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Submission #243364

# Submission time Handle Problem Language Result Execution time Memory
243364 2020-07-01T00:40:55 Z Leonardo_Paes Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 205844 KB 
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
typedef pair<int,pii> pip;
#define f first
#define s second
const int maxn = 3e4+10, root = 180, inf = 0x3f3f3f3f;
int b[maxn], p[maxn], dist[maxn];
vector<int> doges[maxn];
struct HASH{
  size_t operator()(const pair<int,int>&x)const{
    return hash<long long>()(((long long)x.first)^(((long long)x.second)<<32));
  }
};
unordered_set<pii, HASH> mapa;
int main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    int n, m;
    cin >> n >> m;
    for(int i=0; i<m; i++){
        cin >> b[i] >> p[i];
        doges[b[i]].push_back(p[i]);
    }
    mapa.reserve(6000000);
    mapa.max_load_factor(0.25);
    priority_queue<pip, vector<pip>, greater<pip>> fila;
    memset(dist, inf, sizeof dist);
    fila.push({0, {b[0], p[0]}});
    while(!fila.empty()){
        int d = fila.top().f, u = fila.top().s.f, power = fila.top().s.s;
        fila.pop();
        if(mapa.count({u, power})) continue;
        mapa.insert({u, power});
        if(u + power < n) fila.push({d + 1, {u + power, power}});
        if(u - power >= 0) fila.push({d + 1, {u - power, power}});
        if(dist[u] == inf){
            dist[u] = d;
            for(auto x : doges[u]) fila.push({d, {u, x}});
        }
    }
    int ans = dist[b[1]];
    cout << (ans == inf ? -1 : ans) << "\n";
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 51712 KB Output is correct
2 Correct 41 ms 51704 KB Output is correct
3 Correct 42 ms 51712 KB Output is correct
4 Correct 37 ms 51712 KB Output is correct
5 Correct 39 ms 51704 KB Output is correct
6 Correct 36 ms 51704 KB Output is correct
7 Correct 36 ms 51704 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 51712 KB Output is correct
2 Correct 43 ms 51712 KB Output is correct
3 Correct 37 ms 51712 KB Output is correct
4 Correct 38 ms 51704 KB Output is correct
5 Correct 37 ms 51840 KB Output is correct
6 Correct 37 ms 51704 KB Output is correct
7 Correct 38 ms 51712 KB Output is correct
8 Correct 37 ms 51704 KB Output is correct
9 Correct 41 ms 51712 KB Output is correct
10 Correct 38 ms 51712 KB Output is correct
11 Correct 38 ms 51832 KB Output is correct
12 Correct 39 ms 51840 KB Output is correct
13 Correct 37 ms 51840 KB Output is correct
14 Correct 41 ms 51968 KB Output is correct
15 Correct 40 ms 51968 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 51704 KB Output is correct
2 Correct 38 ms 51712 KB Output is correct
3 Correct 42 ms 51700 KB Output is correct
4 Correct 43 ms 51704 KB Output is correct
5 Correct 37 ms 51712 KB Output is correct
6 Correct 38 ms 51712 KB Output is correct
7 Correct 38 ms 51704 KB Output is correct
8 Correct 41 ms 51712 KB Output is correct
9 Correct 37 ms 51704 KB Output is correct
10 Correct 37 ms 51712 KB Output is correct
11 Correct 39 ms 51840 KB Output is correct
12 Correct 38 ms 51840 KB Output is correct
13 Correct 42 ms 51840 KB Output is correct
14 Correct 43 ms 51968 KB Output is correct
15 Correct 42 ms 51960 KB Output is correct
16 Correct 42 ms 51704 KB Output is correct
17 Correct 43 ms 52216 KB Output is correct
18 Correct 37 ms 51712 KB Output is correct
19 Correct 38 ms 51712 KB Output is correct
20 Correct 43 ms 51840 KB Output is correct
21 Correct 37 ms 51704 KB Output is correct
22 Correct 37 ms 51712 KB Output is correct
23 Correct 42 ms 51968 KB Output is correct
24 Correct 42 ms 52096 KB Output is correct
25 Correct 40 ms 51960 KB Output is correct
26 Correct 56 ms 51960 KB Output is correct
27 Correct 40 ms 51968 KB Output is correct
28 Correct 41 ms 52472 KB Output is correct
29 Correct 57 ms 53624 KB Output is correct
30 Correct 42 ms 52224 KB Output is correct
31 Correct 51 ms 52856 KB Output is correct
32 Correct 48 ms 52480 KB Output is correct
33 Correct 85 ms 55544 KB Output is correct
34 Correct 81 ms 55544 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 51704 KB Output is correct
2 Correct 42 ms 51844 KB Output is correct
3 Correct 38 ms 51704 KB Output is correct
4 Correct 37 ms 51712 KB Output is correct
5 Correct 37 ms 51704 KB Output is correct
6 Correct 38 ms 51712 KB Output is correct
7 Correct 43 ms 51704 KB Output is correct
8 Correct 37 ms 51704 KB Output is correct
9 Correct 42 ms 51704 KB Output is correct
10 Correct 42 ms 51712 KB Output is correct
11 Correct 39 ms 51960 KB Output is correct
12 Correct 37 ms 51832 KB Output is correct
13 Correct 38 ms 51840 KB Output is correct
14 Correct 38 ms 51968 KB Output is correct
15 Correct 39 ms 51968 KB Output is correct
16 Correct 42 ms 51712 KB Output is correct
17 Correct 42 ms 52216 KB Output is correct
18 Correct 37 ms 51712 KB Output is correct
19 Correct 38 ms 51708 KB Output is correct
20 Correct 38 ms 51840 KB Output is correct
21 Correct 42 ms 51704 KB Output is correct
22 Correct 37 ms 51712 KB Output is correct
23 Correct 39 ms 51960 KB Output is correct
24 Correct 42 ms 52216 KB Output is correct
25 Correct 40 ms 51968 KB Output is correct
26 Correct 39 ms 51968 KB Output is correct
27 Correct 44 ms 52096 KB Output is correct
28 Correct 44 ms 52600 KB Output is correct
29 Correct 62 ms 53752 KB Output is correct
30 Correct 42 ms 52344 KB Output is correct
31 Correct 52 ms 52856 KB Output is correct
32 Correct 46 ms 52472 KB Output is correct
33 Correct 81 ms 55656 KB Output is correct
34 Correct 79 ms 55544 KB Output is correct
35 Correct 88 ms 55604 KB Output is correct
36 Correct 49 ms 52352 KB Output is correct
37 Correct 133 ms 57832 KB Output is correct
38 Correct 135 ms 57760 KB Output is correct
39 Correct 125 ms 57648 KB Output is correct
40 Correct 130 ms 57680 KB Output is correct
41 Correct 132 ms 57652 KB Output is correct
42 Correct 47 ms 52796 KB Output is correct
43 Correct 49 ms 52732 KB Output is correct
44 Correct 50 ms 52724 KB Output is correct
45 Correct 255 ms 67888 KB Output is correct
46 Correct 264 ms 67972 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 51712 KB Output is correct
2 Correct 39 ms 51704 KB Output is correct
3 Correct 38 ms 51704 KB Output is correct
4 Correct 41 ms 51704 KB Output is correct
5 Correct 47 ms 51704 KB Output is correct
6 Correct 37 ms 51712 KB Output is correct
7 Correct 45 ms 51704 KB Output is correct
8 Correct 42 ms 51712 KB Output is correct
9 Correct 39 ms 51712 KB Output is correct
10 Correct 42 ms 51712 KB Output is correct
11 Correct 41 ms 51832 KB Output is correct
12 Correct 41 ms 51832 KB Output is correct
13 Correct 45 ms 51832 KB Output is correct
14 Correct 39 ms 51968 KB Output is correct
15 Correct 41 ms 51968 KB Output is correct
16 Correct 41 ms 51712 KB Output is correct
17 Correct 46 ms 52216 KB Output is correct
18 Correct 37 ms 51712 KB Output is correct
19 Correct 38 ms 51712 KB Output is correct
20 Correct 42 ms 51876 KB Output is correct
21 Correct 39 ms 51712 KB Output is correct
22 Correct 38 ms 51704 KB Output is correct
23 Correct 39 ms 51968 KB Output is correct
24 Correct 47 ms 52216 KB Output is correct
25 Correct 39 ms 51968 KB Output is correct
26 Correct 40 ms 51968 KB Output is correct
27 Correct 39 ms 51960 KB Output is correct
28 Correct 42 ms 52480 KB Output is correct
29 Correct 59 ms 53624 KB Output is correct
30 Correct 44 ms 52344 KB Output is correct
31 Correct 47 ms 52864 KB Output is correct
32 Correct 45 ms 52480 KB Output is correct
33 Correct 82 ms 55544 KB Output is correct
34 Correct 82 ms 55544 KB Output is correct
35 Correct 95 ms 55604 KB Output is correct
36 Correct 51 ms 52344 KB Output is correct
37 Correct 133 ms 57904 KB Output is correct
38 Correct 125 ms 57776 KB Output is correct
39 Correct 127 ms 57648 KB Output is correct
40 Correct 135 ms 57648 KB Output is correct
41 Correct 140 ms 57776 KB Output is correct
42 Correct 52 ms 52804 KB Output is correct
43 Correct 51 ms 52796 KB Output is correct
44 Correct 46 ms 52668 KB Output is correct
45 Correct 248 ms 67888 KB Output is correct
46 Correct 259 ms 67860 KB Output is correct
47 Correct 451 ms 76208 KB Output is correct
48 Correct 44 ms 52344 KB Output is correct
49 Correct 45 ms 52344 KB Output is correct
50 Correct 42 ms 52216 KB Output is correct
51 Correct 190 ms 62584 KB Output is correct
52 Correct 198 ms 63480 KB Output is correct
53 Correct 78 ms 55288 KB Output is correct
54 Correct 39 ms 52224 KB Output is correct
55 Correct 40 ms 52480 KB Output is correct
56 Correct 51 ms 53760 KB Output is correct
57 Correct 198 ms 65376 KB Output is correct
58 Correct 60 ms 54516 KB Output is correct
59 Correct 62 ms 55412 KB Output is correct
60 Correct 73 ms 56316 KB Output is correct
61 Correct 76 ms 55772 KB Output is correct
62 Correct 135 ms 68472 KB Output is correct
63 Execution timed out 1109 ms 205844 KB Time limit exceeded
64 Halted 0 ms 0 KB -