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Submission #47255

# Submission time Handle Problem Language Result Execution time Memory
47255 2018-04-29T18:26:51 Z yusufake Jakarta Skyscrapers (APIO15_skyscraper) C++
57 / 100
 1000 ms 42812 KB 
#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){
	if(u >= kok){
		for(int i=0;i<kok;i++){
			if(x + i*u < n && !H[x+i*u][0])
				Q.push(mp(t-i,mp(x+i*u,0)));
			if(x - i*u >= 0 && !H[x-i*u][0])
				Q.push(mp(t-i,mp(x-i*u,0)));
		}		
	}
	else if(!H[x][u]) 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 && !H[x+u][u])Q.push(mp(res-1,mp(x+u,u))); if(x-u>=0 && !H[x-u][u])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:50:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(i=0;i<V[x].size();i++)
           ~^~~~~~~~~~~~
skyscraper.cpp:33:8: 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

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1016 KB Output is correct
2 Correct 3 ms 1124 KB Output is correct
3 Correct 2 ms 1176 KB Output is correct
4 Correct 2 ms 1176 KB Output is correct
5 Correct 3 ms 1284 KB Output is correct
6 Correct 2 ms 1284 KB Output is correct
7 Correct 3 ms 1284 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1284 KB Output is correct
2 Correct 2 ms 1388 KB Output is correct
3 Correct 2 ms 1388 KB Output is correct
4 Correct 3 ms 1388 KB Output is correct
5 Correct 3 ms 1388 KB Output is correct
6 Correct 3 ms 1388 KB Output is correct
7 Correct 2 ms 1388 KB Output is correct
8 Correct 3 ms 1388 KB Output is correct
9 Correct 2 ms 1388 KB Output is correct
10 Correct 3 ms 1404 KB Output is correct
11 Correct 3 ms 1408 KB Output is correct
12 Correct 3 ms 1408 KB Output is correct
13 Correct 3 ms 1408 KB Output is correct
14 Correct 5 ms 1408 KB Output is correct
15 Correct 4 ms 1444 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1444 KB Output is correct
2 Correct 2 ms 1444 KB Output is correct
3 Correct 3 ms 1444 KB Output is correct
4 Correct 2 ms 1444 KB Output is correct
5 Correct 2 ms 1444 KB Output is correct
6 Correct 2 ms 1444 KB Output is correct
7 Correct 2 ms 1444 KB Output is correct
8 Correct 2 ms 1444 KB Output is correct
9 Correct 2 ms 1444 KB Output is correct
10 Correct 3 ms 1444 KB Output is correct
11 Correct 3 ms 1444 KB Output is correct
12 Correct 4 ms 1444 KB Output is correct
13 Correct 3 ms 1444 KB Output is correct
14 Correct 5 ms 1444 KB Output is correct
15 Correct 3 ms 1444 KB Output is correct
16 Correct 2 ms 1444 KB Output is correct
17 Correct 4 ms 1916 KB Output is correct
18 Correct 2 ms 1916 KB Output is correct
19 Correct 3 ms 1916 KB Output is correct
20 Correct 6 ms 2816 KB Output is correct
21 Correct 3 ms 2816 KB Output is correct
22 Correct 3 ms 2816 KB Output is correct
23 Correct 5 ms 2816 KB Output is correct
24 Correct 6 ms 2816 KB Output is correct
25 Correct 4 ms 2816 KB Output is correct
26 Correct 4 ms 2816 KB Output is correct
27 Correct 4 ms 2816 KB Output is correct
28 Correct 5 ms 2816 KB Output is correct
29 Correct 11 ms 2816 KB Output is correct
30 Correct 5 ms 2816 KB Output is correct
31 Correct 8 ms 2816 KB Output is correct
32 Correct 7 ms 2816 KB Output is correct
33 Correct 22 ms 2816 KB Output is correct
34 Correct 15 ms 2816 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2816 KB Output is correct
2 Correct 2 ms 2816 KB Output is correct
3 Correct 2 ms 2816 KB Output is correct
4 Correct 3 ms 2816 KB Output is correct
5 Correct 2 ms 2816 KB Output is correct
6 Correct 2 ms 2816 KB Output is correct
7 Correct 3 ms 2816 KB Output is correct
8 Correct 3 ms 2816 KB Output is correct
9 Correct 3 ms 2816 KB Output is correct
10 Correct 3 ms 2816 KB Output is correct
11 Correct 4 ms 2816 KB Output is correct
12 Correct 4 ms 2816 KB Output is correct
13 Correct 4 ms 2816 KB Output is correct
14 Correct 5 ms 2816 KB Output is correct
15 Correct 5 ms 2816 KB Output is correct
16 Correct 4 ms 2816 KB Output is correct
17 Correct 4 ms 2816 KB Output is correct
18 Correct 3 ms 2816 KB Output is correct
19 Correct 2 ms 2816 KB Output is correct
20 Correct 4 ms 2816 KB Output is correct
21 Correct 3 ms 2816 KB Output is correct
22 Correct 2 ms 2816 KB Output is correct
23 Correct 4 ms 2816 KB Output is correct
24 Correct 6 ms 2816 KB Output is correct
25 Correct 5 ms 2816 KB Output is correct
26 Correct 4 ms 2816 KB Output is correct
27 Correct 4 ms 2816 KB Output is correct
28 Correct 5 ms 2816 KB Output is correct
29 Correct 13 ms 2816 KB Output is correct
30 Correct 5 ms 2816 KB Output is correct
31 Correct 8 ms 2816 KB Output is correct
32 Correct 8 ms 2816 KB Output is correct
33 Correct 22 ms 2816 KB Output is correct
34 Correct 13 ms 2816 KB Output is correct
35 Correct 23 ms 3004 KB Output is correct
36 Correct 5 ms 3004 KB Output is correct
37 Correct 12 ms 3132 KB Output is correct
38 Correct 28 ms 3572 KB Output is correct
39 Correct 11 ms 3572 KB Output is correct
40 Correct 16 ms 3572 KB Output is correct
41 Correct 27 ms 3624 KB Output is correct
42 Correct 9 ms 3624 KB Output is correct
43 Correct 10 ms 3624 KB Output is correct
44 Correct 9 ms 3624 KB Output is correct
45 Correct 113 ms 5100 KB Output is correct
46 Correct 76 ms 5104 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5104 KB Output is correct
2 Correct 3 ms 5104 KB Output is correct
3 Correct 3 ms 5104 KB Output is correct
4 Correct 2 ms 5104 KB Output is correct
5 Correct 2 ms 5104 KB Output is correct
6 Correct 2 ms 5104 KB Output is correct
7 Correct 2 ms 5104 KB Output is correct
8 Correct 2 ms 5104 KB Output is correct
9 Correct 2 ms 5104 KB Output is correct
10 Correct 3 ms 5104 KB Output is correct
11 Correct 3 ms 5104 KB Output is correct
12 Correct 3 ms 5104 KB Output is correct
13 Correct 3 ms 5104 KB Output is correct
14 Correct 4 ms 5104 KB Output is correct
15 Correct 3 ms 5104 KB Output is correct
16 Correct 3 ms 5104 KB Output is correct
17 Correct 4 ms 5104 KB Output is correct
18 Correct 3 ms 5104 KB Output is correct
19 Correct 3 ms 5104 KB Output is correct
20 Correct 4 ms 5104 KB Output is correct
21 Correct 2 ms 5104 KB Output is correct
22 Correct 4 ms 5104 KB Output is correct
23 Correct 6 ms 5104 KB Output is correct
24 Correct 7 ms 5104 KB Output is correct
25 Correct 4 ms 5104 KB Output is correct
26 Correct 5 ms 5104 KB Output is correct
27 Correct 6 ms 5104 KB Output is correct
28 Correct 6 ms 5104 KB Output is correct
29 Correct 11 ms 5104 KB Output is correct
30 Correct 6 ms 5104 KB Output is correct
31 Correct 8 ms 5104 KB Output is correct
32 Correct 8 ms 5104 KB Output is correct
33 Correct 27 ms 5104 KB Output is correct
34 Correct 17 ms 5104 KB Output is correct
35 Correct 21 ms 5104 KB Output is correct
36 Correct 6 ms 5104 KB Output is correct
37 Correct 12 ms 5104 KB Output is correct
38 Correct 28 ms 5104 KB Output is correct
39 Correct 11 ms 5104 KB Output is correct
40 Correct 13 ms 5104 KB Output is correct
41 Correct 30 ms 5104 KB Output is correct
42 Correct 13 ms 5104 KB Output is correct
43 Correct 16 ms 5104 KB Output is correct
44 Correct 11 ms 5104 KB Output is correct
45 Correct 112 ms 5104 KB Output is correct
46 Correct 79 ms 5104 KB Output is correct
47 Correct 22 ms 7536 KB Output is correct
48 Correct 11 ms 7536 KB Output is correct
49 Correct 11 ms 7536 KB Output is correct
50 Correct 8 ms 7536 KB Output is correct
51 Correct 51 ms 23288 KB Output is correct
52 Correct 64 ms 23568 KB Output is correct
53 Correct 21 ms 23568 KB Output is correct
54 Correct 24 ms 23568 KB Output is correct
55 Correct 25 ms 23568 KB Output is correct
56 Correct 36 ms 23568 KB Output is correct
57 Correct 4 ms 23568 KB Output is correct
58 Correct 41 ms 23568 KB Output is correct
59 Correct 35 ms 23568 KB Output is correct
60 Correct 35 ms 23568 KB Output is correct
61 Correct 36 ms 23568 KB Output is correct
62 Correct 82 ms 23568 KB Output is correct
63 Correct 453 ms 33100 KB Output is correct
64 Correct 538 ms 33708 KB Output is correct
65 Execution timed out 1087 ms 42812 KB Time limit exceeded
66 Halted 0 ms 0 KB -