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Submission #16662

# Submission time Handle Problem Language Result Execution time Memory
16662 2015-09-03T11:11:37 Z eaststar Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 897 ms 8336 KB 
#include <bits/stdc++.h>
#define f first
#define s second
using namespace std;
typedef pair<int,int> data;
data a[30010];
int st[30010],D[30010];
priority_queue<data,vector<data>,greater<data> > q;
int main(){
    int i,j,n,m,s,e,d;
    scanf("%d%d",&n,&m);
    for(i=0;i<m;++i)scanf("%d%d",&a[i].f,&a[i].s);
    s=a[0].f,e=a[1].f;
    sort(a,a+m);
    st[a[0].f]=0;
    for(i=1;i<m;++i)if(a[i].f!=a[i-1].f)st[a[i].f]=i;
    for(i=0;i<n;++i)D[i]=2e9;
    D[s]=0;
    q.push({0,s});
    while(!q.empty()){
        data p=q.top();
        q.pop();
        if(D[p.s]!=p.f)continue;
        for(i=st[p.s];a[i].f==p.s&&i<m;++i){
            d=p.f;
            for(j=p.s+a[i].s;j<n;j+=a[i].s)if(D[j]>++d)q.push({D[j]=d,j});
            d=p.f;
            for(j=p.s-a[i].s;j>=0;j-=a[i].s)if(D[j]>++d)q.push({D[j]=d,j});
        }
    }
    printf("%d",D[e]<2e9?D[e]:-1);
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2188 KB Output is correct
2 Correct 0 ms 2188 KB Output is correct
3 Correct 0 ms 2188 KB Output is correct
4 Correct 0 ms 2188 KB Output is correct
5 Correct 0 ms 2188 KB Output is correct
6 Correct 0 ms 2188 KB Output is correct
7 Correct 0 ms 2188 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2188 KB Output is correct
2 Correct 0 ms 2188 KB Output is correct
3 Correct 0 ms 2188 KB Output is correct
4 Correct 0 ms 2188 KB Output is correct
5 Correct 0 ms 2188 KB Output is correct
6 Correct 0 ms 2188 KB Output is correct
7 Correct 0 ms 2188 KB Output is correct
8 Correct 0 ms 2188 KB Output is correct
9 Correct 0 ms 2188 KB Output is correct
10 Correct 0 ms 2188 KB Output is correct
11 Correct 0 ms 2188 KB Output is correct
12 Correct 1 ms 2188 KB Output is correct
13 Correct 0 ms 2188 KB Output is correct
14 Correct 0 ms 2188 KB Output is correct
15 Correct 0 ms 2188 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2188 KB Output is correct
2 Correct 0 ms 2188 KB Output is correct
3 Correct 0 ms 2188 KB Output is correct
4 Correct 0 ms 2188 KB Output is correct
5 Correct 0 ms 2188 KB Output is correct
6 Correct 0 ms 2188 KB Output is correct
7 Correct 0 ms 2188 KB Output is correct
8 Correct 0 ms 2188 KB Output is correct
9 Correct 0 ms 2188 KB Output is correct
10 Correct 0 ms 2188 KB Output is correct
11 Correct 0 ms 2188 KB Output is correct
12 Correct 0 ms 2188 KB Output is correct
13 Correct 0 ms 2188 KB Output is correct
14 Correct 0 ms 2188 KB Output is correct
15 Correct 0 ms 2188 KB Output is correct
16 Correct 0 ms 2188 KB Output is correct
17 Correct 0 ms 2188 KB Output is correct
18 Correct 0 ms 2188 KB Output is correct
19 Correct 0 ms 2188 KB Output is correct
20 Correct 5 ms 2188 KB Output is correct
21 Correct 0 ms 2188 KB Output is correct
22 Correct 0 ms 2188 KB Output is correct
23 Correct 1 ms 2188 KB Output is correct
24 Correct 2 ms 2188 KB Output is correct
25 Correct 0 ms 2188 KB Output is correct
26 Correct 5 ms 2188 KB Output is correct
27 Correct 0 ms 2188 KB Output is correct
28 Correct 0 ms 2188 KB Output is correct
29 Correct 0 ms 2320 KB Output is correct
30 Correct 1 ms 2188 KB Output is correct
31 Correct 0 ms 2188 KB Output is correct
32 Correct 0 ms 2188 KB Output is correct
33 Correct 0 ms 2576 KB Output is correct
34 Correct 0 ms 2576 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2188 KB Output is correct
2 Correct 0 ms 2188 KB Output is correct
3 Correct 0 ms 2188 KB Output is correct
4 Correct 0 ms 2188 KB Output is correct
5 Correct 0 ms 2188 KB Output is correct
6 Correct 0 ms 2188 KB Output is correct
7 Correct 0 ms 2188 KB Output is correct
8 Correct 0 ms 2188 KB Output is correct
9 Correct 0 ms 2188 KB Output is correct
10 Correct 0 ms 2188 KB Output is correct
11 Correct 0 ms 2188 KB Output is correct
12 Correct 0 ms 2188 KB Output is correct
13 Correct 0 ms 2188 KB Output is correct
14 Correct 0 ms 2188 KB Output is correct
15 Correct 1 ms 2188 KB Output is correct
16 Correct 0 ms 2188 KB Output is correct
17 Correct 1 ms 2188 KB Output is correct
18 Correct 0 ms 2188 KB Output is correct
19 Correct 0 ms 2188 KB Output is correct
20 Correct 5 ms 2188 KB Output is correct
21 Correct 0 ms 2188 KB Output is correct
22 Correct 0 ms 2188 KB Output is correct
23 Correct 0 ms 2188 KB Output is correct
24 Correct 1 ms 2188 KB Output is correct
25 Correct 2 ms 2188 KB Output is correct
26 Correct 5 ms 2188 KB Output is correct
27 Correct 4 ms 2188 KB Output is correct
28 Correct 0 ms 2188 KB Output is correct
29 Correct 0 ms 2320 KB Output is correct
30 Correct 1 ms 2188 KB Output is correct
31 Correct 2 ms 2188 KB Output is correct
32 Correct 1 ms 2188 KB Output is correct
33 Correct 5 ms 2576 KB Output is correct
34 Correct 4 ms 2576 KB Output is correct
35 Correct 10 ms 2188 KB Output is correct
36 Correct 0 ms 2188 KB Output is correct
37 Correct 9 ms 2188 KB Output is correct
38 Correct 10 ms 2188 KB Output is correct
39 Correct 14 ms 2188 KB Output is correct
40 Correct 13 ms 2188 KB Output is correct
41 Correct 12 ms 2188 KB Output is correct
42 Correct 63 ms 2188 KB Output is correct
43 Correct 63 ms 2188 KB Output is correct
44 Correct 66 ms 2188 KB Output is correct
45 Correct 16 ms 2576 KB Output is correct
46 Correct 14 ms 2576 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2188 KB Output is correct
2 Correct 0 ms 2188 KB Output is correct
3 Correct 0 ms 2188 KB Output is correct
4 Correct 0 ms 2188 KB Output is correct
5 Correct 0 ms 2188 KB Output is correct
6 Correct 0 ms 2188 KB Output is correct
7 Correct 0 ms 2188 KB Output is correct
8 Correct 0 ms 2188 KB Output is correct
9 Correct 0 ms 2188 KB Output is correct
10 Correct 0 ms 2188 KB Output is correct
11 Correct 0 ms 2188 KB Output is correct
12 Correct 1 ms 2188 KB Output is correct
13 Correct 0 ms 2188 KB Output is correct
14 Correct 0 ms 2188 KB Output is correct
15 Correct 0 ms 2188 KB Output is correct
16 Correct 0 ms 2188 KB Output is correct
17 Correct 0 ms 2188 KB Output is correct
18 Correct 0 ms 2188 KB Output is correct
19 Correct 0 ms 2188 KB Output is correct
20 Correct 2 ms 2188 KB Output is correct
21 Correct 0 ms 2188 KB Output is correct
22 Correct 0 ms 2188 KB Output is correct
23 Correct 0 ms 2188 KB Output is correct
24 Correct 0 ms 2188 KB Output is correct
25 Correct 0 ms 2188 KB Output is correct
26 Correct 4 ms 2188 KB Output is correct
27 Correct 4 ms 2188 KB Output is correct
28 Correct 0 ms 2188 KB Output is correct
29 Correct 0 ms 2320 KB Output is correct
30 Correct 0 ms 2188 KB Output is correct
31 Correct 0 ms 2188 KB Output is correct
32 Correct 0 ms 2188 KB Output is correct
33 Correct 5 ms 2576 KB Output is correct
34 Correct 5 ms 2576 KB Output is correct
35 Correct 7 ms 2188 KB Output is correct
36 Correct 0 ms 2188 KB Output is correct
37 Correct 9 ms 2188 KB Output is correct
38 Correct 10 ms 2188 KB Output is correct
39 Correct 14 ms 2188 KB Output is correct
40 Correct 9 ms 2188 KB Output is correct
41 Correct 13 ms 2188 KB Output is correct
42 Correct 66 ms 2188 KB Output is correct
43 Correct 66 ms 2188 KB Output is correct
44 Correct 67 ms 2188 KB Output is correct
45 Correct 11 ms 2576 KB Output is correct
46 Correct 12 ms 2576 KB Output is correct
47 Correct 22 ms 2960 KB Output is correct
48 Correct 8 ms 2188 KB Output is correct
49 Correct 8 ms 2188 KB Output is correct
50 Correct 6 ms 2188 KB Output is correct
51 Correct 29 ms 3728 KB Output is correct
52 Correct 33 ms 2960 KB Output is correct
53 Correct 10 ms 2960 KB Output is correct
54 Correct 0 ms 2320 KB Output is correct
55 Correct 0 ms 2320 KB Output is correct
56 Correct 882 ms 2576 KB Output is correct
57 Correct 51 ms 5264 KB Output is correct
58 Correct 897 ms 2320 KB Output is correct
59 Correct 853 ms 2320 KB Output is correct
60 Correct 880 ms 2320 KB Output is correct
61 Correct 776 ms 2320 KB Output is correct
62 Correct 12 ms 2188 KB Output is correct
63 Correct 40 ms 5264 KB Output is correct
64 Correct 43 ms 5264 KB Output is correct
65 Correct 55 ms 5264 KB Output is correct
66 Correct 113 ms 8336 KB Output is correct
67 Correct 118 ms 8336 KB Output is correct