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Submission #450378

# Submission time Handle Problem Language Result Execution time Memory
450378 2021-08-02T16:27:54 Z JovanB Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 172 ms 76668 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;

const int K = 2;
const int MAXN = 30000;

vector <pair <int, int>> graf[K*MAXN+5];
int dist[K*MAXN+5];

const int INF = 1000000000;

int gde[MAXN+5];

int main(){
    ios_base::sync_with_stdio(false), cin.tie(0);
    cout.precision(10);
    cout << fixed;

    int n, m;
    cin >> n >> m;
    for(int d=1; d<K; d++){
        for(int i=0; i<n; i++) graf[K*i+d].push_back({K*i, 0});
        for(int i=0; i+d<n; i++) graf[K*i+d].push_back({K*(i+d) + d, 1});
        for(int i=n-1; i-d>=0; i--) graf[K*i+d].push_back({K*(i-d) + d, 1});
    }
    for(int j=0; j<m; j++){
        int x, d;
        cin >> x >> d;
        gde[j] = K*x;
        if(d < K) graf[K*x].push_back({K*x+d, 0});
        else{
            for(int i=x+d; i<n; i+=d) graf[K*x].push_back({K*i, (i-x)/d});
            for(int i=x-d; i>=0; i-=d) graf[K*x].push_back({K*i, (x-i)/d});
        }
    }
    for(int i=0; i<n*K; i++) dist[i] = INF;
    dist[gde[0]] = 0;
    using T = pair <int, int>;
    priority_queue <T, vector <T>, greater <T>> q;
    q.push({0, gde[0]});
    while(!q.empty()){
        int v, dr;
        tie(dr, v) = q.top();
        q.pop();
        if(dr != dist[v]) continue;
        for(auto pr : graf[v]){
            int c = pr.first, d = pr.second;
            if(dist[c] > dist[v] + d){
                dist[c] = dist[v] + d;
                q.push({dist[c], c});
            }
        }
    }
    if(dist[gde[1]] == INF) cout << "-1\n";
    else cout << dist[gde[1]] << "\n";
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1612 KB Output is correct
2 Correct 1 ms 1612 KB Output is correct
3 Correct 1 ms 1612 KB Output is correct
4 Correct 1 ms 1612 KB Output is correct
5 Correct 1 ms 1612 KB Output is correct
6 Correct 1 ms 1612 KB Output is correct
7 Correct 2 ms 1612 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1612 KB Output is correct
2 Correct 1 ms 1612 KB Output is correct
3 Correct 1 ms 1612 KB Output is correct
4 Correct 1 ms 1612 KB Output is correct
5 Correct 1 ms 1612 KB Output is correct
6 Correct 1 ms 1612 KB Output is correct
7 Correct 1 ms 1612 KB Output is correct
8 Correct 1 ms 1612 KB Output is correct
9 Correct 1 ms 1612 KB Output is correct
10 Correct 1 ms 1740 KB Output is correct
11 Correct 2 ms 1740 KB Output is correct
12 Correct 2 ms 1740 KB Output is correct
13 Correct 2 ms 1740 KB Output is correct
14 Correct 2 ms 1740 KB Output is correct
15 Correct 2 ms 1740 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1612 KB Output is correct
2 Correct 1 ms 1612 KB Output is correct
3 Correct 1 ms 1612 KB Output is correct
4 Correct 1 ms 1612 KB Output is correct
5 Correct 1 ms 1612 KB Output is correct
6 Correct 1 ms 1612 KB Output is correct
7 Correct 1 ms 1612 KB Output is correct
8 Correct 1 ms 1612 KB Output is correct
9 Correct 1 ms 1612 KB Output is correct
10 Correct 1 ms 1740 KB Output is correct
11 Correct 2 ms 1740 KB Output is correct
12 Correct 2 ms 1740 KB Output is correct
13 Correct 1 ms 1740 KB Output is correct
14 Correct 2 ms 1740 KB Output is correct
15 Correct 2 ms 1740 KB Output is correct
16 Correct 2 ms 1792 KB Output is correct
17 Correct 3 ms 1996 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 2 ms 1868 KB Output is correct
20 Correct 2 ms 1868 KB Output is correct
21 Correct 2 ms 1740 KB Output is correct
22 Correct 2 ms 1868 KB Output is correct
23 Correct 2 ms 1868 KB Output is correct
24 Correct 3 ms 1996 KB Output is correct
25 Correct 3 ms 1868 KB Output is correct
26 Correct 2 ms 1868 KB Output is correct
27 Correct 2 ms 1868 KB Output is correct
28 Correct 3 ms 1996 KB Output is correct
29 Correct 4 ms 2508 KB Output is correct
30 Correct 2 ms 1996 KB Output is correct
31 Correct 3 ms 2252 KB Output is correct
32 Correct 3 ms 1996 KB Output is correct
33 Correct 6 ms 3252 KB Output is correct
34 Correct 7 ms 3276 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1612 KB Output is correct
2 Correct 1 ms 1612 KB Output is correct
3 Correct 1 ms 1612 KB Output is correct
4 Correct 1 ms 1612 KB Output is correct
5 Correct 1 ms 1636 KB Output is correct
6 Correct 1 ms 1612 KB Output is correct
7 Correct 2 ms 1612 KB Output is correct
8 Correct 1 ms 1740 KB Output is correct
9 Correct 1 ms 1612 KB Output is correct
10 Correct 2 ms 1740 KB Output is correct
11 Correct 2 ms 1740 KB Output is correct
12 Correct 2 ms 1740 KB Output is correct
13 Correct 2 ms 1744 KB Output is correct
14 Correct 2 ms 1740 KB Output is correct
15 Correct 2 ms 1740 KB Output is correct
16 Correct 2 ms 1740 KB Output is correct
17 Correct 2 ms 1996 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 2 ms 1868 KB Output is correct
20 Correct 3 ms 1868 KB Output is correct
21 Correct 2 ms 1740 KB Output is correct
22 Correct 2 ms 1868 KB Output is correct
23 Correct 2 ms 1868 KB Output is correct
24 Correct 3 ms 1996 KB Output is correct
25 Correct 3 ms 1868 KB Output is correct
26 Correct 2 ms 1868 KB Output is correct
27 Correct 2 ms 1868 KB Output is correct
28 Correct 2 ms 1996 KB Output is correct
29 Correct 4 ms 2636 KB Output is correct
30 Correct 2 ms 1996 KB Output is correct
31 Correct 3 ms 2252 KB Output is correct
32 Correct 2 ms 1996 KB Output is correct
33 Correct 5 ms 3276 KB Output is correct
34 Correct 6 ms 3276 KB Output is correct
35 Correct 10 ms 3236 KB Output is correct
36 Correct 3 ms 1996 KB Output is correct
37 Correct 11 ms 4812 KB Output is correct
38 Correct 13 ms 4240 KB Output is correct
39 Correct 14 ms 4300 KB Output is correct
40 Correct 14 ms 4428 KB Output is correct
41 Correct 13 ms 4300 KB Output is correct
42 Correct 7 ms 2380 KB Output is correct
43 Correct 7 ms 2252 KB Output is correct
44 Correct 7 ms 2252 KB Output is correct
45 Correct 16 ms 6796 KB Output is correct
46 Correct 15 ms 6692 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1612 KB Output is correct
2 Correct 1 ms 1612 KB Output is correct
3 Correct 1 ms 1612 KB Output is correct
4 Correct 2 ms 1612 KB Output is correct
5 Correct 1 ms 1612 KB Output is correct
6 Correct 1 ms 1612 KB Output is correct
7 Correct 1 ms 1612 KB Output is correct
8 Correct 1 ms 1612 KB Output is correct
9 Correct 2 ms 1612 KB Output is correct
10 Correct 1 ms 1744 KB Output is correct
11 Correct 2 ms 1740 KB Output is correct
12 Correct 1 ms 1740 KB Output is correct
13 Correct 2 ms 1740 KB Output is correct
14 Correct 2 ms 1740 KB Output is correct
15 Correct 2 ms 1740 KB Output is correct
16 Correct 1 ms 1740 KB Output is correct
17 Correct 2 ms 1996 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 3 ms 1868 KB Output is correct
20 Correct 2 ms 1868 KB Output is correct
21 Correct 1 ms 1740 KB Output is correct
22 Correct 2 ms 1868 KB Output is correct
23 Correct 2 ms 1868 KB Output is correct
24 Correct 3 ms 1996 KB Output is correct
25 Correct 3 ms 1868 KB Output is correct
26 Correct 2 ms 1868 KB Output is correct
27 Correct 3 ms 1868 KB Output is correct
28 Correct 3 ms 1996 KB Output is correct
29 Correct 4 ms 2508 KB Output is correct
30 Correct 2 ms 1996 KB Output is correct
31 Correct 3 ms 2252 KB Output is correct
32 Correct 2 ms 1996 KB Output is correct
33 Correct 5 ms 3276 KB Output is correct
34 Correct 6 ms 3276 KB Output is correct
35 Correct 11 ms 3236 KB Output is correct
36 Correct 3 ms 1996 KB Output is correct
37 Correct 12 ms 4768 KB Output is correct
38 Correct 13 ms 4220 KB Output is correct
39 Correct 13 ms 4388 KB Output is correct
40 Correct 13 ms 4324 KB Output is correct
41 Correct 13 ms 4300 KB Output is correct
42 Correct 7 ms 2380 KB Output is correct
43 Correct 7 ms 2252 KB Output is correct
44 Correct 7 ms 2252 KB Output is correct
45 Correct 16 ms 6732 KB Output is correct
46 Correct 16 ms 6748 KB Output is correct
47 Correct 39 ms 12704 KB Output is correct
48 Correct 16 ms 5252 KB Output is correct
49 Correct 16 ms 4684 KB Output is correct
50 Correct 12 ms 4772 KB Output is correct
51 Correct 36 ms 7120 KB Output is correct
52 Correct 42 ms 7348 KB Output is correct
53 Correct 19 ms 4172 KB Output is correct
54 Correct 8 ms 3788 KB Output is correct
55 Correct 11 ms 3788 KB Output is correct
56 Correct 21 ms 4408 KB Output is correct
57 Correct 146 ms 62676 KB Output is correct
58 Correct 14 ms 4284 KB Output is correct
59 Correct 17 ms 4872 KB Output is correct
60 Correct 17 ms 5524 KB Output is correct
61 Correct 16 ms 4680 KB Output is correct
62 Correct 26 ms 8136 KB Output is correct
63 Correct 77 ms 28016 KB Output is correct
64 Correct 87 ms 35616 KB Output is correct
65 Correct 106 ms 43096 KB Output is correct
66 Correct 172 ms 75208 KB Output is correct
67 Correct 170 ms 76668 KB Output is correct