oj.uz

Submission #304733

# Submission time Handle Problem Language Result Execution time Memory
304733 2020-09-21T19:53:34 Z rocks03 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 687 ms 3956 KB 
#include<bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ff first
#define ss second
#define pb push_back
#define SZ(x) ((int) (x).size())
using namespace std;

const int MAXN = 3e4+100;
int N, M, S, E, B[MAXN], P[MAXN];
vector<int> adj[MAXN];

void read(){
    cin >> N >> M;
    for(int i = 0; i < M; i++){
        cin >> B[i] >> P[i];
        adj[B[i]].pb(P[i]);
    }
    S = B[0], E = B[1];
}

void solve(){
    read();
    vector<int> dp(N, INT_MAX);
    priority_queue<pii, vector<pii>, greater<pii>> pq;
    pq.push({0, S});
    dp[S] = 0;
    while(!pq.empty()){
        int dist = pq.top().ff;
        int v = pq.top().ss;
        pq.pop();
        if(dp[v] < dist){
            continue;
        }
        if(v == E) break;
        for(auto p : adj[v]){
            for(int u = v + p, w = 1; u < N; u += p, w++){
                if(dp[u] > dp[v] + w){
                    dp[u] = dp[v] + w;
                    pq.push({dp[u], u});
                }
            }
            for(int u = v - p, w = 1; u >= 0; u -= p, w++){
                if(dp[u] > dp[v] + w){
                    dp[u] = dp[v] + w;
                    pq.push({dp[u], u});
                }
            }
        }
    }
    if(dp[E] == INT_MAX){
        dp[E] = -1;
    }
    cout << dp[E];
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    solve();
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 1 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 1024 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 1 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 1024 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 1 ms 1024 KB Output is correct
11 Correct 1 ms 1152 KB Output is correct
12 Correct 1 ms 1024 KB Output is correct
13 Correct 1 ms 1024 KB Output is correct
14 Correct 1 ms 1152 KB Output is correct
15 Correct 1 ms 1024 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 1 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 1024 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 1 ms 1024 KB Output is correct
11 Correct 1 ms 1024 KB Output is correct
12 Correct 1 ms 1024 KB Output is correct
13 Correct 1 ms 1024 KB Output is correct
14 Correct 1 ms 1024 KB Output is correct
15 Correct 1 ms 1152 KB Output is correct
16 Correct 1 ms 1024 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 1 ms 1152 KB Output is correct
19 Correct 1 ms 1024 KB Output is correct
20 Correct 4 ms 1152 KB Output is correct
21 Correct 1 ms 1024 KB Output is correct
22 Correct 1 ms 1024 KB Output is correct
23 Correct 1 ms 1152 KB Output is correct
24 Correct 2 ms 1152 KB Output is correct
25 Correct 1 ms 1152 KB Output is correct
26 Correct 1 ms 1152 KB Output is correct
27 Correct 1 ms 1152 KB Output is correct
28 Correct 1 ms 1152 KB Output is correct
29 Correct 3 ms 1280 KB Output is correct
30 Correct 2 ms 1152 KB Output is correct
31 Correct 2 ms 1152 KB Output is correct
32 Correct 2 ms 1152 KB Output is correct
33 Correct 3 ms 1280 KB Output is correct
34 Correct 3 ms 1280 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 1 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 1024 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 1 ms 1024 KB Output is correct
11 Correct 1 ms 1152 KB Output is correct
12 Correct 1 ms 1024 KB Output is correct
13 Correct 1 ms 1024 KB Output is correct
14 Correct 1 ms 1024 KB Output is correct
15 Correct 1 ms 1024 KB Output is correct
16 Correct 1 ms 1024 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 2 ms 1152 KB Output is correct
19 Correct 1 ms 1024 KB Output is correct
20 Correct 6 ms 1152 KB Output is correct
21 Correct 1 ms 1024 KB Output is correct
22 Correct 1 ms 1024 KB Output is correct
23 Correct 1 ms 1152 KB Output is correct
24 Correct 2 ms 1152 KB Output is correct
25 Correct 2 ms 1152 KB Output is correct
26 Correct 1 ms 1152 KB Output is correct
27 Correct 1 ms 1152 KB Output is correct
28 Correct 1 ms 1152 KB Output is correct
29 Correct 3 ms 1280 KB Output is correct
30 Correct 2 ms 1152 KB Output is correct
31 Correct 2 ms 1152 KB Output is correct
32 Correct 2 ms 1152 KB Output is correct
33 Correct 3 ms 1280 KB Output is correct
34 Correct 3 ms 1280 KB Output is correct
35 Correct 7 ms 1612 KB Output is correct
36 Correct 2 ms 1152 KB Output is correct
37 Correct 6 ms 1536 KB Output is correct
38 Correct 8 ms 1664 KB Output is correct
39 Correct 7 ms 1536 KB Output is correct
40 Correct 8 ms 1536 KB Output is correct
41 Correct 9 ms 1664 KB Output is correct
42 Correct 6 ms 1536 KB Output is correct
43 Correct 5 ms 1536 KB Output is correct
44 Correct 45 ms 1536 KB Output is correct
45 Correct 8 ms 1664 KB Output is correct
46 Correct 7 ms 1664 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 1 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 1024 KB Output is correct
7 Correct 1 ms 1024 KB Output is correct
8 Correct 1 ms 1024 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 1 ms 1024 KB Output is correct
11 Correct 1 ms 1024 KB Output is correct
12 Correct 1 ms 1024 KB Output is correct
13 Correct 1 ms 1024 KB Output is correct
14 Correct 1 ms 1152 KB Output is correct
15 Correct 1 ms 1152 KB Output is correct
16 Correct 1 ms 1024 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 1 ms 1024 KB Output is correct
19 Correct 1 ms 1024 KB Output is correct
20 Correct 4 ms 1152 KB Output is correct
21 Correct 1 ms 1024 KB Output is correct
22 Correct 1 ms 1024 KB Output is correct
23 Correct 1 ms 1152 KB Output is correct
24 Correct 2 ms 1152 KB Output is correct
25 Correct 2 ms 1152 KB Output is correct
26 Correct 1 ms 1152 KB Output is correct
27 Correct 1 ms 1152 KB Output is correct
28 Correct 2 ms 1152 KB Output is correct
29 Correct 3 ms 1280 KB Output is correct
30 Correct 1 ms 1152 KB Output is correct
31 Correct 2 ms 1152 KB Output is correct
32 Correct 2 ms 1152 KB Output is correct
33 Correct 3 ms 1280 KB Output is correct
34 Correct 3 ms 1280 KB Output is correct
35 Correct 7 ms 1536 KB Output is correct
36 Correct 2 ms 1152 KB Output is correct
37 Correct 6 ms 1536 KB Output is correct
38 Correct 8 ms 1672 KB Output is correct
39 Correct 7 ms 1536 KB Output is correct
40 Correct 7 ms 1536 KB Output is correct
41 Correct 8 ms 1664 KB Output is correct
42 Correct 5 ms 1536 KB Output is correct
43 Correct 6 ms 1536 KB Output is correct
44 Correct 45 ms 1664 KB Output is correct
45 Correct 8 ms 1664 KB Output is correct
46 Correct 7 ms 1664 KB Output is correct
47 Correct 10 ms 2300 KB Output is correct
48 Correct 7 ms 1792 KB Output is correct
49 Correct 7 ms 1792 KB Output is correct
50 Correct 5 ms 1664 KB Output is correct
51 Correct 17 ms 3192 KB Output is correct
52 Correct 17 ms 2684 KB Output is correct
53 Correct 10 ms 2184 KB Output is correct
54 Correct 2 ms 1408 KB Output is correct
55 Correct 3 ms 1408 KB Output is correct
56 Correct 650 ms 2688 KB Output is correct
57 Correct 3 ms 1916 KB Output is correct
58 Correct 687 ms 1792 KB Output is correct
59 Correct 8 ms 1792 KB Output is correct
60 Correct 8 ms 1792 KB Output is correct
61 Correct 8 ms 1792 KB Output is correct
62 Correct 12 ms 2432 KB Output is correct
63 Correct 33 ms 2808 KB Output is correct
64 Correct 34 ms 3828 KB Output is correct
65 Correct 41 ms 3828 KB Output is correct
66 Correct 57 ms 3956 KB Output is correct
67 Correct 44 ms 3828 KB Output is correct