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
#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);
}
# 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
# 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
# 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
# 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
# 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