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Submission #153066

# Submission time Handle Problem Language Result Execution time Memory
153066 2019-09-12T05:59:13 Z songc Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 70828 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
typedef pair<int,int> pii;

int N, M, S, E;
set<int> chk[30303];
vector<int> V[30303];
int D[30303];
priority_queue<pii, vector<pii>, greater<pii>> PQ;

int main(){
	scanf("%d %d", &N, &M);
	for (int i=1; i<=M; i++){
		int x, y;
		scanf("%d %d", &x, &y);
		if (i == 1) S = x;
		if (i == 2) E = x;
		V[x].push_back(y);
	}
	memset(D, -1, sizeof D);
	PQ.push(pii(0, S));
	while (!PQ.empty()){
		int x, d;
		tie(d,x) = PQ.top();
		PQ.pop();
		if (D[x] != -1) continue;
		D[x] = d;
		for (int v : V[x]){
			for (int i=1; x-v*i>=0; i++){
				if (chk[x-v*i].find(v) != chk[x-v*i].end()) break;
				chk[x-v*i].insert(v);
				PQ.push(pii(d+i, x-v*i));
			}
			for (int i=1; x+v*i<N; i++){
				if (chk[x+v*i].find(v) != chk[x+v*i].end()) break;
				chk[x+v*i].insert(v);
				PQ.push(pii(d+i, x+v*i));
			}
		}
	}
	printf("%d\n", D[E]);
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:13:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &N, &M);
  ~~~~~^~~~~~~~~~~~~~~~~
skyscraper.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &x, &y);
   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2552 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2552 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2556 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2552 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2552 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 5 ms 2552 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct
8 Correct 4 ms 2556 KB Output is correct
9 Correct 4 ms 2684 KB Output is correct
10 Correct 5 ms 2552 KB Output is correct
11 Correct 6 ms 2808 KB Output is correct
12 Correct 5 ms 2680 KB Output is correct
13 Correct 4 ms 2684 KB Output is correct
14 Correct 6 ms 2808 KB Output is correct
15 Correct 6 ms 2936 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2556 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2552 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2552 KB Output is correct
7 Correct 4 ms 2556 KB Output is correct
8 Correct 4 ms 2552 KB Output is correct
9 Correct 4 ms 2552 KB Output is correct
10 Correct 4 ms 2552 KB Output is correct
11 Correct 7 ms 2680 KB Output is correct
12 Correct 5 ms 2680 KB Output is correct
13 Correct 5 ms 2552 KB Output is correct
14 Correct 7 ms 2808 KB Output is correct
15 Correct 7 ms 2808 KB Output is correct
16 Correct 4 ms 2552 KB Output is correct
17 Correct 10 ms 3292 KB Output is correct
18 Correct 5 ms 2680 KB Output is correct
19 Correct 4 ms 2500 KB Output is correct
20 Correct 5 ms 2680 KB Output is correct
21 Correct 5 ms 2552 KB Output is correct
22 Correct 4 ms 2680 KB Output is correct
23 Correct 7 ms 2936 KB Output is correct
24 Correct 9 ms 3152 KB Output is correct
25 Correct 8 ms 2936 KB Output is correct
26 Correct 8 ms 2936 KB Output is correct
27 Correct 7 ms 2936 KB Output is correct
28 Correct 11 ms 3576 KB Output is correct
29 Correct 38 ms 5876 KB Output is correct
30 Correct 10 ms 3448 KB Output is correct
31 Correct 19 ms 4216 KB Output is correct
32 Correct 13 ms 3704 KB Output is correct
33 Correct 72 ms 9136 KB Output is correct
34 Correct 71 ms 9064 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2552 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2552 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2552 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct
8 Correct 4 ms 2552 KB Output is correct
9 Correct 4 ms 2552 KB Output is correct
10 Correct 4 ms 2556 KB Output is correct
11 Correct 6 ms 2812 KB Output is correct
12 Correct 5 ms 2552 KB Output is correct
13 Correct 4 ms 2552 KB Output is correct
14 Correct 6 ms 2808 KB Output is correct
15 Correct 6 ms 2808 KB Output is correct
16 Correct 4 ms 2552 KB Output is correct
17 Correct 9 ms 3320 KB Output is correct
18 Correct 4 ms 2680 KB Output is correct
19 Correct 5 ms 2684 KB Output is correct
20 Correct 5 ms 2808 KB Output is correct
21 Correct 4 ms 2552 KB Output is correct
22 Correct 5 ms 2680 KB Output is correct
23 Correct 6 ms 2936 KB Output is correct
24 Correct 9 ms 3192 KB Output is correct
25 Correct 6 ms 2936 KB Output is correct
26 Correct 6 ms 2936 KB Output is correct
27 Correct 6 ms 2936 KB Output is correct
28 Correct 10 ms 3576 KB Output is correct
29 Correct 33 ms 5876 KB Output is correct
30 Correct 10 ms 3448 KB Output is correct
31 Correct 18 ms 4348 KB Output is correct
32 Correct 13 ms 3816 KB Output is correct
33 Correct 71 ms 9064 KB Output is correct
34 Correct 71 ms 9072 KB Output is correct
35 Correct 56 ms 7160 KB Output is correct
36 Correct 11 ms 3324 KB Output is correct
37 Correct 114 ms 11148 KB Output is correct
38 Correct 95 ms 10216 KB Output is correct
39 Correct 92 ms 10088 KB Output is correct
40 Correct 96 ms 10088 KB Output is correct
41 Correct 105 ms 10132 KB Output is correct
42 Correct 13 ms 3320 KB Output is correct
43 Correct 13 ms 3192 KB Output is correct
44 Correct 11 ms 3064 KB Output is correct
45 Correct 377 ms 27684 KB Output is correct
46 Correct 361 ms 27612 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2556 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2524 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2552 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct
8 Correct 4 ms 2552 KB Output is correct
9 Correct 4 ms 2552 KB Output is correct
10 Correct 4 ms 2556 KB Output is correct
11 Correct 6 ms 2808 KB Output is correct
12 Correct 5 ms 2552 KB Output is correct
13 Correct 4 ms 2524 KB Output is correct
14 Correct 6 ms 2808 KB Output is correct
15 Correct 6 ms 2808 KB Output is correct
16 Correct 5 ms 2552 KB Output is correct
17 Correct 10 ms 3320 KB Output is correct
18 Correct 4 ms 2552 KB Output is correct
19 Correct 6 ms 2552 KB Output is correct
20 Correct 5 ms 2680 KB Output is correct
21 Correct 5 ms 2556 KB Output is correct
22 Correct 4 ms 2552 KB Output is correct
23 Correct 6 ms 2808 KB Output is correct
24 Correct 9 ms 3192 KB Output is correct
25 Correct 7 ms 2936 KB Output is correct
26 Correct 6 ms 2936 KB Output is correct
27 Correct 6 ms 2936 KB Output is correct
28 Correct 12 ms 3576 KB Output is correct
29 Correct 37 ms 5872 KB Output is correct
30 Correct 10 ms 3448 KB Output is correct
31 Correct 19 ms 4344 KB Output is correct
32 Correct 12 ms 3704 KB Output is correct
33 Correct 81 ms 9044 KB Output is correct
34 Correct 82 ms 9064 KB Output is correct
35 Correct 60 ms 7152 KB Output is correct
36 Correct 12 ms 3320 KB Output is correct
37 Correct 122 ms 11212 KB Output is correct
38 Correct 101 ms 10284 KB Output is correct
39 Correct 96 ms 10060 KB Output is correct
40 Correct 108 ms 10092 KB Output is correct
41 Correct 107 ms 10308 KB Output is correct
42 Correct 16 ms 3320 KB Output is correct
43 Correct 12 ms 3192 KB Output is correct
44 Correct 11 ms 3064 KB Output is correct
45 Correct 475 ms 27680 KB Output is correct
46 Correct 433 ms 27700 KB Output is correct
47 Correct 682 ms 41716 KB Output is correct
48 Correct 13 ms 3192 KB Output is correct
49 Correct 14 ms 3320 KB Output is correct
50 Correct 12 ms 3064 KB Output is correct
51 Correct 205 ms 18532 KB Output is correct
52 Correct 244 ms 20064 KB Output is correct
53 Correct 32 ms 6768 KB Output is correct
54 Correct 7 ms 3448 KB Output is correct
55 Correct 9 ms 3832 KB Output is correct
56 Correct 21 ms 5360 KB Output is correct
57 Correct 305 ms 25552 KB Output is correct
58 Correct 23 ms 6256 KB Output is correct
59 Correct 32 ms 7792 KB Output is correct
60 Correct 50 ms 9068 KB Output is correct
61 Correct 40 ms 8176 KB Output is correct
62 Correct 238 ms 25940 KB Output is correct
63 Execution timed out 1082 ms 70828 KB Time limit exceeded
64 Halted 0 ms 0 KB -