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Submission #1110672

# Submission time Handle Problem Language Result Execution time Memory
1110672 2024-11-10T07:33:55 Z phong Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 660 ms 11464 KB 
#pragma GCC optimize("O3")

#include<bits/stdc++.h>

#define ll long long
const int nmax = 1e5 + 5, N = 5e5 * 2;
const ll oo = 1e18;
const int lg = 19, M = 4e3;
#define pii pair<ll, ll>
#define fi first
#define se second
#define endl "\n"
#define debug(a, n) for(int i = 1; i <= n; ++i) cout << a[i] << ' ';cout << endl
using namespace std;

int n, m;
pii a[nmax];
vector<int> adj[nmax];
ll dp[nmax];

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
//    freopen("code.inp", "r", stdin);
//    freopen("code.out", "w", stdout);
    cin >> n >> m;
    for(int i = 0; i < m; ++i){
        cin >> a[i].fi >> a[i].se;
        adj[a[i].fi].push_back(a[i].se);
    }
	priority_queue<pii, vector<pii>, greater<>> q;
    memset(dp, 0x3f, sizeof dp);
    dp[a[0].fi] = 0;
    q.push({0, a[0].fi});
    while(q.size()){
        pii tmp = q.top();q.pop();
        int u = tmp.se;
        if(dp[u] != tmp.fi) continue;
        for(auto &pw : adj[u]){
            int w = tmp.fi;
            for(int v = u + pw; v < n; v += pw){
                if (dp[v] > ++w){
                    dp[v] = w;
                    q.push({dp[v], v});
                }
            }
            w = tmp.fi;
            for(int v = u - pw; v >= 0; v -= pw){
                if (dp[v] > ++w){
                    dp[v] = w;
                    q.push({dp[v], v});
                }
            }
        }
    }
//    debug(dp, n);
    if(dp[a[1].fi] < dp[n]) cout << dp[a[1].fi];
    else cout << -1;
}
/*
*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4688 KB Output is correct
2 Correct 1 ms 4688 KB Output is correct
3 Correct 2 ms 4700 KB Output is correct
4 Correct 1 ms 4688 KB Output is correct
5 Correct 2 ms 4688 KB Output is correct
6 Correct 2 ms 4688 KB Output is correct
7 Correct 2 ms 4688 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4688 KB Output is correct
2 Correct 2 ms 4688 KB Output is correct
3 Correct 2 ms 4688 KB Output is correct
4 Correct 1 ms 4688 KB Output is correct
5 Correct 2 ms 4688 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 2 ms 4688 KB Output is correct
8 Correct 2 ms 4688 KB Output is correct
9 Correct 2 ms 4688 KB Output is correct
10 Correct 2 ms 4688 KB Output is correct
11 Correct 2 ms 4688 KB Output is correct
12 Correct 2 ms 4688 KB Output is correct
13 Correct 2 ms 4688 KB Output is correct
14 Correct 2 ms 4688 KB Output is correct
15 Correct 3 ms 4860 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4688 KB Output is correct
2 Correct 2 ms 4688 KB Output is correct
3 Correct 2 ms 4688 KB Output is correct
4 Correct 2 ms 4688 KB Output is correct
5 Correct 2 ms 4688 KB Output is correct
6 Correct 2 ms 4540 KB Output is correct
7 Correct 2 ms 4688 KB Output is correct
8 Correct 2 ms 4688 KB Output is correct
9 Correct 2 ms 4688 KB Output is correct
10 Correct 2 ms 4688 KB Output is correct
11 Correct 2 ms 4788 KB Output is correct
12 Correct 2 ms 4688 KB Output is correct
13 Correct 2 ms 4688 KB Output is correct
14 Correct 2 ms 4580 KB Output is correct
15 Correct 2 ms 4688 KB Output is correct
16 Correct 2 ms 4688 KB Output is correct
17 Correct 3 ms 4688 KB Output is correct
18 Correct 2 ms 4688 KB Output is correct
19 Correct 2 ms 4940 KB Output is correct
20 Correct 5 ms 4688 KB Output is correct
21 Correct 2 ms 4688 KB Output is correct
22 Correct 2 ms 4688 KB Output is correct
23 Correct 2 ms 4688 KB Output is correct
24 Correct 3 ms 4688 KB Output is correct
25 Correct 2 ms 4688 KB Output is correct
26 Correct 4 ms 4688 KB Output is correct
27 Correct 4 ms 4584 KB Output is correct
28 Correct 2 ms 4688 KB Output is correct
29 Correct 4 ms 4944 KB Output is correct
30 Correct 3 ms 4944 KB Output is correct
31 Correct 3 ms 4944 KB Output is correct
32 Correct 2 ms 5112 KB Output is correct
33 Correct 4 ms 5076 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4688 KB Output is correct
2 Correct 2 ms 4688 KB Output is correct
3 Correct 2 ms 4744 KB Output is correct
4 Correct 2 ms 4688 KB Output is correct
5 Correct 2 ms 4688 KB Output is correct
6 Correct 3 ms 4688 KB Output is correct
7 Correct 2 ms 4856 KB Output is correct
8 Correct 2 ms 4856 KB Output is correct
9 Correct 2 ms 4688 KB Output is correct
10 Correct 2 ms 4688 KB Output is correct
11 Correct 2 ms 4688 KB Output is correct
12 Correct 2 ms 4688 KB Output is correct
13 Correct 2 ms 4688 KB Output is correct
14 Correct 2 ms 4688 KB Output is correct
15 Correct 2 ms 4688 KB Output is correct
16 Correct 3 ms 4860 KB Output is correct
17 Correct 3 ms 4688 KB Output is correct
18 Correct 2 ms 4688 KB Output is correct
19 Correct 2 ms 4688 KB Output is correct
20 Correct 4 ms 4856 KB Output is correct
21 Correct 2 ms 4688 KB Output is correct
22 Correct 2 ms 4688 KB Output is correct
23 Correct 2 ms 4688 KB Output is correct
24 Correct 2 ms 4688 KB Output is correct
25 Correct 3 ms 4688 KB Output is correct
26 Correct 5 ms 4688 KB Output is correct
27 Correct 4 ms 4688 KB Output is correct
28 Correct 2 ms 4688 KB Output is correct
29 Correct 3 ms 4944 KB Output is correct
30 Correct 2 ms 4956 KB Output is correct
31 Correct 2 ms 4944 KB Output is correct
32 Correct 2 ms 4944 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 5 ms 5200 KB Output is correct
36 Correct 2 ms 4688 KB Output is correct
37 Correct 7 ms 5120 KB Output is correct
38 Correct 8 ms 4944 KB Output is correct
39 Correct 8 ms 5200 KB Output is correct
40 Correct 6 ms 5200 KB Output is correct
41 Correct 6 ms 5368 KB Output is correct
42 Correct 45 ms 5200 KB Output is correct
43 Correct 53 ms 5200 KB Output is correct
44 Correct 45 ms 5200 KB Output is correct
45 Correct 7 ms 5456 KB Output is correct
46 Correct 7 ms 5152 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4688 KB Output is correct
2 Correct 2 ms 4688 KB Output is correct
3 Correct 2 ms 4688 KB Output is correct
4 Correct 2 ms 4872 KB Output is correct
5 Correct 2 ms 4688 KB Output is correct
6 Correct 2 ms 4688 KB Output is correct
7 Correct 2 ms 4688 KB Output is correct
8 Correct 2 ms 4688 KB Output is correct
9 Correct 3 ms 4688 KB Output is correct
10 Correct 2 ms 4688 KB Output is correct
11 Correct 2 ms 4688 KB Output is correct
12 Correct 2 ms 4688 KB Output is correct
13 Correct 2 ms 4688 KB Output is correct
14 Correct 2 ms 4688 KB Output is correct
15 Correct 2 ms 4688 KB Output is correct
16 Correct 2 ms 4688 KB Output is correct
17 Correct 3 ms 4688 KB Output is correct
18 Correct 2 ms 4688 KB Output is correct
19 Correct 2 ms 4688 KB Output is correct
20 Correct 5 ms 4688 KB Output is correct
21 Correct 2 ms 4688 KB Output is correct
22 Correct 2 ms 4688 KB Output is correct
23 Correct 2 ms 4688 KB Output is correct
24 Correct 3 ms 4688 KB Output is correct
25 Correct 3 ms 4856 KB Output is correct
26 Correct 4 ms 4688 KB Output is correct
27 Correct 4 ms 4688 KB Output is correct
28 Correct 2 ms 4688 KB Output is correct
29 Correct 3 ms 4944 KB Output is correct
30 Correct 2 ms 5112 KB Output is correct
31 Correct 2 ms 4944 KB Output is correct
32 Correct 2 ms 4944 KB Output is correct
33 Correct 4 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 6 ms 5200 KB Output is correct
36 Correct 2 ms 4688 KB Output is correct
37 Correct 5 ms 5200 KB Output is correct
38 Correct 7 ms 5352 KB Output is correct
39 Correct 7 ms 5112 KB Output is correct
40 Correct 7 ms 5380 KB Output is correct
41 Correct 11 ms 4944 KB Output is correct
42 Correct 44 ms 5200 KB Output is correct
43 Correct 56 ms 5200 KB Output is correct
44 Correct 45 ms 5200 KB Output is correct
45 Correct 6 ms 5456 KB Output is correct
46 Correct 7 ms 5472 KB Output is correct
47 Correct 15 ms 6344 KB Output is correct
48 Correct 6 ms 5200 KB Output is correct
49 Correct 6 ms 5200 KB Output is correct
50 Correct 4 ms 5200 KB Output is correct
51 Correct 22 ms 8644 KB Output is correct
52 Correct 20 ms 6612 KB Output is correct
53 Correct 12 ms 6344 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 4 ms 5076 KB Output is correct
56 Correct 566 ms 6396 KB Output is correct
57 Correct 40 ms 10944 KB Output is correct
58 Correct 431 ms 5324 KB Output is correct
59 Correct 660 ms 5456 KB Output is correct
60 Correct 471 ms 5456 KB Output is correct
61 Correct 537 ms 5200 KB Output is correct
62 Correct 8 ms 5968 KB Output is correct
63 Correct 27 ms 8188 KB Output is correct
64 Correct 26 ms 11456 KB Output is correct
65 Correct 31 ms 11464 KB Output is correct
66 Correct 42 ms 11212 KB Output is correct
67 Correct 42 ms 11456 KB Output is correct