답안 #47254 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
47254	2018-04-29T18:20:48 Z	yusufake	Jakarta Skyscrapers (APIO15_skyscraper)	C++	57 / 100	1000 ms	38360 KB

skyscraper

#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define mp make_pair
#define st first
#define nd second

const int N   = 3e4 + 4;
const int kok = 177;
typedef long long ll;
typedef pair < int , int > pp;

priority_queue < pair < int , pp > > Q;
vector < int > V[N];
int H[N][kok],F[N],beg[N],jum[N],n,m,i,x,u,res;

void f(int x, int u, int t){
	int i;
	if(u > kok){
		for(i=0;i<kok;i++){
			if(x + i*u < n)
				Q.push(mp(t-i,mp(x+i*u,0)));
			if(x - i*u >= 0)
				Q.push(mp(t-i,mp(x-i*u,0)));
		}		
	}
	else Q.push(mp(t,mp(x,u)));
}

int main(){
	cin >> n >> m;
	for(i=0;i<m;i++){
		scanf("%d%d",&beg[i],&jum[i]);
		V[ beg[i] ].pb( jum[i] );
	}		
	
	f(beg[0],jum[0],0);
    for(; Q.size() ;){
		x = Q.top().nd.st;
		u = Q.top().nd.nd;
		res = Q.top().st;
		Q.pop();
//        cout << x << " " << u << " " << res << " ss\n";
		if(x == beg[1]) { cout << -res; return 0; }
		if(H[x][u]) continue;
        H[x][u] = 1;
		if(u){ if(x+u<n)Q.push(mp(res-1,mp(x+u,u))); if(x-u>=0)Q.push(mp(res-1,mp(x-u,u))); } 
		if(F[x]) continue;
		F[x] = 1;
		for(i=0;i<V[x].size();i++)
			f(x,V[x][i],res);
 	}		
	
	cout << -1;
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:51:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(i=0;i<V[x].size();i++)
           ~^~~~~~~~~~~~
skyscraper.cpp:34:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&beg[i],&jum[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1016 KB	Output is correct
2	Correct	3 ms	1132 KB	Output is correct
3	Correct	3 ms	1132 KB	Output is correct
4	Correct	2 ms	1132 KB	Output is correct
5	Correct	2 ms	1176 KB	Output is correct
6	Correct	2 ms	1436 KB	Output is correct
7	Correct	2 ms	1436 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1436 KB	Output is correct
2	Correct	2 ms	1436 KB	Output is correct
3	Correct	2 ms	1436 KB	Output is correct
4	Correct	2 ms	1436 KB	Output is correct
5	Correct	2 ms	1436 KB	Output is correct
6	Correct	2 ms	1436 KB	Output is correct
7	Correct	2 ms	1436 KB	Output is correct
8	Correct	3 ms	1436 KB	Output is correct
9	Correct	2 ms	1440 KB	Output is correct
10	Correct	3 ms	1448 KB	Output is correct
11	Correct	3 ms	1452 KB	Output is correct
12	Correct	3 ms	1472 KB	Output is correct
13	Correct	3 ms	1484 KB	Output is correct
14	Correct	5 ms	1624 KB	Output is correct
15	Correct	3 ms	1624 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1624 KB	Output is correct
2	Correct	3 ms	1624 KB	Output is correct
3	Correct	2 ms	1624 KB	Output is correct
4	Correct	2 ms	1624 KB	Output is correct
5	Correct	3 ms	1624 KB	Output is correct
6	Correct	2 ms	1624 KB	Output is correct
7	Correct	3 ms	1624 KB	Output is correct
8	Correct	2 ms	1624 KB	Output is correct
9	Correct	2 ms	1624 KB	Output is correct
10	Correct	3 ms	1624 KB	Output is correct
11	Correct	3 ms	1624 KB	Output is correct
12	Correct	3 ms	1624 KB	Output is correct
13	Correct	3 ms	1624 KB	Output is correct
14	Correct	4 ms	1736 KB	Output is correct
15	Correct	3 ms	1736 KB	Output is correct
16	Correct	2 ms	1736 KB	Output is correct
17	Correct	4 ms	2148 KB	Output is correct
18	Correct	3 ms	2148 KB	Output is correct
19	Correct	2 ms	2148 KB	Output is correct
20	Correct	4 ms	3024 KB	Output is correct
21	Correct	3 ms	3024 KB	Output is correct
22	Correct	2 ms	3024 KB	Output is correct
23	Correct	5 ms	3024 KB	Output is correct
24	Correct	6 ms	3024 KB	Output is correct
25	Correct	4 ms	3024 KB	Output is correct
26	Correct	4 ms	3024 KB	Output is correct
27	Correct	4 ms	3024 KB	Output is correct
28	Correct	6 ms	3048 KB	Output is correct
29	Correct	22 ms	3048 KB	Output is correct
30	Correct	18 ms	3048 KB	Output is correct
31	Correct	13 ms	3048 KB	Output is correct
32	Correct	10 ms	3048 KB	Output is correct
33	Correct	40 ms	3080 KB	Output is correct
34	Correct	24 ms	3080 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3080 KB	Output is correct
2	Correct	2 ms	3080 KB	Output is correct
3	Correct	2 ms	3080 KB	Output is correct
4	Correct	2 ms	3080 KB	Output is correct
5	Correct	2 ms	3080 KB	Output is correct
6	Correct	2 ms	3080 KB	Output is correct
7	Correct	2 ms	3080 KB	Output is correct
8	Correct	2 ms	3080 KB	Output is correct
9	Correct	2 ms	3080 KB	Output is correct
10	Correct	3 ms	3080 KB	Output is correct
11	Correct	3 ms	3080 KB	Output is correct
12	Correct	3 ms	3080 KB	Output is correct
13	Correct	3 ms	3080 KB	Output is correct
14	Correct	4 ms	3080 KB	Output is correct
15	Correct	5 ms	3080 KB	Output is correct
16	Correct	2 ms	3080 KB	Output is correct
17	Correct	4 ms	3080 KB	Output is correct
18	Correct	3 ms	3080 KB	Output is correct
19	Correct	3 ms	3080 KB	Output is correct
20	Correct	4 ms	3080 KB	Output is correct
21	Correct	3 ms	3080 KB	Output is correct
22	Correct	3 ms	3080 KB	Output is correct
23	Correct	5 ms	3080 KB	Output is correct
24	Correct	6 ms	3080 KB	Output is correct
25	Correct	4 ms	3080 KB	Output is correct
26	Correct	4 ms	3080 KB	Output is correct
27	Correct	4 ms	3080 KB	Output is correct
28	Correct	6 ms	3080 KB	Output is correct
29	Correct	21 ms	3080 KB	Output is correct
30	Correct	8 ms	3080 KB	Output is correct
31	Correct	13 ms	3080 KB	Output is correct
32	Correct	10 ms	3080 KB	Output is correct
33	Correct	41 ms	3188 KB	Output is correct
34	Correct	33 ms	3188 KB	Output is correct
35	Correct	23 ms	3396 KB	Output is correct
36	Correct	5 ms	3396 KB	Output is correct
37	Correct	13 ms	3396 KB	Output is correct
38	Correct	30 ms	4180 KB	Output is correct
39	Correct	11 ms	4180 KB	Output is correct
40	Correct	14 ms	4180 KB	Output is correct
41	Correct	28 ms	4208 KB	Output is correct
42	Correct	9 ms	4208 KB	Output is correct
43	Correct	9 ms	4208 KB	Output is correct
44	Correct	13 ms	4208 KB	Output is correct
45	Correct	182 ms	5304 KB	Output is correct
46	Correct	109 ms	5600 KB	Output is correct

Subtask #5
0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	5600 KB	Output is correct
2	Correct	2 ms	5600 KB	Output is correct
3	Correct	3 ms	5600 KB	Output is correct
4	Correct	3 ms	5600 KB	Output is correct
5	Correct	2 ms	5600 KB	Output is correct
6	Correct	2 ms	5600 KB	Output is correct
7	Correct	3 ms	5600 KB	Output is correct
8	Correct	2 ms	5600 KB	Output is correct
9	Correct	2 ms	5600 KB	Output is correct
10	Correct	3 ms	5600 KB	Output is correct
11	Correct	3 ms	5600 KB	Output is correct
12	Correct	3 ms	5600 KB	Output is correct
13	Correct	3 ms	5600 KB	Output is correct
14	Correct	5 ms	5600 KB	Output is correct
15	Correct	3 ms	5600 KB	Output is correct
16	Correct	3 ms	5600 KB	Output is correct
17	Correct	4 ms	5600 KB	Output is correct
18	Correct	3 ms	5600 KB	Output is correct
19	Correct	3 ms	5600 KB	Output is correct
20	Correct	4 ms	5600 KB	Output is correct
21	Correct	3 ms	5600 KB	Output is correct
22	Correct	2 ms	5600 KB	Output is correct
23	Correct	5 ms	5600 KB	Output is correct
24	Correct	6 ms	5600 KB	Output is correct
25	Correct	5 ms	5600 KB	Output is correct
26	Correct	5 ms	5600 KB	Output is correct
27	Correct	5 ms	5600 KB	Output is correct
28	Correct	6 ms	5600 KB	Output is correct
29	Correct	22 ms	5600 KB	Output is correct
30	Correct	8 ms	5600 KB	Output is correct
31	Correct	13 ms	5600 KB	Output is correct
32	Correct	12 ms	5600 KB	Output is correct
33	Correct	42 ms	5600 KB	Output is correct
34	Correct	25 ms	5600 KB	Output is correct
35	Correct	23 ms	5600 KB	Output is correct
36	Correct	5 ms	5600 KB	Output is correct
37	Correct	13 ms	5600 KB	Output is correct
38	Correct	36 ms	5600 KB	Output is correct
39	Correct	11 ms	5600 KB	Output is correct
40	Correct	14 ms	5600 KB	Output is correct
41	Correct	29 ms	5600 KB	Output is correct
42	Correct	9 ms	5600 KB	Output is correct
43	Correct	9 ms	5600 KB	Output is correct
44	Correct	12 ms	5600 KB	Output is correct
45	Correct	190 ms	5620 KB	Output is correct
46	Correct	105 ms	5872 KB	Output is correct
47	Correct	21 ms	8532 KB	Output is correct
48	Correct	10 ms	8532 KB	Output is correct
49	Correct	14 ms	8532 KB	Output is correct
50	Correct	8 ms	8532 KB	Output is correct
51	Correct	56 ms	25504 KB	Output is correct
52	Correct	65 ms	26156 KB	Output is correct
53	Correct	31 ms	26156 KB	Output is correct
54	Correct	25 ms	26156 KB	Output is correct
55	Correct	32 ms	26156 KB	Output is correct
56	Correct	38 ms	26296 KB	Output is correct
57	Correct	4 ms	26296 KB	Output is correct
58	Correct	46 ms	26296 KB	Output is correct
59	Correct	37 ms	26296 KB	Output is correct
60	Correct	37 ms	26296 KB	Output is correct
61	Correct	37 ms	26472 KB	Output is correct
62	Correct	96 ms	27484 KB	Output is correct
63	Correct	890 ms	37876 KB	Output is correct
64	Execution timed out	1076 ms	38360 KB	Time limit exceeded
65	Halted	0 ms	0 KB	-

답안 #47254

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