oj.uz

Submission #523012

# Submission time Handle Problem Language Result Execution time Memory
523012 2022-02-06T18:47:37 Z Deepesson Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 95856 KB 
#include <bits/stdc++.h>
#define MAX 31000
typedef std::pair<short,short> pii; ///Skyscraper .first, level .second
std::map<pii,std::vector<pii>> con;
typedef std::pair<pii,int> ppi;
typedef int bits;
int main()
{
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);
    std::cout.tie(0);
    std::unordered_set<bits> visitou;
    int N,M;
    std::cin>>N>>M;
    bool cachorro[N]={};
    std::vector<int> poder[N];
    int ha[M],hb[M];
    for(int i=0;i!=M;++i){
        int a,b;
        std::cin>>a>>b;
        cachorro[a]=true;
        poder[a].push_back(b);
        ha[i]=a;
        hb[i]=b;
    }
    pii origem = {ha[0],hb[0]};
    pii fim = {ha[1],hb[1]};
    std::deque<ppi> deque;
    deque.push_back({origem,0});
    int count=0;
    while(deque.size()){
        auto ___ = deque.front();
        auto __ = ___.first;
        deque.pop_front();
        if(count==2e7)break;
        if(__.first<0||__.first>=N)continue;
        if(visitou.find(*((bits*)&__))!=visitou.end())continue;
        visitou.insert(*((bits*)&__));
        ++count;
        if(__==fim){
            std::cout<<___.second<<"\n";
            return 0;
        }
        deque.push_back({{__.first+__.second,__.second},___.second+1});
        deque.push_back({{__.first-__.second,__.second},___.second+1});
        if(cachorro[__.first]){
            cachorro[__.first]=false;
            for(auto&x:poder[__.first])
            deque.push_front({{__.first,x},___.second});
        }
    }
    std::cout<<"-1\n";
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:37:27: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   37 |         if(visitou.find(*((bits*)&__))!=visitou.end())continue;
      |                          ~^~~~~~~~~~~
skyscraper.cpp:38:26: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
   38 |         visitou.insert(*((bits*)&__));
      |                         ~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 588 KB Output is correct
15 Correct 1 ms 332 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 588 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 500 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 2 ms 588 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 3 ms 1100 KB Output is correct
29 Correct 8 ms 2908 KB Output is correct
30 Correct 2 ms 972 KB Output is correct
31 Correct 5 ms 1704 KB Output is correct
32 Correct 3 ms 1484 KB Output is correct
33 Correct 17 ms 5424 KB Output is correct
34 Correct 9 ms 3036 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 2 ms 588 KB Output is correct
25 Correct 2 ms 332 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 2 ms 460 KB Output is correct
28 Correct 3 ms 1228 KB Output is correct
29 Correct 7 ms 2900 KB Output is correct
30 Correct 2 ms 972 KB Output is correct
31 Correct 4 ms 1704 KB Output is correct
32 Correct 3 ms 1484 KB Output is correct
33 Correct 16 ms 5420 KB Output is correct
34 Correct 9 ms 3036 KB Output is correct
35 Correct 9 ms 2472 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 6 ms 1484 KB Output is correct
38 Correct 7 ms 1484 KB Output is correct
39 Correct 6 ms 716 KB Output is correct
40 Correct 9 ms 972 KB Output is correct
41 Correct 6 ms 1100 KB Output is correct
42 Correct 4 ms 844 KB Output is correct
43 Correct 4 ms 1100 KB Output is correct
44 Correct 5 ms 972 KB Output is correct
45 Correct 144 ms 21396 KB Output is correct
46 Correct 47 ms 11508 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 588 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 2 ms 588 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 3 ms 1228 KB Output is correct
29 Correct 8 ms 2876 KB Output is correct
30 Correct 2 ms 972 KB Output is correct
31 Correct 4 ms 1704 KB Output is correct
32 Correct 4 ms 1484 KB Output is correct
33 Correct 15 ms 5432 KB Output is correct
34 Correct 9 ms 2980 KB Output is correct
35 Correct 9 ms 2472 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 6 ms 1496 KB Output is correct
38 Correct 7 ms 1484 KB Output is correct
39 Correct 6 ms 844 KB Output is correct
40 Correct 6 ms 972 KB Output is correct
41 Correct 6 ms 1100 KB Output is correct
42 Correct 4 ms 844 KB Output is correct
43 Correct 4 ms 1100 KB Output is correct
44 Correct 5 ms 1008 KB Output is correct
45 Correct 146 ms 21364 KB Output is correct
46 Correct 55 ms 11500 KB Output is correct
47 Correct 6 ms 1484 KB Output is correct
48 Correct 5 ms 1484 KB Output is correct
49 Correct 5 ms 1484 KB Output is correct
50 Correct 4 ms 1356 KB Output is correct
51 Correct 16 ms 4264 KB Output is correct
52 Correct 17 ms 4404 KB Output is correct
53 Correct 9 ms 2124 KB Output is correct
54 Correct 2 ms 1612 KB Output is correct
55 Correct 3 ms 2124 KB Output is correct
56 Correct 9 ms 3496 KB Output is correct
57 Correct 1 ms 1100 KB Output is correct
58 Correct 10 ms 4188 KB Output is correct
59 Correct 10 ms 3804 KB Output is correct
60 Correct 10 ms 3804 KB Output is correct
61 Correct 10 ms 3932 KB Output is correct
62 Correct 126 ms 21708 KB Output is correct
63 Execution timed out 1010 ms 95856 KB Time limit exceeded
64 Halted 0 ms 0 KB -