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Submission #204630

# Submission time Handle Problem Language Result Execution time Memory
204630 2020-02-26T12:19:34 Z cgiosy Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 441 ms 114416 KB 
#include <bits/stdc++.h>
using namespace std;
 
struct pii {
	int x, i;
	bool operator<(const pii b) const { return x>b.x; }
};
int main() {
	ios_base::sync_with_stdio(false);cin.tie(nullptr);
	int N, M, st=0, ed=-1;
	cin>>N>>M;
	vector<int> D(N, INT_MAX);
	vector<vector<int>> A(N);
	vector<bitset<30208>> V(N);
	for(int i=0; i<M; i++) {
		int x, m;
		cin>>x>>m;
		if(i==0) st=x;
		else if(i==1) ed=x;
		if(max(x, N-1-x)>=m && !V[x][m]) A[x].push_back(m), V[x][m]=true;
	}
 
	priority_queue<pii> q;
	q.push({0, st}); D[st]=0;
	while(q.size()) {
		auto[n,x]=q.top(); q.pop();
		if(D[x]!=n) continue;
		if(x==ed) { cout<<n; return 0; }
		for(int m:A[x]) {
			for(int i=x+m, d=n+1; i<N; i+=m, d++) if(d<D[i]) {
				D[i]=d, q.push({d, i});
				if(V[i][m]) break;
				V[i][m]=true;
			}
			for(int i=x-m, d=n+1; i>=0; i-=m, d++) if(d<D[i]) {
				D[i]=d, q.push({d, i});
				if(V[i][m]) break;
				V[i][m]=true;
			}
		}
	}
	cout<<-1;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 4 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 504 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 5 ms 760 KB Output is correct
11 Correct 6 ms 764 KB Output is correct
12 Correct 5 ms 760 KB Output is correct
13 Correct 5 ms 760 KB Output is correct
14 Correct 5 ms 760 KB Output is correct
15 Correct 5 ms 760 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 504 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 5 ms 764 KB Output is correct
11 Correct 5 ms 760 KB Output is correct
12 Correct 5 ms 760 KB Output is correct
13 Correct 5 ms 764 KB Output is correct
14 Correct 6 ms 760 KB Output is correct
15 Correct 5 ms 760 KB Output is correct
16 Correct 5 ms 1144 KB Output is correct
17 Correct 8 ms 3192 KB Output is correct
18 Correct 8 ms 6908 KB Output is correct
19 Correct 8 ms 7800 KB Output is correct
20 Correct 11 ms 7800 KB Output is correct
21 Correct 7 ms 1784 KB Output is correct
22 Correct 8 ms 7032 KB Output is correct
23 Correct 9 ms 6264 KB Output is correct
24 Correct 10 ms 7416 KB Output is correct
25 Correct 9 ms 7800 KB Output is correct
26 Correct 17 ms 7800 KB Output is correct
27 Correct 9 ms 7800 KB Output is correct
28 Correct 10 ms 7800 KB Output is correct
29 Correct 10 ms 8184 KB Output is correct
30 Correct 9 ms 7928 KB Output is correct
31 Correct 9 ms 7928 KB Output is correct
32 Correct 10 ms 7928 KB Output is correct
33 Correct 12 ms 8056 KB Output is correct
34 Correct 11 ms 8056 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 7 ms 376 KB Output is correct
5 Correct 4 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 504 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 5 ms 760 KB Output is correct
11 Correct 5 ms 760 KB Output is correct
12 Correct 6 ms 760 KB Output is correct
13 Correct 5 ms 760 KB Output is correct
14 Correct 6 ms 760 KB Output is correct
15 Correct 5 ms 764 KB Output is correct
16 Correct 5 ms 1144 KB Output is correct
17 Correct 7 ms 3196 KB Output is correct
18 Correct 9 ms 6908 KB Output is correct
19 Correct 9 ms 7800 KB Output is correct
20 Correct 11 ms 7800 KB Output is correct
21 Correct 5 ms 1788 KB Output is correct
22 Correct 8 ms 7032 KB Output is correct
23 Correct 9 ms 6264 KB Output is correct
24 Correct 9 ms 7416 KB Output is correct
25 Correct 9 ms 7800 KB Output is correct
26 Correct 9 ms 7800 KB Output is correct
27 Correct 9 ms 7800 KB Output is correct
28 Correct 9 ms 7848 KB Output is correct
29 Correct 10 ms 7928 KB Output is correct
30 Correct 9 ms 7928 KB Output is correct
31 Correct 10 ms 7932 KB Output is correct
32 Correct 9 ms 7928 KB Output is correct
33 Correct 10 ms 8056 KB Output is correct
34 Correct 12 ms 8056 KB Output is correct
35 Correct 14 ms 5880 KB Output is correct
36 Correct 8 ms 4472 KB Output is correct
37 Correct 13 ms 7800 KB Output is correct
38 Correct 16 ms 8056 KB Output is correct
39 Correct 16 ms 7928 KB Output is correct
40 Correct 16 ms 8056 KB Output is correct
41 Correct 17 ms 8056 KB Output is correct
42 Correct 14 ms 7800 KB Output is correct
43 Correct 16 ms 7800 KB Output is correct
44 Correct 16 ms 7800 KB Output is correct
45 Correct 16 ms 8184 KB Output is correct
46 Correct 15 ms 8184 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 4 ms 372 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 504 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 5 ms 760 KB Output is correct
11 Correct 5 ms 760 KB Output is correct
12 Correct 5 ms 760 KB Output is correct
13 Correct 5 ms 760 KB Output is correct
14 Correct 6 ms 760 KB Output is correct
15 Correct 5 ms 760 KB Output is correct
16 Correct 5 ms 1016 KB Output is correct
17 Correct 7 ms 3192 KB Output is correct
18 Correct 8 ms 6904 KB Output is correct
19 Correct 9 ms 7800 KB Output is correct
20 Correct 11 ms 7928 KB Output is correct
21 Correct 6 ms 1788 KB Output is correct
22 Correct 8 ms 7032 KB Output is correct
23 Correct 9 ms 6264 KB Output is correct
24 Correct 9 ms 7416 KB Output is correct
25 Correct 9 ms 7800 KB Output is correct
26 Correct 10 ms 7800 KB Output is correct
27 Correct 10 ms 7800 KB Output is correct
28 Correct 9 ms 7800 KB Output is correct
29 Correct 10 ms 8056 KB Output is correct
30 Correct 9 ms 7928 KB Output is correct
31 Correct 10 ms 7928 KB Output is correct
32 Correct 9 ms 7928 KB Output is correct
33 Correct 10 ms 8056 KB Output is correct
34 Correct 10 ms 8056 KB Output is correct
35 Correct 14 ms 5880 KB Output is correct
36 Correct 8 ms 4472 KB Output is correct
37 Correct 14 ms 7928 KB Output is correct
38 Correct 16 ms 8056 KB Output is correct
39 Correct 15 ms 7928 KB Output is correct
40 Correct 17 ms 8184 KB Output is correct
41 Correct 17 ms 8056 KB Output is correct
42 Correct 13 ms 7800 KB Output is correct
43 Correct 14 ms 7800 KB Output is correct
44 Correct 19 ms 7928 KB Output is correct
45 Correct 18 ms 8184 KB Output is correct
46 Correct 16 ms 8184 KB Output is correct
47 Correct 44 ms 47352 KB Output is correct
48 Correct 61 ms 87160 KB Output is correct
49 Correct 59 ms 95096 KB Output is correct
50 Correct 63 ms 104440 KB Output is correct
51 Correct 84 ms 113140 KB Output is correct
52 Correct 91 ms 113140 KB Output is correct
53 Correct 71 ms 112348 KB Output is correct
54 Correct 63 ms 112248 KB Output is correct
55 Correct 68 ms 112248 KB Output is correct
56 Correct 441 ms 113008 KB Output is correct
57 Correct 66 ms 112504 KB Output is correct
58 Correct 69 ms 112248 KB Output is correct
59 Correct 68 ms 112248 KB Output is correct
60 Correct 76 ms 112248 KB Output is correct
61 Correct 71 ms 112248 KB Output is correct
62 Correct 78 ms 112504 KB Output is correct
63 Correct 87 ms 113392 KB Output is correct
64 Correct 91 ms 113396 KB Output is correct
65 Correct 97 ms 114412 KB Output is correct
66 Correct 116 ms 114416 KB Output is correct
67 Correct 101 ms 114416 KB Output is correct