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Submission #725073

# Submission time Handle Problem Language Result Execution time Memory
725073 2023-04-16T18:25:58 Z tigar Jakarta Skyscrapers (APIO15_skyscraper) C++14
22 / 100
 1000 ms 262144 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
ll b[50030], p[50030];
vector<ll>srapers[50030];
vector<pair<ll, ll> >graff[50030];
ll dist[50030];
bool check1[50030];
ll INF=LONG_LONG_MAX;

void dijkstra(ll cvor)
{
    for(int i=0; i<50030; i++){check1[i]=false; dist[i]=INF;}
    priority_queue<pair<ll, ll> >ord;
    dist[cvor]=0;
    ord.push({0, cvor});
    while(!ord.empty())
    {
        int cv=ord.top().second;
        ord.pop();
        if(check1[cv])continue;
        check1[cv]=true;
        for(int j=0; j<graff[cv].size(); j++)
        {
            ll pp=graff[cv][j].first;
            dist[pp]=min(dist[pp], dist[cv]+graff[cv][j].second);
            if(!check1[pp])ord.push({-dist[pp], pp});
        }
    }
}

int main()
{
    ll m, n;
    cin>>n>>m;
    for(int i=0; i<m; i++)
    {
        cin>>b[i]>>p[i];
        srapers[b[i]].push_back(i);
    }
    for(int i=0; i<m; i++)
    {
        ll br=0;
        while(b[i]-br*p[i]>=0 or b[i]+br*p[i]<n)
        {
            int j;
            if(b[i]-br*p[i]>=0)
            {
                j=b[i]-br*p[i];
                for(int l=0; l<srapers[j].size(); l++)
                {
                    graff[i].push_back({srapers[j][l], br});
                }
            }
            if(b[i]+br*p[i]<n)
            {
                j=b[i]+br*p[i];
                for(int l=0; l<srapers[j].size(); l++)
                {
                    graff[i].push_back({srapers[j][l], br});
                }
            }
            br++;
        }
    }
    dijkstra(0);
    if(dist[1]==INF){cout<<-1; return 0;}
    cout<<dist[1];
    return 0;
}

Compilation message

skyscraper.cpp: In function 'void dijkstra(ll)':
skyscraper.cpp:24:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |         for(int j=0; j<graff[cv].size(); j++)
      |                      ~^~~~~~~~~~~~~~~~~
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:51:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |                 for(int l=0; l<srapers[j].size(); l++)
      |                              ~^~~~~~~~~~~~~~~~~~
skyscraper.cpp:59:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |                 for(int l=0; l<srapers[j].size(); l++)
      |                              ~^~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Correct 2 ms 3028 KB Output is correct
3 Correct 2 ms 3028 KB Output is correct
4 Correct 2 ms 3156 KB Output is correct
5 Correct 2 ms 3040 KB Output is correct
6 Correct 2 ms 3028 KB Output is correct
7 Correct 2 ms 3044 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3028 KB Output is correct
2 Correct 2 ms 3028 KB Output is correct
3 Correct 2 ms 3028 KB Output is correct
4 Correct 2 ms 3028 KB Output is correct
5 Correct 2 ms 3028 KB Output is correct
6 Correct 2 ms 3028 KB Output is correct
7 Correct 2 ms 3028 KB Output is correct
8 Correct 2 ms 3028 KB Output is correct
9 Correct 3 ms 3028 KB Output is correct
10 Correct 3 ms 3284 KB Output is correct
11 Correct 31 ms 9488 KB Output is correct
12 Correct 978 ms 163496 KB Output is correct
13 Correct 937 ms 161248 KB Output is correct
14 Correct 27 ms 8916 KB Output is correct
15 Correct 24 ms 8936 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3044 KB Output is correct
2 Correct 2 ms 3028 KB Output is correct
3 Correct 2 ms 3096 KB Output is correct
4 Correct 2 ms 3028 KB Output is correct
5 Correct 2 ms 3028 KB Output is correct
6 Correct 2 ms 2996 KB Output is correct
7 Correct 2 ms 3028 KB Output is correct
8 Correct 2 ms 3044 KB Output is correct
9 Correct 2 ms 3044 KB Output is correct
10 Correct 4 ms 3284 KB Output is correct
11 Correct 27 ms 9532 KB Output is correct
12 Execution timed out 1093 ms 163492 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Correct 2 ms 3028 KB Output is correct
3 Correct 2 ms 3028 KB Output is correct
4 Correct 2 ms 3028 KB Output is correct
5 Correct 2 ms 3028 KB Output is correct
6 Correct 2 ms 3028 KB Output is correct
7 Correct 2 ms 3028 KB Output is correct
8 Correct 2 ms 3028 KB Output is correct
9 Correct 2 ms 3040 KB Output is correct
10 Correct 3 ms 3284 KB Output is correct
11 Correct 27 ms 9548 KB Output is correct
12 Correct 974 ms 163504 KB Output is correct
13 Correct 976 ms 161264 KB Output is correct
14 Correct 23 ms 8916 KB Output is correct
15 Correct 24 ms 8912 KB Output is correct
16 Correct 3 ms 3796 KB Output is correct
17 Correct 9 ms 4828 KB Output is correct
18 Correct 3 ms 3284 KB Output is correct
19 Correct 3 ms 3148 KB Output is correct
20 Correct 424 ms 83836 KB Output is correct
21 Correct 3 ms 3412 KB Output is correct
22 Correct 2 ms 3156 KB Output is correct
23 Correct 3 ms 3284 KB Output is correct
24 Correct 5 ms 3648 KB Output is correct
25 Correct 5 ms 3540 KB Output is correct
26 Correct 831 ms 151448 KB Output is correct
27 Correct 803 ms 155568 KB Output is correct
28 Correct 4 ms 3668 KB Output is correct
29 Correct 5 ms 4204 KB Output is correct
30 Correct 2 ms 3156 KB Output is correct
31 Correct 3 ms 3540 KB Output is correct
32 Correct 3 ms 3296 KB Output is correct
33 Correct 25 ms 8912 KB Output is correct
34 Correct 23 ms 8936 KB Output is correct
35 Correct 429 ms 88764 KB Output is correct
36 Correct 16 ms 6484 KB Output is correct
37 Correct 508 ms 85268 KB Output is correct
38 Correct 618 ms 121256 KB Output is correct
39 Correct 656 ms 126212 KB Output is correct
40 Correct 738 ms 123260 KB Output is correct
41 Correct 641 ms 104016 KB Output is correct
42 Runtime error 325 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 3156 KB Output is correct
2 Correct 2 ms 3028 KB Output is correct
3 Correct 2 ms 3028 KB Output is correct
4 Correct 2 ms 3044 KB Output is correct
5 Correct 2 ms 3028 KB Output is correct
6 Correct 2 ms 3028 KB Output is correct
7 Correct 2 ms 3028 KB Output is correct
8 Correct 2 ms 3052 KB Output is correct
9 Correct 2 ms 3028 KB Output is correct
10 Correct 3 ms 3284 KB Output is correct
11 Correct 25 ms 9548 KB Output is correct
12 Correct 908 ms 163596 KB Output is correct
13 Correct 857 ms 161264 KB Output is correct
14 Correct 24 ms 8916 KB Output is correct
15 Correct 22 ms 8936 KB Output is correct
16 Correct 5 ms 3728 KB Output is correct
17 Correct 10 ms 4856 KB Output is correct
18 Correct 3 ms 3180 KB Output is correct
19 Correct 2 ms 3156 KB Output is correct
20 Correct 404 ms 83848 KB Output is correct
21 Correct 3 ms 3412 KB Output is correct
22 Correct 2 ms 3156 KB Output is correct
23 Correct 3 ms 3284 KB Output is correct
24 Correct 5 ms 3632 KB Output is correct
25 Correct 5 ms 3540 KB Output is correct
26 Correct 744 ms 151484 KB Output is correct
27 Correct 799 ms 155464 KB Output is correct
28 Correct 3 ms 3696 KB Output is correct
29 Correct 6 ms 4180 KB Output is correct
30 Correct 2 ms 3156 KB Output is correct
31 Correct 3 ms 3540 KB Output is correct
32 Correct 3 ms 3312 KB Output is correct
33 Correct 23 ms 8912 KB Output is correct
34 Correct 22 ms 8988 KB Output is correct
35 Correct 479 ms 88748 KB Output is correct
36 Correct 16 ms 6356 KB Output is correct
37 Correct 456 ms 85168 KB Output is correct
38 Correct 618 ms 121288 KB Output is correct
39 Correct 629 ms 126252 KB Output is correct
40 Correct 621 ms 123332 KB Output is correct
41 Correct 555 ms 103988 KB Output is correct
42 Runtime error 315 ms 262144 KB Execution killed with signal 9
43 Halted 0 ms 0 KB -