답안 #204625

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
204625 2020-02-26T12:08:51 Z cgiosy Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
266 ms 2800 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);
	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) A[x].push_back(m);
	}
	for(int i=0; i<N; i++) {
		sort(rbegin(A[i]), rend(A[i]));
		A[i].erase(unique(begin(A[i]), end(A[i])), end(A[i]));
	}

	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(binary_search(rbegin(A[i]), rend(A[i]), m)) break;
			}
			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(binary_search(rbegin(A[i]), rend(A[i]), m)) break;
			}
		}
	}
	cout<<-1;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 4 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
# 결과 실행 시간 메모리 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 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 6 ms 376 KB Output is correct
12 Correct 5 ms 380 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 6 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
# 결과 실행 시간 메모리 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 4 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 392 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 380 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 7 ms 504 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 6 ms 376 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 6 ms 376 KB Output is correct
29 Correct 6 ms 504 KB Output is correct
30 Correct 5 ms 504 KB Output is correct
31 Correct 5 ms 504 KB Output is correct
32 Correct 5 ms 504 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 6 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 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 6 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 6 ms 504 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 380 KB Output is correct
20 Correct 6 ms 504 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 380 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 6 ms 504 KB Output is correct
30 Correct 5 ms 504 KB Output is correct
31 Correct 6 ms 504 KB Output is correct
32 Correct 6 ms 504 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
35 Correct 11 ms 760 KB Output is correct
36 Correct 6 ms 504 KB Output is correct
37 Correct 10 ms 760 KB Output is correct
38 Correct 12 ms 888 KB Output is correct
39 Correct 12 ms 888 KB Output is correct
40 Correct 13 ms 888 KB Output is correct
41 Correct 13 ms 888 KB Output is correct
42 Correct 10 ms 888 KB Output is correct
43 Correct 10 ms 888 KB Output is correct
44 Correct 14 ms 888 KB Output is correct
45 Correct 13 ms 888 KB Output is correct
46 Correct 12 ms 892 KB Output is correct
# 결과 실행 시간 메모리 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 380 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 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 6 ms 504 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 7 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 6 ms 376 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 6 ms 504 KB Output is correct
30 Correct 5 ms 504 KB Output is correct
31 Correct 6 ms 504 KB Output is correct
32 Correct 6 ms 504 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 508 KB Output is correct
35 Correct 12 ms 888 KB Output is correct
36 Correct 6 ms 504 KB Output is correct
37 Correct 10 ms 760 KB Output is correct
38 Correct 13 ms 888 KB Output is correct
39 Correct 11 ms 888 KB Output is correct
40 Correct 11 ms 888 KB Output is correct
41 Correct 14 ms 888 KB Output is correct
42 Correct 10 ms 888 KB Output is correct
43 Correct 11 ms 888 KB Output is correct
44 Correct 12 ms 888 KB Output is correct
45 Correct 13 ms 888 KB Output is correct
46 Correct 12 ms 888 KB Output is correct
47 Correct 15 ms 1912 KB Output is correct
48 Correct 12 ms 1528 KB Output is correct
49 Correct 12 ms 1528 KB Output is correct
50 Correct 10 ms 1528 KB Output is correct
51 Correct 20 ms 2676 KB Output is correct
52 Correct 21 ms 2676 KB Output is correct
53 Correct 13 ms 1912 KB Output is correct
54 Correct 7 ms 1404 KB Output is correct
55 Correct 8 ms 1400 KB Output is correct
56 Correct 266 ms 2296 KB Output is correct
57 Correct 7 ms 1660 KB Output is correct
58 Correct 12 ms 1656 KB Output is correct
59 Correct 15 ms 1784 KB Output is correct
60 Correct 13 ms 1784 KB Output is correct
61 Correct 15 ms 1784 KB Output is correct
62 Correct 15 ms 1912 KB Output is correct
63 Correct 28 ms 2800 KB Output is correct
64 Correct 29 ms 2800 KB Output is correct
65 Correct 32 ms 2800 KB Output is correct
66 Correct 37 ms 2676 KB Output is correct
67 Correct 34 ms 2676 KB Output is correct