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Submission #239115

# Submission time Handle Problem Language Result Execution time Memory
239115 2020-06-14T12:43:24 Z jhnah917 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 850 ms 3700 KB 
#include <bits/stdc++.h>
using namespace std;

typedef pair<int, int> p;

int n, m, s, t;
vector<int> g[30303];
int dst[30303];

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n >> m;
    for(int i=0; i<m; i++){
        int a, b; cin >> a >> b;
        g[a].push_back(b);
        if(i == 0) s = a;
        else if(i == 1) t = a;
    }
    memset(dst, 0x3f, sizeof dst);
    priority_queue<p> pq;
    pq.emplace(0, s); dst[s] = 0;
    while(pq.size()){
        int now = pq.top().second;
        int cst = -pq.top().first;
        pq.pop();
        if(dst[now] < cst) continue;
        for(auto i : g[now]){
            for(int j=0; now+i*j<n; j++) if(dst[now+i*j] > cst + j){
                dst[now+i*j] = cst + j;
                pq.emplace(-(cst+j), now+i*j);
            }
            for(int j=1; now-i*j>=0; j++) if(dst[now-i*j] > cst + j){
                dst[now-i*j] = cst + j;
                pq.emplace(-(cst+j), now-i*j);
            }
        }
    }
    if(dst[t] == 0x3f3f3f3f) cout << -1;
    else cout << dst[t];
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1152 KB Output is correct
2 Correct 5 ms 1152 KB Output is correct
3 Correct 6 ms 1152 KB Output is correct
4 Correct 5 ms 1152 KB Output is correct
5 Correct 5 ms 1152 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 5 ms 1152 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1152 KB Output is correct
2 Correct 5 ms 1152 KB Output is correct
3 Correct 5 ms 1152 KB Output is correct
4 Correct 5 ms 1152 KB Output is correct
5 Correct 5 ms 1152 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 5 ms 1152 KB Output is correct
8 Correct 5 ms 1152 KB Output is correct
9 Correct 5 ms 1152 KB Output is correct
10 Correct 5 ms 1152 KB Output is correct
11 Correct 5 ms 1152 KB Output is correct
12 Correct 5 ms 1152 KB Output is correct
13 Correct 5 ms 1152 KB Output is correct
14 Correct 5 ms 1152 KB Output is correct
15 Correct 5 ms 1152 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1152 KB Output is correct
2 Correct 6 ms 1152 KB Output is correct
3 Correct 5 ms 1152 KB Output is correct
4 Correct 5 ms 1152 KB Output is correct
5 Correct 5 ms 1152 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 5 ms 1152 KB Output is correct
8 Correct 5 ms 1152 KB Output is correct
9 Correct 5 ms 1152 KB Output is correct
10 Correct 5 ms 1152 KB Output is correct
11 Correct 6 ms 1152 KB Output is correct
12 Correct 6 ms 1152 KB Output is correct
13 Correct 6 ms 1152 KB Output is correct
14 Correct 5 ms 1152 KB Output is correct
15 Correct 5 ms 1280 KB Output is correct
16 Correct 6 ms 1152 KB Output is correct
17 Correct 6 ms 1280 KB Output is correct
18 Correct 6 ms 1280 KB Output is correct
19 Correct 5 ms 1152 KB Output is correct
20 Correct 9 ms 1280 KB Output is correct
21 Correct 5 ms 1152 KB Output is correct
22 Correct 5 ms 1152 KB Output is correct
23 Correct 5 ms 1152 KB Output is correct
24 Correct 6 ms 1280 KB Output is correct
25 Correct 6 ms 1280 KB Output is correct
26 Correct 9 ms 1152 KB Output is correct
27 Correct 9 ms 1280 KB Output is correct
28 Correct 6 ms 1280 KB Output is correct
29 Correct 6 ms 1280 KB Output is correct
30 Correct 6 ms 1280 KB Output is correct
31 Correct 6 ms 1280 KB Output is correct
32 Correct 6 ms 1280 KB Output is correct
33 Correct 6 ms 1408 KB Output is correct
34 Correct 6 ms 1408 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1152 KB Output is correct
2 Correct 5 ms 1152 KB Output is correct
3 Correct 5 ms 1152 KB Output is correct
4 Correct 5 ms 1152 KB Output is correct
5 Correct 5 ms 1152 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 5 ms 1152 KB Output is correct
8 Correct 5 ms 1152 KB Output is correct
9 Correct 5 ms 1152 KB Output is correct
10 Correct 5 ms 1152 KB Output is correct
11 Correct 6 ms 1280 KB Output is correct
12 Correct 5 ms 1152 KB Output is correct
13 Correct 5 ms 1152 KB Output is correct
14 Correct 6 ms 1152 KB Output is correct
15 Correct 6 ms 1280 KB Output is correct
16 Correct 5 ms 1152 KB Output is correct
17 Correct 7 ms 1312 KB Output is correct
18 Correct 5 ms 1280 KB Output is correct
19 Correct 5 ms 1152 KB Output is correct
20 Correct 9 ms 1280 KB Output is correct
21 Correct 5 ms 1152 KB Output is correct
22 Correct 5 ms 1152 KB Output is correct
23 Correct 5 ms 1280 KB Output is correct
24 Correct 6 ms 1280 KB Output is correct
25 Correct 6 ms 1280 KB Output is correct
26 Correct 11 ms 1152 KB Output is correct
27 Correct 10 ms 1152 KB Output is correct
28 Correct 6 ms 1280 KB Output is correct
29 Correct 7 ms 1280 KB Output is correct
30 Correct 6 ms 1280 KB Output is correct
31 Correct 6 ms 1280 KB Output is correct
32 Correct 6 ms 1280 KB Output is correct
33 Correct 6 ms 1280 KB Output is correct
34 Correct 7 ms 1408 KB Output is correct
35 Correct 11 ms 1664 KB Output is correct
36 Correct 7 ms 1280 KB Output is correct
37 Correct 10 ms 1664 KB Output is correct
38 Correct 12 ms 1792 KB Output is correct
39 Correct 12 ms 1792 KB Output is correct
40 Correct 13 ms 1792 KB Output is correct
41 Correct 13 ms 1792 KB Output is correct
42 Correct 65 ms 1672 KB Output is correct
43 Correct 64 ms 1664 KB Output is correct
44 Correct 71 ms 1664 KB Output is correct
45 Correct 11 ms 1664 KB Output is correct
46 Correct 12 ms 1664 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1152 KB Output is correct
2 Correct 5 ms 1152 KB Output is correct
3 Correct 5 ms 1152 KB Output is correct
4 Correct 5 ms 1200 KB Output is correct
5 Correct 5 ms 1152 KB Output is correct
6 Correct 6 ms 1152 KB Output is correct
7 Correct 5 ms 1152 KB Output is correct
8 Correct 5 ms 1152 KB Output is correct
9 Correct 6 ms 1152 KB Output is correct
10 Correct 6 ms 1152 KB Output is correct
11 Correct 5 ms 1280 KB Output is correct
12 Correct 6 ms 1152 KB Output is correct
13 Correct 5 ms 1280 KB Output is correct
14 Correct 6 ms 1152 KB Output is correct
15 Correct 5 ms 1152 KB Output is correct
16 Correct 5 ms 1152 KB Output is correct
17 Correct 6 ms 1280 KB Output is correct
18 Correct 6 ms 1152 KB Output is correct
19 Correct 5 ms 1152 KB Output is correct
20 Correct 9 ms 1280 KB Output is correct
21 Correct 5 ms 1280 KB Output is correct
22 Correct 5 ms 1152 KB Output is correct
23 Correct 6 ms 1152 KB Output is correct
24 Correct 6 ms 1280 KB Output is correct
25 Correct 6 ms 1280 KB Output is correct
26 Correct 9 ms 1152 KB Output is correct
27 Correct 9 ms 1280 KB Output is correct
28 Correct 6 ms 1280 KB Output is correct
29 Correct 6 ms 1280 KB Output is correct
30 Correct 6 ms 1280 KB Output is correct
31 Correct 7 ms 1280 KB Output is correct
32 Correct 6 ms 1280 KB Output is correct
33 Correct 7 ms 1280 KB Output is correct
34 Correct 6 ms 1408 KB Output is correct
35 Correct 11 ms 1664 KB Output is correct
36 Correct 6 ms 1280 KB Output is correct
37 Correct 11 ms 1664 KB Output is correct
38 Correct 13 ms 1792 KB Output is correct
39 Correct 14 ms 1792 KB Output is correct
40 Correct 12 ms 1792 KB Output is correct
41 Correct 12 ms 1792 KB Output is correct
42 Correct 65 ms 1664 KB Output is correct
43 Correct 67 ms 1664 KB Output is correct
44 Correct 64 ms 1664 KB Output is correct
45 Correct 12 ms 1664 KB Output is correct
46 Correct 11 ms 1664 KB Output is correct
47 Correct 24 ms 2428 KB Output is correct
48 Correct 11 ms 1920 KB Output is correct
49 Correct 12 ms 1920 KB Output is correct
50 Correct 9 ms 1664 KB Output is correct
51 Correct 35 ms 3320 KB Output is correct
52 Correct 30 ms 2684 KB Output is correct
53 Correct 20 ms 2812 KB Output is correct
54 Correct 6 ms 1408 KB Output is correct
55 Correct 7 ms 1416 KB Output is correct
56 Correct 799 ms 2688 KB Output is correct
57 Correct 54 ms 3440 KB Output is correct
58 Correct 776 ms 1664 KB Output is correct
59 Correct 850 ms 1920 KB Output is correct
60 Correct 767 ms 1792 KB Output is correct
61 Correct 732 ms 1832 KB Output is correct
62 Correct 16 ms 2432 KB Output is correct
63 Correct 28 ms 2808 KB Output is correct
64 Correct 29 ms 2808 KB Output is correct
65 Correct 31 ms 2808 KB Output is correct
66 Correct 39 ms 3700 KB Output is correct
67 Correct 41 ms 3700 KB Output is correct