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Submission #380453

# Submission time Handle Problem Language Result Execution time Memory
380453 2021-03-22T00:59:32 Z LittlePants Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 513 ms 112876 KB 
#include<bits/stdc++.h>
#define pb push_back
#define sz(x) (int)(x.size())
#define all(x) x.begin(), x.end()
#define int long long
#define pii pair<int, int>
#define inf 1e9
#define mod 1000000007
#define F first
#define S second
#define wopen(x) freopen((x),"w",stdout)
#define ropen(x) freopen((x),"r",stdin)
#define de(x) cout << #x << " = " << x << ' '
#define IO ios_base::sync_with_stdio(0); cin.tie(0);
using namespace std;
 
const int mxN = 3e4 + 5;
int n, m, b[mxN], p[mxN];
bitset<mxN * mxN> vis;
bitset<mxN> used;
vector<int> v[mxN];

signed main() {
	IO;
	cin >> n >> m;
	for(int i = 0; i < m; i++) cin >> b[i] >> p[i], v[b[i]].pb(p[i]);
	deque<array<int, 3>> q;
	q.pb({b[0], p[0], 0});
	while(!q.empty()) {
		auto now = q.front(); q.pop_front();
		vis[now[0] * n + now[1]] = 1;
		if(now[0] == b[1]) {
			cout << now[2] << '\n';
			return 0;
		}
		if(!used[now[0]]) {
			for(int i : v[now[0]]) {
			    if(vis[now[0] * n + i]) continue;
				vis[now[0] * n + i] = 1;
				q.push_front({now[0], i, now[2]});
			}
		}
		used[now[0]] = 1;
		if(now[0] + now[1] < n and vis[(now[0] + now[1]) * n + now[1]] == 0) 
				q.pb({now[0] + now[1], now[1], now[2] + 1});
		if(now[0] - now[1] >= 0 and vis[(now[0] - now[1]) * n + now[1]] == 0)
				q.pb({now[0] - now[1], now[1], now[2] + 1});
	}
	cout << -1 << '\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1004 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1004 KB Output is correct
8 Correct 1 ms 1004 KB Output is correct
9 Correct 1 ms 1004 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 1 ms 1132 KB Output is correct
12 Correct 2 ms 1152 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 1 ms 1132 KB Output is correct
15 Correct 2 ms 1132 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1004 KB Output is correct
8 Correct 1 ms 1004 KB Output is correct
9 Correct 1 ms 1004 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 1 ms 1132 KB Output is correct
12 Correct 1 ms 1132 KB Output is correct
13 Correct 2 ms 1132 KB Output is correct
14 Correct 1 ms 1132 KB Output is correct
15 Correct 1 ms 1132 KB Output is correct
16 Correct 1 ms 1132 KB Output is correct
17 Correct 2 ms 1260 KB Output is correct
18 Correct 1 ms 1132 KB Output is correct
19 Correct 1 ms 1132 KB Output is correct
20 Correct 2 ms 1644 KB Output is correct
21 Correct 1 ms 1132 KB Output is correct
22 Correct 1 ms 1132 KB Output is correct
23 Correct 2 ms 1388 KB Output is correct
24 Correct 2 ms 1644 KB Output is correct
25 Correct 2 ms 1644 KB Output is correct
26 Correct 3 ms 1644 KB Output is correct
27 Correct 2 ms 1644 KB Output is correct
28 Correct 3 ms 1644 KB Output is correct
29 Correct 3 ms 1644 KB Output is correct
30 Correct 2 ms 1516 KB Output is correct
31 Correct 2 ms 1644 KB Output is correct
32 Correct 2 ms 1644 KB Output is correct
33 Correct 4 ms 1644 KB Output is correct
34 Correct 3 ms 1644 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1004 KB Output is correct
8 Correct 1 ms 1004 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 1 ms 1132 KB Output is correct
12 Correct 1 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 2 ms 1132 KB Output is correct
15 Correct 2 ms 1132 KB Output is correct
16 Correct 1 ms 1132 KB Output is correct
17 Correct 2 ms 1260 KB Output is correct
18 Correct 1 ms 1132 KB Output is correct
19 Correct 2 ms 1132 KB Output is correct
20 Correct 2 ms 1664 KB Output is correct
21 Correct 1 ms 1132 KB Output is correct
22 Correct 1 ms 1132 KB Output is correct
23 Correct 2 ms 1388 KB Output is correct
24 Correct 2 ms 1644 KB Output is correct
25 Correct 2 ms 1644 KB Output is correct
26 Correct 2 ms 1644 KB Output is correct
27 Correct 2 ms 1644 KB Output is correct
28 Correct 2 ms 1644 KB Output is correct
29 Correct 3 ms 1644 KB Output is correct
30 Correct 2 ms 1516 KB Output is correct
31 Correct 2 ms 1644 KB Output is correct
32 Correct 2 ms 1644 KB Output is correct
33 Correct 4 ms 1644 KB Output is correct
34 Correct 3 ms 1644 KB Output is correct
35 Correct 8 ms 2412 KB Output is correct
36 Correct 2 ms 1388 KB Output is correct
37 Correct 6 ms 2540 KB Output is correct
38 Correct 8 ms 2668 KB Output is correct
39 Correct 7 ms 2028 KB Output is correct
40 Correct 9 ms 2412 KB Output is correct
41 Correct 9 ms 2560 KB Output is correct
42 Correct 8 ms 2412 KB Output is correct
43 Correct 6 ms 2412 KB Output is correct
44 Correct 9 ms 2452 KB Output is correct
45 Correct 16 ms 3180 KB Output is correct
46 Correct 11 ms 3180 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 2 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1004 KB Output is correct
8 Correct 1 ms 1004 KB Output is correct
9 Correct 1 ms 1004 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 1 ms 1152 KB Output is correct
12 Correct 1 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 2 ms 1132 KB Output is correct
15 Correct 2 ms 1132 KB Output is correct
16 Correct 1 ms 1132 KB Output is correct
17 Correct 2 ms 1260 KB Output is correct
18 Correct 2 ms 1132 KB Output is correct
19 Correct 1 ms 1132 KB Output is correct
20 Correct 2 ms 1644 KB Output is correct
21 Correct 1 ms 1132 KB Output is correct
22 Correct 1 ms 1132 KB Output is correct
23 Correct 2 ms 1388 KB Output is correct
24 Correct 2 ms 1644 KB Output is correct
25 Correct 2 ms 1644 KB Output is correct
26 Correct 2 ms 1644 KB Output is correct
27 Correct 2 ms 1644 KB Output is correct
28 Correct 3 ms 1644 KB Output is correct
29 Correct 3 ms 1644 KB Output is correct
30 Correct 2 ms 1516 KB Output is correct
31 Correct 2 ms 1644 KB Output is correct
32 Correct 2 ms 1644 KB Output is correct
33 Correct 4 ms 1644 KB Output is correct
34 Correct 3 ms 1644 KB Output is correct
35 Correct 8 ms 2412 KB Output is correct
36 Correct 3 ms 1388 KB Output is correct
37 Correct 7 ms 2540 KB Output is correct
38 Correct 9 ms 2668 KB Output is correct
39 Correct 8 ms 2028 KB Output is correct
40 Correct 8 ms 2412 KB Output is correct
41 Correct 8 ms 2540 KB Output is correct
42 Correct 6 ms 2412 KB Output is correct
43 Correct 6 ms 2412 KB Output is correct
44 Correct 6 ms 2452 KB Output is correct
45 Correct 17 ms 3180 KB Output is correct
46 Correct 11 ms 3180 KB Output is correct
47 Correct 15 ms 9324 KB Output is correct
48 Correct 7 ms 1900 KB Output is correct
49 Correct 7 ms 1900 KB Output is correct
50 Correct 5 ms 1644 KB Output is correct
51 Correct 77 ms 82028 KB Output is correct
52 Correct 90 ms 90092 KB Output is correct
53 Correct 23 ms 18924 KB Output is correct
54 Correct 48 ms 61292 KB Output is correct
55 Correct 59 ms 77932 KB Output is correct
56 Correct 91 ms 112592 KB Output is correct
57 Correct 3 ms 2668 KB Output is correct
58 Correct 89 ms 111984 KB Output is correct
59 Correct 87 ms 104176 KB Output is correct
60 Correct 85 ms 104176 KB Output is correct
61 Correct 81 ms 99052 KB Output is correct
62 Correct 141 ms 112564 KB Output is correct
63 Correct 240 ms 112492 KB Output is correct
64 Correct 248 ms 112492 KB Output is correct
65 Correct 323 ms 112748 KB Output is correct
66 Correct 513 ms 112876 KB Output is correct
67 Correct 316 ms 112748 KB Output is correct