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Submission #304622

# Submission time Handle Problem Language Result Execution time Memory
304622 2020-09-21T15:33:38 Z vipghn2003 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 141 ms 6768 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define pii pair<int,int>
#define mp make_pair
using namespace std;

const int N=30005;
int n,m,b[N],p[N],d[N];
vector<pii>adj[N];
vector<int>have[N];

bool Have(int pos, int val)
{
  return binary_search(have[pos].begin(), have[pos].end(), val);
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin>>n>>m;
    for(int i=1;i<=m;i++)
    {
        cin>>b[i]>>p[i];
        b[i]++;
        have[b[i]].push_back(p[i]);
    }
    for(int i=1;i<=n;i++)
    {
        sort(have[i].begin(),have[i].end());
        have[i].erase(unique(have[i].begin(),have[i].end()),have[i].end());
    }
    memset(d,-1,sizeof d);
    d[b[1]]=0;
    priority_queue<pii,vector<pii>,greater<pii>>pq;
    pq.push(mp(0,b[1]));
    while(!pq.empty())
    {
        auto u=pq.top();
        pq.pop();
        if(u.fi!=d[u.se]) continue;
        for(auto&x:have[u.se])
        {
            int cnt=0,cur=u.se;
            while(cur+x<=n)
            {
                cnt++;
                cur+=x;
                if(d[cur]==-1||d[cur]>u.fi+cnt)
                {
                    d[cur]=u.fi+cnt;
                    pq.push(mp(d[cur],cur));
                }
                if(Have(cur,x)) break;
            }
            cur=u.se;
            cnt=0;
            while(cur-x>=1)
            {
                cnt++;
                cur-=x;
                if(d[cur]==-1||d[cur]>u.fi+cnt)
                {
                    d[cur]=u.fi+cnt;
                    pq.push(mp(d[cur],cur));
                }
                if(Have(cur,x)) break;
            }
        }
    }
    cout<<d[b[2]];
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1920 KB Output is correct
2 Correct 2 ms 1920 KB Output is correct
3 Correct 2 ms 1920 KB Output is correct
4 Correct 1 ms 1920 KB Output is correct
5 Correct 1 ms 1792 KB Output is correct
6 Correct 1 ms 1792 KB Output is correct
7 Correct 2 ms 1792 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1792 KB Output is correct
2 Correct 1 ms 1792 KB Output is correct
3 Correct 1 ms 1920 KB Output is correct
4 Correct 2 ms 1920 KB Output is correct
5 Correct 1 ms 1792 KB Output is correct
6 Correct 2 ms 1792 KB Output is correct
7 Correct 2 ms 1920 KB Output is correct
8 Correct 1 ms 1920 KB Output is correct
9 Correct 1 ms 1792 KB Output is correct
10 Correct 1 ms 1920 KB Output is correct
11 Correct 2 ms 1920 KB Output is correct
12 Correct 2 ms 1920 KB Output is correct
13 Correct 2 ms 1920 KB Output is correct
14 Correct 3 ms 1920 KB Output is correct
15 Correct 2 ms 1920 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1792 KB Output is correct
2 Correct 1 ms 1920 KB Output is correct
3 Correct 1 ms 1792 KB Output is correct
4 Correct 2 ms 1920 KB Output is correct
5 Correct 1 ms 1920 KB Output is correct
6 Correct 2 ms 1792 KB Output is correct
7 Correct 2 ms 1920 KB Output is correct
8 Correct 1 ms 1920 KB Output is correct
9 Correct 1 ms 1792 KB Output is correct
10 Correct 2 ms 1920 KB Output is correct
11 Correct 2 ms 1920 KB Output is correct
12 Correct 2 ms 1920 KB Output is correct
13 Correct 2 ms 1920 KB Output is correct
14 Correct 2 ms 1920 KB Output is correct
15 Correct 2 ms 1920 KB Output is correct
16 Correct 2 ms 1920 KB Output is correct
17 Correct 2 ms 1920 KB Output is correct
18 Correct 2 ms 1920 KB Output is correct
19 Correct 2 ms 1920 KB Output is correct
20 Correct 2 ms 1920 KB Output is correct
21 Correct 2 ms 1920 KB Output is correct
22 Correct 2 ms 1920 KB Output is correct
23 Correct 2 ms 1920 KB Output is correct
24 Correct 3 ms 1920 KB Output is correct
25 Correct 3 ms 1920 KB Output is correct
26 Correct 2 ms 1920 KB Output is correct
27 Correct 2 ms 1920 KB Output is correct
28 Correct 2 ms 1920 KB Output is correct
29 Correct 4 ms 2048 KB Output is correct
30 Correct 2 ms 1920 KB Output is correct
31 Correct 3 ms 2048 KB Output is correct
32 Correct 2 ms 1920 KB Output is correct
33 Correct 6 ms 2304 KB Output is correct
34 Correct 6 ms 2304 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1920 KB Output is correct
2 Correct 1 ms 1920 KB Output is correct
3 Correct 1 ms 1920 KB Output is correct
4 Correct 1 ms 1920 KB Output is correct
5 Correct 1 ms 1920 KB Output is correct
6 Correct 1 ms 1792 KB Output is correct
7 Correct 1 ms 1920 KB Output is correct
8 Correct 1 ms 1792 KB Output is correct
9 Correct 2 ms 1920 KB Output is correct
10 Correct 2 ms 1920 KB Output is correct
11 Correct 2 ms 1920 KB Output is correct
12 Correct 2 ms 1920 KB Output is correct
13 Correct 2 ms 1920 KB Output is correct
14 Correct 2 ms 1920 KB Output is correct
15 Correct 2 ms 1920 KB Output is correct
16 Correct 2 ms 1920 KB Output is correct
17 Correct 4 ms 1920 KB Output is correct
18 Correct 2 ms 1920 KB Output is correct
19 Correct 2 ms 1920 KB Output is correct
20 Correct 2 ms 1920 KB Output is correct
21 Correct 2 ms 1920 KB Output is correct
22 Correct 2 ms 1920 KB Output is correct
23 Correct 2 ms 1920 KB Output is correct
24 Correct 3 ms 2048 KB Output is correct
25 Correct 3 ms 1920 KB Output is correct
26 Correct 2 ms 1952 KB Output is correct
27 Correct 2 ms 1920 KB Output is correct
28 Correct 2 ms 1920 KB Output is correct
29 Correct 4 ms 2048 KB Output is correct
30 Correct 2 ms 1920 KB Output is correct
31 Correct 3 ms 2048 KB Output is correct
32 Correct 2 ms 1920 KB Output is correct
33 Correct 6 ms 2304 KB Output is correct
34 Correct 6 ms 2304 KB Output is correct
35 Correct 10 ms 2304 KB Output is correct
36 Correct 3 ms 2048 KB Output is correct
37 Correct 11 ms 2304 KB Output is correct
38 Correct 13 ms 2432 KB Output is correct
39 Correct 13 ms 2472 KB Output is correct
40 Correct 13 ms 2432 KB Output is correct
41 Correct 13 ms 2432 KB Output is correct
42 Correct 7 ms 2560 KB Output is correct
43 Correct 7 ms 2560 KB Output is correct
44 Correct 7 ms 2560 KB Output is correct
45 Correct 14 ms 2816 KB Output is correct
46 Correct 16 ms 2816 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1792 KB Output is correct
2 Correct 1 ms 1920 KB Output is correct
3 Correct 1 ms 1920 KB Output is correct
4 Correct 1 ms 1920 KB Output is correct
5 Correct 1 ms 1920 KB Output is correct
6 Correct 1 ms 1920 KB Output is correct
7 Correct 2 ms 1920 KB Output is correct
8 Correct 2 ms 1920 KB Output is correct
9 Correct 1 ms 1792 KB Output is correct
10 Correct 2 ms 1920 KB Output is correct
11 Correct 2 ms 1920 KB Output is correct
12 Correct 2 ms 1920 KB Output is correct
13 Correct 2 ms 1920 KB Output is correct
14 Correct 2 ms 1920 KB Output is correct
15 Correct 2 ms 1920 KB Output is correct
16 Correct 2 ms 1920 KB Output is correct
17 Correct 2 ms 1920 KB Output is correct
18 Correct 2 ms 1920 KB Output is correct
19 Correct 2 ms 1920 KB Output is correct
20 Correct 2 ms 1920 KB Output is correct
21 Correct 2 ms 1920 KB Output is correct
22 Correct 2 ms 1920 KB Output is correct
23 Correct 2 ms 1920 KB Output is correct
24 Correct 3 ms 1920 KB Output is correct
25 Correct 3 ms 1920 KB Output is correct
26 Correct 2 ms 1920 KB Output is correct
27 Correct 2 ms 1920 KB Output is correct
28 Correct 2 ms 1920 KB Output is correct
29 Correct 4 ms 2048 KB Output is correct
30 Correct 2 ms 1920 KB Output is correct
31 Correct 3 ms 2044 KB Output is correct
32 Correct 2 ms 1920 KB Output is correct
33 Correct 5 ms 2304 KB Output is correct
34 Correct 6 ms 2304 KB Output is correct
35 Correct 10 ms 2304 KB Output is correct
36 Correct 3 ms 2048 KB Output is correct
37 Correct 12 ms 2304 KB Output is correct
38 Correct 14 ms 2432 KB Output is correct
39 Correct 13 ms 2432 KB Output is correct
40 Correct 13 ms 2432 KB Output is correct
41 Correct 13 ms 2432 KB Output is correct
42 Correct 7 ms 2560 KB Output is correct
43 Correct 7 ms 2560 KB Output is correct
44 Correct 7 ms 2560 KB Output is correct
45 Correct 14 ms 2944 KB Output is correct
46 Correct 14 ms 2816 KB Output is correct
47 Correct 32 ms 3324 KB Output is correct
48 Correct 9 ms 2816 KB Output is correct
49 Correct 8 ms 2688 KB Output is correct
50 Correct 6 ms 2560 KB Output is correct
51 Correct 42 ms 3708 KB Output is correct
52 Correct 35 ms 3708 KB Output is correct
53 Correct 19 ms 3668 KB Output is correct
54 Correct 3 ms 2048 KB Output is correct
55 Correct 4 ms 2048 KB Output is correct
56 Correct 11 ms 3292 KB Output is correct
57 Correct 28 ms 2680 KB Output is correct
58 Correct 9 ms 2560 KB Output is correct
59 Correct 10 ms 2688 KB Output is correct
60 Correct 11 ms 2688 KB Output is correct
61 Correct 10 ms 2688 KB Output is correct
62 Correct 16 ms 3328 KB Output is correct
63 Correct 49 ms 4724 KB Output is correct
64 Correct 51 ms 4724 KB Output is correct
65 Correct 67 ms 4724 KB Output is correct
66 Correct 132 ms 6768 KB Output is correct
67 Correct 141 ms 6768 KB Output is correct