29 Correct 7 ms 8272 KB Output is correct
30 Correct 4 ms 7248 KB Output is correct
31 Correct 4 ms 7504 KB Output is correct
32 Correct 5 ms 7248 KB Output is correct
33 Correct 8 ms 9808 KB Output is correct
34 Correct 11 ms 9808 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 6480 KB Output is correct
2 Correct 3 ms 6480 KB Output is correct
3 Correct 2 ms 6480 KB Output is correct
4 Correct 3 ms 6480 KB Output is correct
5 Correct 3 ms 6480 KB Output is correct
6 Correct 3 ms 6620 KB Output is correct
7 Correct 3 ms 6480 KB Output is correct
8 Correct 3 ms 6708 KB Output is correct
9 Correct 4 ms 6480 KB Output is correct
10 Correct 3 ms 6736 KB Output is correct
11 Correct 4 ms 6788 KB Output is correct
12 Correct 8 ms 10576 KB Output is correct
13 Correct 8 ms 10832 KB Output is correct
14 Correct 4 ms 6736 KB Output is correct
15 Correct 4 ms 6736 KB Output is correct
16 Correct 4 ms 6736 KB Output is correct
17 Correct 5 ms 7248 KB Output is correct
18 Correct 4 ms 6736 KB Output is correct
19 Correct 4 ms 6736 KB Output is correct
20 Correct 79 ms 70984 KB Output is correct
21 Correct 3 ms 6736 KB Output is correct
22 Correct 3 ms 6736 KB Output is correct
23 Correct 4 ms 6668 KB Output is correct
24 Correct 4 ms 6992 KB Output is correct
25 Correct 5 ms 6992 KB Output is correct
26 Correct 87 ms 64584 KB Output is correct
27 Correct 72 ms 61256 KB Output is correct
28 Correct 4 ms 7416 KB Output is correct
29 Correct 6 ms 8272 KB Output is correct
30 Correct 4 ms 7248 KB Output is correct
31 Correct 5 ms 7504 KB Output is correct
32 Correct 5 ms 7248 KB Output is correct
33 Correct 9 ms 9808 KB Output is correct
34 Correct 8 ms 9844 KB Output is correct
35 Correct 21 ms 11088 KB Output is correct
36 Correct 6 ms 7248 KB Output is correct
37 Correct 21 ms 13648 KB Output is correct
38 Correct 23 ms 13044 KB Output is correct
39 Correct 30 ms 13376 KB Output is correct
40 Correct 24 ms 12848 KB Output is correct
41 Correct 25 ms 12788 KB Output is correct
42 Runtime error 295 ms 262144 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 3 ms 6656 KB Output is correct
2 Correct 3 ms 6480 KB Output is correct
3 Correct 3 ms 6480 KB Output is correct
4 Correct 3 ms 6648 KB Output is correct
5 Correct 3 ms 6480 KB Output is correct
6 Correct 3 ms 6480 KB Output is correct
7 Correct 3 ms 6480 KB Output is correct
8 Correct 3 ms 6480 KB Output is correct
9 Correct 3 ms 6480 KB Output is correct
10 Correct 3 ms 6736 KB Output is correct
11 Correct 5 ms 6992 KB Output is correct
12 Correct 8 ms 10576 KB Output is correct
13 Correct 9 ms 10800 KB Output is correct
14 Correct 4 ms 6736 KB Output is correct
15 Correct 4 ms 6736 KB Output is correct
16 Correct 3 ms 6736 KB Output is correct
17 Correct 4 ms 7248 KB Output is correct
18 Correct 4 ms 6792 KB Output is correct
19 Correct 3 ms 6904 KB Output is correct
20 Correct 83 ms 70916 KB Output is correct
21 Correct 4 ms 6736 KB Output is correct
22 Correct 3 ms 6736 KB Output is correct
23 Correct 4 ms 6736 KB Output is correct
24 Correct 5 ms 6992 KB Output is correct
25 Correct 5 ms 6992 KB Output is correct
26 Correct 92 ms 64584 KB Output is correct
27 Correct 72 ms 61256 KB Output is correct
28 Correct 4 ms 7248 KB Output is correct
29 Correct 6 ms 8272 KB Output is correct
30 Correct 4 ms 7248 KB Output is correct
31 Correct 5 ms 7672 KB Output is correct
32 Correct 4 ms 7248 KB Output is correct
33 Correct 8 ms 9808 KB Output is correct
34 Correct 8 ms 9808 KB Output is correct
35 Correct 20 ms 11088 KB Output is correct
36 Correct 5 ms 7248 KB Output is correct
37 Correct 22 ms 13648 KB Output is correct
38 Correct 26 ms 12916 KB Output is correct
39 Correct 27 ms 13136 KB Output is correct
40 Correct 24 ms 12880 KB Output is correct
41 Correct 26 ms 12872 KB Output is correct
42 Runtime error 307 ms 262144 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -