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Submission #705335

# Submission time Handle Problem Language Result Execution time Memory
705335 2023-03-04T03:39:43 Z ToroTN Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 225 ms 65592 KB 
#include<bits/stdc++.h>
using namespace std;
#define X first
#define Y second
#define pb push_back
int n,m,x,y,st,ed,cnt,go,cost,u,d[30005];
set<int> s[30005];
vector<pair<int,int> > v[30005];
priority_queue<pair<int,int> > pq;
int main()
{
    scanf("%d%d",&n,&m);
    for(int i=1;i<=m;i++)
    {
        scanf("%d%d",&x,&y);
        if(i==1)st=x;
        if(i==2)ed=x;
        s[x].insert(y);
    }
    for(int i=0;i<n;i++)
    {
        for(auto it=s[i].begin();it!=s[i].end();it++)
        {
            cnt=0;
            for(int j=i-(*it);j>=0;j-=(*it))
            {
                ++cnt;
                v[i].pb({j,cnt});
                if(s[j].find(*it)!=s[j].end())break;
            }
            cnt=0;
            for(int j=i+(*it);j<n;j+=(*it))
            {
                ++cnt;
                v[i].pb({j,cnt});
                if(s[j].find(*it)!=s[j].end())break;
            }
        }
    }
    for(int i=0;i<n;i++)d[i]=1e9;
    d[st]=0;
    pq.push({0,st});
    while(!pq.empty())
    {
        u=pq.top().Y;
        pq.pop();
        for(int i=0;i<v[u].size();i++)
        {
            y=v[u][i].X,cost=v[u][i].Y;
            if(d[u]+cost<d[y])
            {
                d[y]=d[u]+cost;
                pq.push({-d[y],y});
            }
        }
    }
    if(d[ed]==1e9)
    {
        printf("-1\n");
    }else
    {
        printf("%d\n",d[ed]);
    }
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:47:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |         for(int i=0;i<v[u].size();i++)
      |                     ~^~~~~~~~~~~~
skyscraper.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     scanf("%d%d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         scanf("%d%d",&x,&y);
      |         ~~~~~^~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 1 ms 2388 KB Output is correct
5 Correct 2 ms 2516 KB Output is correct
6 Correct 2 ms 2388 KB Output is correct
7 Correct 2 ms 2388 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 1 ms 2388 KB Output is correct
5 Correct 2 ms 2388 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 2 ms 2388 KB Output is correct
8 Correct 1 ms 2420 KB Output is correct
9 Correct 1 ms 2388 KB Output is correct
10 Correct 2 ms 2388 KB Output is correct
11 Correct 2 ms 2556 KB Output is correct
12 Correct 2 ms 2388 KB Output is correct
13 Correct 2 ms 2388 KB Output is correct
14 Correct 2 ms 2556 KB Output is correct
15 Correct 2 ms 2516 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 2 ms 2388 KB Output is correct
5 Correct 2 ms 2488 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 2 ms 2388 KB Output is correct
8 Correct 2 ms 2388 KB Output is correct
9 Correct 2 ms 2388 KB Output is correct
10 Correct 2 ms 2420 KB Output is correct
11 Correct 2 ms 2516 KB Output is correct
12 Correct 2 ms 2388 KB Output is correct
13 Correct 2 ms 2388 KB Output is correct
14 Correct 2 ms 2516 KB Output is correct
15 Correct 2 ms 2516 KB Output is correct
16 Correct 2 ms 2388 KB Output is correct
17 Correct 3 ms 2644 KB Output is correct
18 Correct 2 ms 2516 KB Output is correct
19 Correct 2 ms 2388 KB Output is correct
20 Correct 2 ms 2560 KB Output is correct
21 Correct 2 ms 2388 KB Output is correct
22 Correct 2 ms 2420 KB Output is correct
23 Correct 2 ms 2516 KB Output is correct
24 Correct 4 ms 2644 KB Output is correct
25 Correct 3 ms 2656 KB Output is correct
26 Correct 2 ms 2516 KB Output is correct
27 Correct 2 ms 2516 KB Output is correct
28 Correct 3 ms 2684 KB Output is correct
29 Correct 4 ms 3168 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 3 ms 2772 KB Output is correct
32 Correct 3 ms 2772 KB Output is correct
33 Correct 6 ms 3796 KB Output is correct
34 Correct 6 ms 3836 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 1 ms 2388 KB Output is correct
5 Correct 1 ms 2388 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 1 ms 2388 KB Output is correct
8 Correct 2 ms 2388 KB Output is correct
9 Correct 1 ms 2388 KB Output is correct
10 Correct 2 ms 2388 KB Output is correct
11 Correct 2 ms 2516 KB Output is correct
12 Correct 2 ms 2388 KB Output is correct
13 Correct 2 ms 2432 KB Output is correct
14 Correct 3 ms 2516 KB Output is correct
15 Correct 2 ms 2516 KB Output is correct
16 Correct 2 ms 2516 KB Output is correct
17 Correct 3 ms 2644 KB Output is correct
18 Correct 2 ms 2516 KB Output is correct
19 Correct 2 ms 2516 KB Output is correct
20 Correct 2 ms 2556 KB Output is correct
21 Correct 2 ms 2428 KB Output is correct
22 Correct 2 ms 2516 KB Output is correct
23 Correct 3 ms 2556 KB Output is correct
24 Correct 3 ms 2644 KB Output is correct
25 Correct 3 ms 2564 KB Output is correct
26 Correct 2 ms 2564 KB Output is correct
27 Correct 2 ms 2516 KB Output is correct
28 Correct 3 ms 2756 KB Output is correct
29 Correct 4 ms 3156 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 3 ms 2772 KB Output is correct
32 Correct 2 ms 2768 KB Output is correct
33 Correct 6 ms 3832 KB Output is correct
34 Correct 6 ms 3796 KB Output is correct
35 Correct 16 ms 4856 KB Output is correct
36 Correct 3 ms 2780 KB Output is correct
37 Correct 17 ms 5508 KB Output is correct
38 Correct 21 ms 5756 KB Output is correct
39 Correct 21 ms 5844 KB Output is correct
40 Correct 23 ms 5848 KB Output is correct
41 Correct 21 ms 5740 KB Output is correct
42 Correct 6 ms 2628 KB Output is correct
43 Correct 6 ms 2692 KB Output is correct
44 Correct 6 ms 2668 KB Output is correct
45 Correct 26 ms 8360 KB Output is correct
46 Correct 29 ms 8436 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 1 ms 2388 KB Output is correct
5 Correct 2 ms 2388 KB Output is correct
6 Correct 2 ms 2420 KB Output is correct
7 Correct 1 ms 2424 KB Output is correct
8 Correct 2 ms 2388 KB Output is correct
9 Correct 2 ms 2408 KB Output is correct
10 Correct 1 ms 2420 KB Output is correct
11 Correct 2 ms 2516 KB Output is correct
12 Correct 2 ms 2428 KB Output is correct
13 Correct 2 ms 2428 KB Output is correct
14 Correct 2 ms 2552 KB Output is correct
15 Correct 2 ms 2552 KB Output is correct
16 Correct 2 ms 2392 KB Output is correct
17 Correct 3 ms 2652 KB Output is correct
18 Correct 2 ms 2516 KB Output is correct
19 Correct 2 ms 2388 KB Output is correct
20 Correct 2 ms 2560 KB Output is correct
21 Correct 2 ms 2388 KB Output is correct
22 Correct 2 ms 2428 KB Output is correct
23 Correct 2 ms 2516 KB Output is correct
24 Correct 3 ms 2644 KB Output is correct
25 Correct 3 ms 2644 KB Output is correct
26 Correct 2 ms 2516 KB Output is correct
27 Correct 2 ms 2432 KB Output is correct
28 Correct 3 ms 2772 KB Output is correct
29 Correct 4 ms 3064 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 3 ms 2772 KB Output is correct
32 Correct 3 ms 2772 KB Output is correct
33 Correct 6 ms 3796 KB Output is correct
34 Correct 6 ms 3796 KB Output is correct
35 Correct 18 ms 4772 KB Output is correct
36 Correct 4 ms 2820 KB Output is correct
37 Correct 17 ms 5536 KB Output is correct
38 Correct 21 ms 5808 KB Output is correct
39 Correct 21 ms 5796 KB Output is correct
40 Correct 20 ms 5788 KB Output is correct
41 Correct 20 ms 5832 KB Output is correct
42 Correct 7 ms 2644 KB Output is correct
43 Correct 6 ms 2644 KB Output is correct
44 Correct 6 ms 2772 KB Output is correct
45 Correct 25 ms 8316 KB Output is correct
46 Correct 25 ms 8304 KB Output is correct
47 Correct 46 ms 12984 KB Output is correct
48 Correct 15 ms 6088 KB Output is correct
49 Correct 13 ms 5144 KB Output is correct
50 Correct 11 ms 4820 KB Output is correct
51 Correct 38 ms 8272 KB Output is correct
52 Correct 39 ms 8640 KB Output is correct
53 Correct 21 ms 5772 KB Output is correct
54 Correct 3 ms 3028 KB Output is correct
55 Correct 4 ms 3408 KB Output is correct
56 Correct 12 ms 5076 KB Output is correct
57 Correct 38 ms 11544 KB Output is correct
58 Correct 10 ms 3676 KB Output is correct
59 Correct 10 ms 4056 KB Output is correct
60 Correct 11 ms 4688 KB Output is correct
61 Correct 12 ms 4124 KB Output is correct
62 Correct 21 ms 9300 KB Output is correct
63 Correct 69 ms 25636 KB Output is correct
64 Correct 72 ms 28436 KB Output is correct
65 Correct 93 ms 38328 KB Output is correct
66 Correct 224 ms 65400 KB Output is correct
67 Correct 225 ms 65592 KB Output is correct