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Submission #334947

# Submission time Handle Problem Language Result Execution time Memory
334947 2020-12-10T12:31:03 Z Saynaa Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 9448 KB 
#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
const int MAXN = 3e5 + 2;
int n, m, b[MAXN], p[MAXN], dis[MAXN];
vector< int > adj[MAXN];

int main(){
	scanf("%d%d", &n, &m);
	for(int i = 0; i < m; i ++){
		scanf("%d%d", &b[i], &p[i]);
		adj[b[i]].push_back(p[i]);
	}
	fill(dis, dis + n, INT_MAX/2);
	dis[b[0]] = 0;
	priority_queue< pair< int, int> > q;
	q.push({0, b[0]});
	while( q.size() ){
		int v = q.top().second, tmp = -q.top().first;
		q.pop();
		if( dis[v] < tmp || dis[v] == INT_MAX/2) continue;
		for(int i = 0; i < adj[v].size(); i ++){
			int u = adj[v][i];
			int x = 1;
			for(int i = v + u; i < n; i += u){
				x ++;
				if( dis[i] <= dis[v] + x - 1)
					continue;
				dis[i] = dis[v] + x - 1, q.push({-dis[i], i});
			} 
			x = 1;
			for(int i = v - u; i >= 0; i -= u){
				x ++;
				if( dis[i] <= dis[v] + x - 1)				
					continue;
				dis[i] = dis[v] + x - 1, q.push({-dis[i], i});
			}
		}
	}
	
	printf("%d", (dis[b[1]] != INT_MAX/2 ? dis[b[1]] : -1 ));
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   for(int i = 0; i < adj[v].size(); i ++){
      |                  ~~^~~~~~~~~~~~~~~
skyscraper.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 |  scanf("%d%d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~
skyscraper.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |   scanf("%d%d", &b[i], &p[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 5 ms 7404 KB Output is correct
4 Correct 5 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 5 ms 7404 KB Output is correct
7 Correct 6 ms 7404 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 7 ms 7404 KB Output is correct
4 Correct 6 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 5 ms 7552 KB Output is correct
7 Correct 5 ms 7404 KB Output is correct
8 Correct 5 ms 7404 KB Output is correct
9 Correct 5 ms 7404 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct
11 Correct 6 ms 7404 KB Output is correct
12 Correct 6 ms 7404 KB Output is correct
13 Correct 6 ms 7424 KB Output is correct
14 Correct 6 ms 7404 KB Output is correct
15 Correct 6 ms 7404 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 6 ms 7404 KB Output is correct
4 Correct 5 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 6 ms 7404 KB Output is correct
7 Correct 6 ms 7404 KB Output is correct
8 Correct 5 ms 7404 KB Output is correct
9 Correct 5 ms 7404 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct
11 Correct 6 ms 7404 KB Output is correct
12 Correct 6 ms 7404 KB Output is correct
13 Correct 6 ms 7404 KB Output is correct
14 Correct 6 ms 7404 KB Output is correct
15 Correct 6 ms 7424 KB Output is correct
16 Correct 6 ms 7404 KB Output is correct
17 Correct 6 ms 7404 KB Output is correct
18 Correct 6 ms 7404 KB Output is correct
19 Correct 7 ms 7404 KB Output is correct
20 Correct 12 ms 7532 KB Output is correct
21 Correct 6 ms 7404 KB Output is correct
22 Correct 6 ms 7404 KB Output is correct
23 Correct 6 ms 7404 KB Output is correct
24 Correct 7 ms 7404 KB Output is correct
25 Correct 7 ms 7660 KB Output is correct
26 Correct 11 ms 7404 KB Output is correct
27 Correct 11 ms 7404 KB Output is correct
28 Correct 6 ms 7404 KB Output is correct
29 Correct 8 ms 7532 KB Output is correct
30 Correct 7 ms 7532 KB Output is correct
31 Correct 6 ms 7532 KB Output is correct
32 Correct 7 ms 7532 KB Output is correct
33 Correct 7 ms 7532 KB Output is correct
34 Correct 7 ms 7660 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 9 ms 7404 KB Output is correct
4 Correct 6 ms 7404 KB Output is correct
5 Correct 9 ms 7404 KB Output is correct
6 Correct 6 ms 7404 KB Output is correct
7 Correct 5 ms 7404 KB Output is correct
8 Correct 7 ms 7404 KB Output is correct
9 Correct 7 ms 7404 KB Output is correct
10 Correct 7 ms 7404 KB Output is correct
11 Correct 7 ms 7404 KB Output is correct
12 Correct 7 ms 7552 KB Output is correct
13 Correct 6 ms 7404 KB Output is correct
14 Correct 6 ms 7404 KB Output is correct
15 Correct 6 ms 7404 KB Output is correct
16 Correct 6 ms 7404 KB Output is correct
17 Correct 7 ms 7404 KB Output is correct
18 Correct 6 ms 7404 KB Output is correct
19 Correct 5 ms 7404 KB Output is correct
20 Correct 11 ms 7532 KB Output is correct
21 Correct 6 ms 7404 KB Output is correct
22 Correct 5 ms 7404 KB Output is correct
23 Correct 187 ms 7404 KB Output is correct
24 Correct 7 ms 7404 KB Output is correct
25 Correct 8 ms 7532 KB Output is correct
26 Correct 12 ms 7404 KB Output is correct
27 Correct 11 ms 7404 KB Output is correct
28 Correct 7 ms 7532 KB Output is correct
29 Correct 7 ms 7532 KB Output is correct
30 Correct 6 ms 7532 KB Output is correct
31 Correct 6 ms 7532 KB Output is correct
32 Correct 6 ms 7532 KB Output is correct
33 Correct 7 ms 7532 KB Output is correct
34 Correct 7 ms 7660 KB Output is correct
35 Correct 13 ms 7788 KB Output is correct
36 Correct 7 ms 7532 KB Output is correct
37 Correct 13 ms 7788 KB Output is correct
38 Correct 16 ms 8044 KB Output is correct
39 Correct 15 ms 7916 KB Output is correct
40 Correct 16 ms 8044 KB Output is correct
41 Correct 15 ms 7916 KB Output is correct
42 Correct 141 ms 7936 KB Output is correct
43 Correct 95 ms 7916 KB Output is correct
44 Correct 106 ms 7804 KB Output is correct
45 Correct 13 ms 7916 KB Output is correct
46 Correct 17 ms 7948 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 7532 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 5 ms 7404 KB Output is correct
4 Correct 6 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 6 ms 7404 KB Output is correct
7 Correct 6 ms 7404 KB Output is correct
8 Correct 6 ms 7404 KB Output is correct
9 Correct 6 ms 7436 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct
11 Correct 6 ms 7404 KB Output is correct
12 Correct 6 ms 7404 KB Output is correct
13 Correct 7 ms 7404 KB Output is correct
14 Correct 6 ms 7404 KB Output is correct
15 Correct 6 ms 7404 KB Output is correct
16 Correct 7 ms 7552 KB Output is correct
17 Correct 7 ms 7424 KB Output is correct
18 Correct 6 ms 7404 KB Output is correct
19 Correct 6 ms 7404 KB Output is correct
20 Correct 14 ms 7532 KB Output is correct
21 Correct 6 ms 7404 KB Output is correct
22 Correct 6 ms 7404 KB Output is correct
23 Correct 6 ms 7404 KB Output is correct
24 Correct 7 ms 7404 KB Output is correct
25 Correct 7 ms 7532 KB Output is correct
26 Correct 11 ms 7404 KB Output is correct
27 Correct 12 ms 7404 KB Output is correct
28 Correct 6 ms 7404 KB Output is correct
29 Correct 7 ms 7532 KB Output is correct
30 Correct 6 ms 7532 KB Output is correct
31 Correct 6 ms 7532 KB Output is correct
32 Correct 6 ms 7532 KB Output is correct
33 Correct 8 ms 7532 KB Output is correct
34 Correct 7 ms 7660 KB Output is correct
35 Correct 13 ms 7788 KB Output is correct
36 Correct 8 ms 7680 KB Output is correct
37 Correct 12 ms 7788 KB Output is correct
38 Correct 15 ms 7916 KB Output is correct
39 Correct 15 ms 7916 KB Output is correct
40 Correct 15 ms 7916 KB Output is correct
41 Correct 15 ms 7916 KB Output is correct
42 Correct 104 ms 7916 KB Output is correct
43 Correct 95 ms 7916 KB Output is correct
44 Correct 101 ms 7804 KB Output is correct
45 Correct 13 ms 7916 KB Output is correct
46 Correct 14 ms 7916 KB Output is correct
47 Correct 24 ms 8556 KB Output is correct
48 Correct 13 ms 8044 KB Output is correct
49 Correct 14 ms 8044 KB Output is correct
50 Correct 11 ms 7916 KB Output is correct
51 Correct 36 ms 9448 KB Output is correct
52 Correct 33 ms 8940 KB Output is correct
53 Correct 24 ms 8940 KB Output is correct
54 Correct 7 ms 7788 KB Output is correct
55 Correct 8 ms 7788 KB Output is correct
56 Execution timed out 1091 ms 9068 KB Time limit exceeded
57 Halted 0 ms 0 KB -