답안 #295250

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
295250	2020-09-09T14:41:23 Z	crackersamdjam	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	169 ms	78968 KB

skyscraper

#ifndef LOCAL
#pragma GCC optimize("O3")
#pragma GCC target("sse4")
#endif

#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define gc getchar()
#define pc(x) putchar(x)
template<typename T> void scan(T &x){x = 0;bool _=0;T c=gc;_=c==45;c=_?gc:c;while(c<48||c>57)c=gc;for(;c<48||c>57;c=gc);for(;c>47&&c<58;c=gc)x=(x<<3)+(x<<1)+(c&15);x=_?-x:x;}
template<typename T> void printn(T n){bool _=0;_=n<0;n=_?-n:n;char snum[65];int i=0;do{snum[i++]=char(n%10+48);n/= 10;}while(n);--i;if (_)pc(45);while(i>=0)pc(snum[i--]);}
template<typename First, typename ... Ints> void scan(First &arg, Ints&... rest){scan(arg);scan(rest...);}
template<typename T> void print(T n){printn(n);pc(10);}
template<typename First, typename ... Ints> void print(First arg, Ints... rest){printn(arg);pc(32);print(rest...);}

using namespace std;
using pii = tuple<int, int, int>;
constexpr int MM = 3e4+5, NN = (MM<<15);

#define val(b, a) ((b)|((a)<<15))

deque<pii> q;
int n, m, a[MM], b[MM];
vector<int> in[MM];
bitset<NN> vis;

int main(){
	scan(n, m);
	for(int i = 0; i < m; i++){
		scan(b[i], a[i]);
		in[b[i]].emplace_back(a[i]);
	}
	vis[val(b[0], a[0])] = 1;
	q.emplace_back(0, b[0], a[0]);
	while(size(q)){
		auto [dis, i, d] = q.front(); q.pop_front();
		if(i == b[1]){
			print(dis);
			return 0;
		}
		int u = i-d;
		if(u >= 0){
			if(!vis[val(u, d)]){
				vis[val(u, d)] = 1;
				q.emplace_back(dis+1, u, d);
			}
		}
		u = i+d;
		if(u < n){
			if(!vis[val(u, d)]){
				vis[val(u, d)] = 1;
				q.emplace_back(dis+1, u, d);
			}
		}
		for(int dd: in[i]){
			if(!vis[val(i, dd)]){
				vis[val(i, dd)] = 1;
				q.emplace_front(dis, i, dd);
			}
		}
		in[i].clear();
	}
	print(-1);
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1024 KB	Output is correct
2	Correct	1 ms	1024 KB	Output is correct
3	Correct	1 ms	1024 KB	Output is correct
4	Correct	1 ms	1024 KB	Output is correct
5	Correct	1 ms	1024 KB	Output is correct
6	Correct	1 ms	1024 KB	Output is correct
7	Correct	1 ms	1024 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1024 KB	Output is correct
2	Correct	1 ms	1024 KB	Output is correct
3	Correct	1 ms	1024 KB	Output is correct
4	Correct	1 ms	1024 KB	Output is correct
5	Correct	1 ms	1024 KB	Output is correct
6	Correct	1 ms	1024 KB	Output is correct
7	Correct	1 ms	1024 KB	Output is correct
8	Correct	1 ms	1024 KB	Output is correct
9	Correct	1 ms	1024 KB	Output is correct
10	Correct	1 ms	1280 KB	Output is correct
11	Correct	1 ms	1408 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	1 ms	1024 KB	Output is correct
14	Correct	2 ms	1280 KB	Output is correct
15	Correct	1 ms	1408 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1024 KB	Output is correct
2	Correct	1 ms	1024 KB	Output is correct
3	Correct	1 ms	1024 KB	Output is correct
4	Correct	1 ms	1024 KB	Output is correct
5	Correct	1 ms	1024 KB	Output is correct
6	Correct	1 ms	1024 KB	Output is correct
7	Correct	1 ms	1024 KB	Output is correct
8	Correct	1 ms	1024 KB	Output is correct
9	Correct	1 ms	1024 KB	Output is correct
10	Correct	1 ms	1280 KB	Output is correct
11	Correct	1 ms	1408 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	1 ms	1152 KB	Output is correct
14	Correct	2 ms	1408 KB	Output is correct
15	Correct	1 ms	1408 KB	Output is correct
16	Correct	1 ms	1024 KB	Output is correct
17	Correct	3 ms	2816 KB	Output is correct
18	Correct	1 ms	1152 KB	Output is correct
19	Correct	1 ms	1152 KB	Output is correct
20	Correct	2 ms	1152 KB	Output is correct
21	Correct	1 ms	1152 KB	Output is correct
22	Correct	1 ms	1024 KB	Output is correct
23	Correct	3 ms	3840 KB	Output is correct
24	Correct	6 ms	5760 KB	Output is correct
25	Correct	3 ms	2304 KB	Output is correct
26	Correct	1 ms	1152 KB	Output is correct
27	Correct	2 ms	1664 KB	Output is correct
28	Correct	3 ms	2176 KB	Output is correct
29	Correct	2 ms	1152 KB	Output is correct
30	Correct	1 ms	1024 KB	Output is correct
31	Correct	2 ms	1152 KB	Output is correct
32	Correct	1 ms	1152 KB	Output is correct
33	Correct	4 ms	1408 KB	Output is correct
34	Correct	3 ms	1408 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1024 KB	Output is correct
2	Correct	1 ms	1024 KB	Output is correct
3	Correct	1 ms	1024 KB	Output is correct
4	Correct	1 ms	1024 KB	Output is correct
5	Correct	1 ms	1024 KB	Output is correct
6	Correct	1 ms	1056 KB	Output is correct
7	Correct	1 ms	1024 KB	Output is correct
8	Correct	1 ms	1024 KB	Output is correct
9	Correct	1 ms	1024 KB	Output is correct
10	Correct	1 ms	1280 KB	Output is correct
11	Correct	1 ms	1408 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	2 ms	1152 KB	Output is correct
14	Correct	1 ms	1408 KB	Output is correct
15	Correct	1 ms	1408 KB	Output is correct
16	Correct	1 ms	1024 KB	Output is correct
17	Correct	3 ms	2816 KB	Output is correct
18	Correct	1 ms	1152 KB	Output is correct
19	Correct	1 ms	1152 KB	Output is correct
20	Correct	1 ms	1152 KB	Output is correct
21	Correct	1 ms	1152 KB	Output is correct
22	Correct	1 ms	1024 KB	Output is correct
23	Correct	3 ms	3840 KB	Output is correct
24	Correct	6 ms	5760 KB	Output is correct
25	Correct	2 ms	2304 KB	Output is correct
26	Correct	1 ms	1152 KB	Output is correct
27	Correct	2 ms	1792 KB	Output is correct
28	Correct	3 ms	2176 KB	Output is correct
29	Correct	3 ms	1152 KB	Output is correct
30	Correct	2 ms	1024 KB	Output is correct
31	Correct	2 ms	1184 KB	Output is correct
32	Correct	2 ms	1152 KB	Output is correct
33	Correct	4 ms	1408 KB	Output is correct
34	Correct	3 ms	1408 KB	Output is correct
35	Correct	13 ms	9856 KB	Output is correct
36	Correct	4 ms	3712 KB	Output is correct
37	Correct	8 ms	5504 KB	Output is correct
38	Correct	13 ms	9984 KB	Output is correct
39	Correct	6 ms	2560 KB	Output is correct
40	Correct	11 ms	8192 KB	Output is correct
41	Correct	12 ms	9344 KB	Output is correct
42	Correct	4 ms	1792 KB	Output is correct
43	Correct	5 ms	2304 KB	Output is correct
44	Correct	4 ms	1760 KB	Output is correct
45	Correct	17 ms	2944 KB	Output is correct
46	Correct	14 ms	2944 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1024 KB	Output is correct
2	Correct	1 ms	1024 KB	Output is correct
3	Correct	1 ms	1024 KB	Output is correct
4	Correct	1 ms	1024 KB	Output is correct
5	Correct	1 ms	1024 KB	Output is correct
6	Correct	1 ms	1024 KB	Output is correct
7	Correct	1 ms	1024 KB	Output is correct
8	Correct	1 ms	1024 KB	Output is correct
9	Correct	1 ms	1024 KB	Output is correct
10	Correct	1 ms	1312 KB	Output is correct
11	Correct	2 ms	1408 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	1 ms	1024 KB	Output is correct
14	Correct	1 ms	1408 KB	Output is correct
15	Correct	1 ms	1408 KB	Output is correct
16	Correct	1 ms	1024 KB	Output is correct
17	Correct	3 ms	2816 KB	Output is correct
18	Correct	1 ms	1152 KB	Output is correct
19	Correct	1 ms	1152 KB	Output is correct
20	Correct	1 ms	1152 KB	Output is correct
21	Correct	1 ms	1152 KB	Output is correct
22	Correct	1 ms	1024 KB	Output is correct
23	Correct	3 ms	3840 KB	Output is correct
24	Correct	5 ms	5760 KB	Output is correct
25	Correct	2 ms	2304 KB	Output is correct
26	Correct	1 ms	1152 KB	Output is correct
27	Correct	2 ms	1664 KB	Output is correct
28	Correct	3 ms	2176 KB	Output is correct
29	Correct	3 ms	1152 KB	Output is correct
30	Correct	1 ms	1024 KB	Output is correct
31	Correct	2 ms	1152 KB	Output is correct
32	Correct	2 ms	1152 KB	Output is correct
33	Correct	4 ms	1408 KB	Output is correct
34	Correct	3 ms	1408 KB	Output is correct
35	Correct	14 ms	9856 KB	Output is correct
36	Correct	4 ms	3712 KB	Output is correct
37	Correct	8 ms	5504 KB	Output is correct
38	Correct	13 ms	9856 KB	Output is correct
39	Correct	7 ms	2560 KB	Output is correct
40	Correct	11 ms	8192 KB	Output is correct
41	Correct	12 ms	9344 KB	Output is correct
42	Correct	4 ms	1792 KB	Output is correct
43	Correct	5 ms	2304 KB	Output is correct
44	Correct	4 ms	1664 KB	Output is correct
45	Correct	17 ms	2944 KB	Output is correct
46	Correct	12 ms	2944 KB	Output is correct
47	Correct	14 ms	11008 KB	Output is correct
48	Correct	6 ms	1920 KB	Output is correct
49	Correct	6 ms	1920 KB	Output is correct
50	Correct	5 ms	1664 KB	Output is correct
51	Correct	68 ms	71544 KB	Output is correct
52	Correct	75 ms	78968 KB	Output is correct
53	Correct	20 ms	15488 KB	Output is correct
54	Correct	1 ms	1024 KB	Output is correct
55	Correct	2 ms	1024 KB	Output is correct
56	Correct	8 ms	2432 KB	Output is correct
57	Correct	2 ms	1184 KB	Output is correct
58	Correct	5 ms	1736 KB	Output is correct
59	Correct	6 ms	1800 KB	Output is correct
60	Correct	6 ms	1792 KB	Output is correct
61	Correct	7 ms	3072 KB	Output is correct
62	Correct	32 ms	14584 KB	Output is correct
63	Correct	81 ms	3488 KB	Output is correct
64	Correct	80 ms	2936 KB	Output is correct
65	Correct	103 ms	3192 KB	Output is correct
66	Correct	169 ms	3068 KB	Output is correct
67	Correct	91 ms	3064 KB	Output is correct

답안 #295250

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 43.0 / 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
43.0 / 43.0