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Submission #1019150

# Submission time Handle Problem Language Result Execution time Memory
1019150 2024-07-10T14:16:43 Z amine_aroua Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 53184 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx2")
using namespace std;
#define int long long
signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n , m;
    cin>>n>>m;
    int sz = (int)sqrt(n);
    vector<vector<int>> p(n);
    vector<vector<int>> dist(n , vector<int>(sz +1 , LLONG_MAX));
    vector<vector<bool>> vis(n , vector<bool>(sz + 1 , 0));
    priority_queue<tuple<int ,int , int>, vector<tuple<int ,int , int>> , greater<tuple<int,int ,int>>> q;
    int trg = 0;
    for(int i = 0 ; i < m; i++)
    {
        int a , b;
        cin>>a>>b;
        if(i == 0)
        {
            dist[a][0] = 0;
            q.push({0 , a , 0});
        }
        if(i == 1)
        {
            trg = a;
        }
        p[a].push_back(b);
    }
    while(!q.empty())
    {
        auto [d , tp , last] = q.top();
        q.pop();
        if(vis[tp][last])
            continue;
        vis[tp][last] = 1;
        vector<int> all = p[tp];
        all.push_back(last);
        for(auto P : all)
        {
            if(P == 0)
                continue;
            if(P > sz)
            {
                for(int k = 1 ; tp + k * P < n ; k++)
                {
                    if(dist[k * P + tp][0] > dist[tp][last] + k)
                    {
                        dist[k * P + tp][0] = dist[tp][last] + k;
                        q.push({dist[k * P + tp][0] , k * P + tp , 0});
                    }
                }
                for(int k = 1 ; tp - k * P >= 0 ; k++)
                {
                    if(dist[tp - k * P][0] > dist[tp][last] + k)
                    {
                        dist[tp - k * P][0] = dist[tp][last] + k;
                        q.push({dist[tp - k * P][0] , tp - k * P , 0});
                    }
                }
            }
            else
            {
                if(P + tp < n)
                {
                    if(dist[P + tp][P] > dist[tp][last] + 1)
                    {
                        dist[P + tp][P] = dist[tp][last] + 1;
                        q.push({dist[P + tp][P] , P + tp , P});
                    }
                }
                if(tp - P >= 0)
                {
                    if(dist[tp - P][P] > dist[tp][last] + 1)
                    {
                        dist[tp - P][P] = dist[tp][last] + 1;
                        q.push({dist[tp - P][P] , tp - P , P});
                    }
                }
            }
        }
    }
    int mn = LLONG_MAX;
    for(int i = 0 ; i <= sz ; i++)
    {
        mn = min(mn , dist[trg][i]);
    }
    cout<<(mn == LLONG_MAX ? -1 : mn);
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 348 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 1 ms 348 KB Output is correct
5 Correct 0 ms 452 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 476 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1368 KB Output is correct
20 Correct 1 ms 1372 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 2 ms 1212 KB Output is correct
24 Correct 3 ms 1372 KB Output is correct
25 Correct 2 ms 1336 KB Output is correct
26 Correct 2 ms 1488 KB Output is correct
27 Correct 1 ms 1372 KB Output is correct
28 Correct 2 ms 1492 KB Output is correct
29 Correct 7 ms 1368 KB Output is correct
30 Correct 3 ms 1372 KB Output is correct
31 Correct 5 ms 1372 KB Output is correct
32 Correct 2 ms 1372 KB Output is correct
33 Correct 16 ms 1628 KB Output is correct
34 Correct 13 ms 1628 KB Output is correct

Subtask #4
21.0 / 21.0

# 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 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 0 ms 456 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1372 KB Output is correct
20 Correct 1 ms 1372 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 2 ms 1116 KB Output is correct
24 Correct 2 ms 1372 KB Output is correct
25 Correct 2 ms 1372 KB Output is correct
26 Correct 2 ms 1372 KB Output is correct
27 Correct 1 ms 1372 KB Output is correct
28 Correct 2 ms 1372 KB Output is correct
29 Correct 7 ms 1372 KB Output is correct
30 Correct 2 ms 1372 KB Output is correct
31 Correct 4 ms 1372 KB Output is correct
32 Correct 3 ms 1624 KB Output is correct
33 Correct 13 ms 1628 KB Output is correct
34 Correct 14 ms 1628 KB Output is correct
35 Correct 18 ms 1828 KB Output is correct
36 Correct 3 ms 860 KB Output is correct
37 Correct 22 ms 2020 KB Output is correct
38 Correct 23 ms 2396 KB Output is correct
39 Correct 24 ms 2076 KB Output is correct
40 Correct 23 ms 2136 KB Output is correct
41 Correct 22 ms 2304 KB Output is correct
42 Correct 5 ms 2312 KB Output is correct
43 Correct 4 ms 2312 KB Output is correct
44 Correct 4 ms 2252 KB Output is correct
45 Correct 41 ms 2324 KB Output is correct
46 Correct 41 ms 2328 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 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1372 KB Output is correct
20 Correct 1 ms 1492 KB Output is correct
21 Correct 0 ms 604 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 2 ms 1116 KB Output is correct
24 Correct 3 ms 1368 KB Output is correct
25 Correct 2 ms 1372 KB Output is correct
26 Correct 3 ms 1492 KB Output is correct
27 Correct 1 ms 1372 KB Output is correct
28 Correct 2 ms 1372 KB Output is correct
29 Correct 6 ms 1372 KB Output is correct
30 Correct 2 ms 1372 KB Output is correct
31 Correct 5 ms 1372 KB Output is correct
32 Correct 2 ms 1372 KB Output is correct
33 Correct 13 ms 1628 KB Output is correct
34 Correct 13 ms 1624 KB Output is correct
35 Correct 14 ms 1628 KB Output is correct
36 Correct 4 ms 860 KB Output is correct
37 Correct 22 ms 2024 KB Output is correct
38 Correct 24 ms 2392 KB Output is correct
39 Correct 22 ms 2304 KB Output is correct
40 Correct 22 ms 2140 KB Output is correct
41 Correct 22 ms 2308 KB Output is correct
42 Correct 4 ms 2312 KB Output is correct
43 Correct 4 ms 2480 KB Output is correct
44 Correct 4 ms 2304 KB Output is correct
45 Correct 41 ms 2328 KB Output is correct
46 Correct 41 ms 2328 KB Output is correct
47 Correct 131 ms 14424 KB Output is correct
48 Correct 18 ms 31832 KB Output is correct
49 Correct 19 ms 36188 KB Output is correct
50 Correct 21 ms 41308 KB Output is correct
51 Correct 78 ms 46924 KB Output is correct
52 Correct 78 ms 47192 KB Output is correct
53 Correct 33 ms 46240 KB Output is correct
54 Correct 27 ms 45144 KB Output is correct
55 Correct 21 ms 45144 KB Output is correct
56 Correct 27 ms 46424 KB Output is correct
57 Correct 96 ms 45404 KB Output is correct
58 Correct 27 ms 46160 KB Output is correct
59 Correct 28 ms 46180 KB Output is correct
60 Correct 36 ms 46180 KB Output is correct
61 Correct 32 ms 46248 KB Output is correct
62 Correct 63 ms 46428 KB Output is correct
63 Correct 68 ms 49864 KB Output is correct
64 Correct 61 ms 49096 KB Output is correct
65 Correct 791 ms 49096 KB Output is correct
66 Execution timed out 1043 ms 53184 KB Time limit exceeded
67 Halted 0 ms 0 KB -