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Submission #1016390

# Submission time Handle Problem Language Result Execution time Memory
1016390 2024-07-08T03:36:06 Z Icelast Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 249 ms 262144 KB 
#include <iostream>
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll maxn = 2*1e5+5, INF = 4e18+9;
const int B = 200;
vector<ll> dijkstra(int n, int s, vector<vector<pair<ll, ll>>> &adj){
    vector<ll> dist(n+1, INF);
    dist[s] = 0;
    vector<bool> vis(n+1, false);
    priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> pq;
    pq.push({0, s});
    while(!pq.empty()){
        ll d_u = pq.top().first;
        int u = pq.top().second;
        pq.pop();
        if(vis[u]){
            continue;
        }
        vis[u] = true;
        for(auto it : adj[u]){
            int v = it.first;
            ll w = it.second;
            if(vis[v]) continue;
            dist[v] = min(dist[v], d_u+w);
            pq.push({dist[v], v});
        }
    }
    return dist;
}
void solve(){
    int n, m;
    cin >> n >> m;
    vector<ll> b(m+1), p(m+1);
    for(int i = 1; i <= m; i++){
        cin >> b[i] >> p[i];
        b[i]++;
    }
    int c = 0;
    vector<vector<int>> cv(n+1, vector<int>(B+1));
    vector<vector<bool>> have_doge(n+1, vector<bool>(B+1, false));
    for(int i = 1; i <= m; i++){
        if(p[i] <= B){
            have_doge[b[i]][p[i]] = true;
        }
    }
    vector<pair<int, int>> dc;
    dc.push_back({-1, -1});
    for(int i = 1; i <= n; i++){
        for(int j = 0; j <= B; j++){
            c++;
            cv[i][j] = c;
            dc.push_back({i, j});
        }
    }
    int nb = c;
    auto valid = [&](int x) -> bool{
        return (x >= 1 && x <= n);
    };
    vector<vector<pair<ll, ll>>> adj(nb+1);
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= B; j++){
            int u, v;
            u = cv[i][0];
            v = cv[i][j];
            if(have_doge[i][j]){
                adj[u].push_back({v, 0});
            }
        }
    }
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= B; j++){
            int u, v;
            if(valid(i+j)){
                u = cv[i][j];
                v = cv[i+j][0];
                adj[u].push_back({v, 1});
                v = cv[i+j][j];
                adj[u].push_back({v, 1});
            }
            if(valid(i-j)){
                u = cv[i][j];
                v = cv[i-j][0];
                adj[u].push_back({v, 1});
                v = cv[i-j][j];
                adj[u].push_back({v, 1});
            }
        }
    }
    for(int i = 1; i <= m; i++){
        int pos, u, v;
        pos = b[i];
        if(p[i] <= B) continue;
        for(int j = -B; j <= B; j++){
            if(valid(pos+j*p[i]) && j != 0){
                u = cv[pos][0];
                v = cv[pos+j*p[i]][0];
                adj[u].push_back({v, abs(j)});
            }
        }
    }
    for(int j = 1; j <= n; j++){
        if(abs(b[1]-j)%p[1] == 0){
            ll w = abs(b[1]-j)/p[1];
            adj[0].push_back({cv[j][0], w});
        }
    }
    int S = 0, T = cv[b[2]][0];
    vector<ll> dist = dijkstra(nb, S, adj);
    ll ans = dist[T];
    if(ans == INF){
        ans = -1;
    }
    cout << ans;
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    solve();
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 456 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 684 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 2 ms 1768 KB Output is correct
11 Correct 2 ms 1752 KB Output is correct
12 Correct 2 ms 1756 KB Output is correct
13 Correct 2 ms 1756 KB Output is correct
14 Correct 3 ms 1756 KB Output is correct
15 Correct 2 ms 1756 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 684 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 2 ms 1752 KB Output is correct
11 Correct 2 ms 1756 KB Output is correct
12 Correct 2 ms 1752 KB Output is correct
13 Correct 2 ms 1616 KB Output is correct
14 Correct 2 ms 1756 KB Output is correct
15 Correct 2 ms 1876 KB Output is correct
16 Correct 5 ms 3796 KB Output is correct
17 Correct 21 ms 17472 KB Output is correct
18 Correct 38 ms 41864 KB Output is correct
19 Correct 49 ms 48056 KB Output is correct
20 Correct 43 ms 48328 KB Output is correct
21 Correct 10 ms 8664 KB Output is correct
22 Correct 41 ms 43216 KB Output is correct
23 Correct 36 ms 39616 KB Output is correct
24 Correct 47 ms 45756 KB Output is correct
25 Correct 48 ms 48568 KB Output is correct
26 Correct 47 ms 48056 KB Output is correct
27 Correct 46 ms 48052 KB Output is correct
28 Correct 53 ms 48060 KB Output is correct
29 Correct 53 ms 48056 KB Output is correct
30 Correct 48 ms 48056 KB Output is correct
31 Correct 52 ms 48236 KB Output is correct
32 Correct 47 ms 49084 KB Output is correct
33 Correct 59 ms 48308 KB Output is correct
34 Correct 62 ms 48308 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 2 ms 1752 KB Output is correct
11 Correct 2 ms 2012 KB Output is correct
12 Correct 1 ms 1752 KB Output is correct
13 Correct 1 ms 1756 KB Output is correct
14 Correct 2 ms 1756 KB Output is correct
15 Correct 2 ms 1756 KB Output is correct
16 Correct 4 ms 3796 KB Output is correct
17 Correct 18 ms 17356 KB Output is correct
18 Correct 38 ms 42692 KB Output is correct
19 Correct 46 ms 48112 KB Output is correct
20 Correct 45 ms 48572 KB Output is correct
21 Correct 8 ms 8660 KB Output is correct
22 Correct 39 ms 43972 KB Output is correct
23 Correct 39 ms 38896 KB Output is correct
24 Correct 48 ms 45752 KB Output is correct
25 Correct 48 ms 48060 KB Output is correct
26 Correct 43 ms 48564 KB Output is correct
27 Correct 42 ms 48824 KB Output is correct
28 Correct 49 ms 48820 KB Output is correct
29 Correct 51 ms 48312 KB Output is correct
30 Correct 55 ms 48568 KB Output is correct
31 Correct 51 ms 48056 KB Output is correct
32 Correct 52 ms 48052 KB Output is correct
33 Correct 64 ms 48276 KB Output is correct
34 Correct 58 ms 48564 KB Output is correct
35 Correct 48 ms 37312 KB Output is correct
36 Correct 27 ms 26064 KB Output is correct
37 Correct 85 ms 49996 KB Output is correct
38 Correct 76 ms 50676 KB Output is correct
39 Correct 85 ms 50616 KB Output is correct
40 Correct 86 ms 51232 KB Output is correct
41 Correct 84 ms 51280 KB Output is correct
42 Correct 53 ms 48828 KB Output is correct
43 Correct 55 ms 48828 KB Output is correct
44 Correct 52 ms 48828 KB Output is correct
45 Correct 132 ms 55064 KB Output is correct
46 Correct 122 ms 55224 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 456 KB Output is correct
7 Correct 1 ms 452 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 2 ms 1748 KB Output is correct
11 Correct 2 ms 1756 KB Output is correct
12 Correct 1 ms 1756 KB Output is correct
13 Correct 1 ms 1752 KB Output is correct
14 Correct 2 ms 1832 KB Output is correct
15 Correct 3 ms 1752 KB Output is correct
16 Correct 4 ms 3796 KB Output is correct
17 Correct 21 ms 17356 KB Output is correct
18 Correct 43 ms 41936 KB Output is correct
19 Correct 48 ms 48620 KB Output is correct
20 Correct 56 ms 48740 KB Output is correct
21 Correct 10 ms 8660 KB Output is correct
22 Correct 46 ms 43704 KB Output is correct
23 Correct 40 ms 39616 KB Output is correct
24 Correct 43 ms 46004 KB Output is correct
25 Correct 65 ms 48188 KB Output is correct
26 Correct 56 ms 48052 KB Output is correct
27 Correct 51 ms 48000 KB Output is correct
28 Correct 55 ms 48052 KB Output is correct
29 Correct 59 ms 48064 KB Output is correct
30 Correct 52 ms 48820 KB Output is correct
31 Correct 56 ms 48268 KB Output is correct
32 Correct 52 ms 48308 KB Output is correct
33 Correct 67 ms 48312 KB Output is correct
34 Correct 72 ms 48312 KB Output is correct
35 Correct 56 ms 37052 KB Output is correct
36 Correct 30 ms 26044 KB Output is correct
37 Correct 89 ms 49632 KB Output is correct
38 Correct 89 ms 50580 KB Output is correct
39 Correct 83 ms 50620 KB Output is correct
40 Correct 85 ms 51068 KB Output is correct
41 Correct 84 ms 51188 KB Output is correct
42 Correct 60 ms 48744 KB Output is correct
43 Correct 53 ms 48820 KB Output is correct
44 Correct 54 ms 48708 KB Output is correct
45 Correct 124 ms 54888 KB Output is correct
46 Correct 128 ms 54972 KB Output is correct
47 Runtime error 249 ms 262144 KB Execution killed with signal 9
48 Halted 0 ms 0 KB -