Submission #882690

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
882690	2023-12-03T13:18:39 Z	aeg	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	57 / 100	1000 ms	21704 KB

skyscraper

#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#include <bits/stdc++.h>
using namespace std;

const int MAXM = 3e4+5, MAXN = 3e4+5;

int n, p[MAXM], m, secloc;
vector<int> a(MAXN, INT_MAX);
queue<int> b[MAXN];

struct triple {
	int first, second;
	char third;
	triple() : first(0), second(0), third(0) {}
	triple(int a, int b, char c) :first(a), second(b), third(c) {}
};

queue<triple> curr, oth;

signed main() {
	cin.tie(0)->sync_with_stdio(0);
	cin >> n >> m;
	for(int i = 0; i < m; i++) {
		int tmp;
		cin >> tmp >> p[i];
		if(i==0) curr.push({tmp, p[0], 3});
		b[tmp].push(i);
		if(i==1) secloc = tmp;
	}
	int curval = 0;
	while(!curr.empty()) {
		auto cur = curr.front(); curr.pop();
		if(a[cur.first] == INT_MAX) {
			while(!b[cur.first].empty()) {
				int x = b[cur.first].front();
				b[cur.first].pop();
				if(p[x] != cur.second)
					curr.push({cur.first, p[x], 3});
			}
		}
		a[cur.first] = min(a[cur.first], curval);
		if(cur.first >= cur.second && cur.third & 1)
			oth.push({cur.first - cur.second, cur.second, 1});
		if(cur.first < n - cur.second && cur.third & 2)
			oth.push({cur.first + cur.second, cur.second, 2});
		if(curr.empty()) {
			swap(curr, oth);
			curval ++;
		}
	}
	cout << (a[secloc] == INT_MAX ? -1 : a[secloc]) << '\n';
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	20572 KB	Output is correct
2	Correct	10 ms	20572 KB	Output is correct
3	Correct	10 ms	20568 KB	Output is correct
4	Correct	10 ms	20784 KB	Output is correct
5	Correct	10 ms	20824 KB	Output is correct
6	Correct	11 ms	20572 KB	Output is correct
7	Correct	10 ms	20608 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	20572 KB	Output is correct
2	Correct	13 ms	20760 KB	Output is correct
3	Correct	10 ms	20700 KB	Output is correct
4	Correct	10 ms	20572 KB	Output is correct
5	Correct	12 ms	20784 KB	Output is correct
6	Correct	12 ms	20828 KB	Output is correct
7	Correct	12 ms	20572 KB	Output is correct
8	Correct	11 ms	20552 KB	Output is correct
9	Correct	10 ms	20688 KB	Output is correct
10	Correct	10 ms	20572 KB	Output is correct
11	Correct	10 ms	20572 KB	Output is correct
12	Correct	12 ms	20804 KB	Output is correct
13	Correct	12 ms	20596 KB	Output is correct
14	Correct	11 ms	20828 KB	Output is correct
15	Correct	11 ms	20572 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	20572 KB	Output is correct
2	Correct	11 ms	20572 KB	Output is correct
3	Correct	11 ms	20572 KB	Output is correct
4	Correct	10 ms	20676 KB	Output is correct
5	Correct	10 ms	20568 KB	Output is correct
6	Correct	11 ms	20572 KB	Output is correct
7	Correct	11 ms	20776 KB	Output is correct
8	Correct	11 ms	20628 KB	Output is correct
9	Correct	11 ms	20572 KB	Output is correct
10	Correct	11 ms	20572 KB	Output is correct
11	Correct	10 ms	20620 KB	Output is correct
12	Correct	12 ms	20828 KB	Output is correct
13	Correct	11 ms	20572 KB	Output is correct
14	Correct	11 ms	20572 KB	Output is correct
15	Correct	11 ms	20572 KB	Output is correct
16	Correct	10 ms	20568 KB	Output is correct
17	Correct	11 ms	20580 KB	Output is correct
18	Correct	13 ms	20828 KB	Output is correct
19	Correct	11 ms	20572 KB	Output is correct
20	Correct	11 ms	20600 KB	Output is correct
21	Correct	11 ms	20752 KB	Output is correct
22	Correct	10 ms	20572 KB	Output is correct
23	Correct	11 ms	20572 KB	Output is correct
24	Correct	11 ms	20572 KB	Output is correct
25	Correct	11 ms	20648 KB	Output is correct
26	Correct	12 ms	20572 KB	Output is correct
27	Correct	43 ms	20848 KB	Output is correct
28	Correct	15 ms	20572 KB	Output is correct
29	Correct	11 ms	20808 KB	Output is correct
30	Correct	11 ms	20572 KB	Output is correct
31	Correct	11 ms	20572 KB	Output is correct
32	Correct	10 ms	20572 KB	Output is correct
33	Correct	11 ms	20572 KB	Output is correct
34	Correct	12 ms	20828 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	20744 KB	Output is correct
2	Correct	10 ms	20572 KB	Output is correct
3	Correct	11 ms	20644 KB	Output is correct
4	Correct	15 ms	20824 KB	Output is correct
5	Correct	11 ms	20780 KB	Output is correct
6	Correct	10 ms	20572 KB	Output is correct
7	Correct	10 ms	20572 KB	Output is correct
8	Correct	10 ms	20572 KB	Output is correct
9	Correct	10 ms	20572 KB	Output is correct
10	Correct	14 ms	20568 KB	Output is correct
11	Correct	11 ms	20764 KB	Output is correct
12	Correct	12 ms	20828 KB	Output is correct
13	Correct	10 ms	20572 KB	Output is correct
14	Correct	11 ms	20828 KB	Output is correct
15	Correct	14 ms	20572 KB	Output is correct
16	Correct	11 ms	20572 KB	Output is correct
17	Correct	13 ms	20572 KB	Output is correct
18	Correct	10 ms	20568 KB	Output is correct
19	Correct	10 ms	20572 KB	Output is correct
20	Correct	11 ms	20780 KB	Output is correct
21	Correct	12 ms	20764 KB	Output is correct
22	Correct	11 ms	20572 KB	Output is correct
23	Correct	11 ms	20572 KB	Output is correct
24	Correct	14 ms	21084 KB	Output is correct
25	Correct	12 ms	20568 KB	Output is correct
26	Correct	10 ms	20572 KB	Output is correct
27	Correct	44 ms	20788 KB	Output is correct
28	Correct	14 ms	20804 KB	Output is correct
29	Correct	12 ms	20572 KB	Output is correct
30	Correct	11 ms	20568 KB	Output is correct
31	Correct	11 ms	20572 KB	Output is correct
32	Correct	11 ms	20572 KB	Output is correct
33	Correct	13 ms	20828 KB	Output is correct
34	Correct	15 ms	20572 KB	Output is correct
35	Correct	16 ms	21084 KB	Output is correct
36	Correct	14 ms	20824 KB	Output is correct
37	Correct	16 ms	21080 KB	Output is correct
38	Correct	17 ms	21084 KB	Output is correct
39	Correct	17 ms	21084 KB	Output is correct
40	Correct	17 ms	21076 KB	Output is correct
41	Correct	17 ms	21084 KB	Output is correct
42	Correct	15 ms	20828 KB	Output is correct
43	Correct	578 ms	21704 KB	Output is correct
44	Correct	14 ms	20824 KB	Output is correct
45	Correct	18 ms	21084 KB	Output is correct
46	Correct	20 ms	21168 KB	Output is correct

Subtask #5
0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	20568 KB	Output is correct
2	Correct	11 ms	20572 KB	Output is correct
3	Correct	10 ms	20572 KB	Output is correct
4	Correct	11 ms	20572 KB	Output is correct
5	Correct	12 ms	20780 KB	Output is correct
6	Correct	12 ms	20572 KB	Output is correct
7	Correct	10 ms	20568 KB	Output is correct
8	Correct	12 ms	20572 KB	Output is correct
9	Correct	10 ms	20568 KB	Output is correct
10	Correct	10 ms	20572 KB	Output is correct
11	Correct	12 ms	20728 KB	Output is correct
12	Correct	12 ms	20828 KB	Output is correct
13	Correct	11 ms	20776 KB	Output is correct
14	Correct	10 ms	20572 KB	Output is correct
15	Correct	11 ms	20572 KB	Output is correct
16	Correct	10 ms	20572 KB	Output is correct
17	Correct	11 ms	20568 KB	Output is correct
18	Correct	12 ms	20568 KB	Output is correct
19	Correct	10 ms	20572 KB	Output is correct
20	Correct	11 ms	20580 KB	Output is correct
21	Correct	11 ms	20572 KB	Output is correct
22	Correct	12 ms	20572 KB	Output is correct
23	Correct	11 ms	20572 KB	Output is correct
24	Correct	13 ms	20576 KB	Output is correct
25	Correct	11 ms	20796 KB	Output is correct
26	Correct	11 ms	20572 KB	Output is correct
27	Correct	43 ms	20588 KB	Output is correct
28	Correct	11 ms	20572 KB	Output is correct
29	Correct	11 ms	20572 KB	Output is correct
30	Correct	11 ms	20572 KB	Output is correct
31	Correct	10 ms	20568 KB	Output is correct
32	Correct	11 ms	20568 KB	Output is correct
33	Correct	12 ms	20824 KB	Output is correct
34	Correct	12 ms	20588 KB	Output is correct
35	Correct	18 ms	21084 KB	Output is correct
36	Correct	14 ms	20824 KB	Output is correct
37	Correct	21 ms	21084 KB	Output is correct
38	Correct	17 ms	21224 KB	Output is correct
39	Correct	24 ms	21340 KB	Output is correct
40	Correct	18 ms	21084 KB	Output is correct
41	Correct	17 ms	21080 KB	Output is correct
42	Correct	14 ms	20828 KB	Output is correct
43	Correct	577 ms	21700 KB	Output is correct
44	Correct	16 ms	20824 KB	Output is correct
45	Correct	19 ms	21184 KB	Output is correct
46	Correct	22 ms	21084 KB	Output is correct
47	Correct	29 ms	21340 KB	Output is correct
48	Correct	15 ms	20764 KB	Output is correct
49	Correct	15 ms	20828 KB	Output is correct
50	Correct	13 ms	20800 KB	Output is correct
51	Correct	25 ms	20896 KB	Output is correct
52	Correct	25 ms	20824 KB	Output is correct
53	Correct	18 ms	20828 KB	Output is correct
54	Correct	10 ms	20572 KB	Output is correct
55	Correct	11 ms	20572 KB	Output is correct
56	Correct	19 ms	20732 KB	Output is correct
57	Correct	67 ms	20828 KB	Output is correct
58	Execution timed out	1065 ms	21596 KB	Time limit exceeded
59	Halted	0 ms	0 KB	-

Submission #882690

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
0 / 43.0