oj.uz

Submission #335234

# Submission time Handle Problem Language Result Execution time Memory
335234 2020-12-11T16:02:30 Z hivakarami Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 407 ms 262148 KB 
#include<bits/stdc++.h>
 
using namespace std;
 
typedef long long int ll;
typedef long double doublel;
#define f first
#define s second
 
const int N = 3e5 + 100;
const ll base = 313;
const ll mod = 1e9 + 9;	
const int inf = 1e8;	

set<pair<int, int>> s;
int dis[N];
vector<pair<int, int>> adj[N];

int n, m, b, p;

void dij(int u)
{
	for(int i = 0; i < n; i++)
		dis[i] = inf;
	dis[u] = 0;
	for(int i = 0; i < n; i++)	
		s.insert({dis[i], i});
	while(!s.empty())
	{
		int x = s.begin() -> s;
		s.erase(s.begin());
		
		for(auto y : adj[x])
		{
			if(dis[y.f] > dis[x] + y.s)
			{
				s.erase({dis[y.f], y.f});
				dis[y.f] = dis[x] + y.s;
				s.insert({dis[y.f], y.f});
			}
		}
	}	
		
		
}





int main()
{
    ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);	

	int x, y;
	cin >> n >> m;
	for(int i = 0; i < m; i++)
	{
		cin >> b >> p;
		for(int i = b+p; i < n; i += p)
		{
			adj[b].push_back({i, (i-b)/p});
			//cout << i << ' ' << b << ' ' << (i-b)/p << endl; 
		}
			
		for(int i = b-p; i >= 0; i -= p)
		{
			adj[b].push_back({i, (b-i)/p});
			//cout << i << ' ' << b << ' ' << (b-i)/p << endl;
		}
		
		if(i == 0)
			x = b;
		if(i == 1)
			y = b;
		
	}
	
	dij(x);
	
	if(dis[y] >= inf)
		dis[y] = -1;
	cout << dis[y] << endl;
	
	
	

    return 0;
}

 
 	
 	


/*
5 3
0 2
1 1
4 1
*/

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:83:15: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
   83 |  cout << dis[y] << endl;
      |               ^
skyscraper.cpp:79:5: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
   79 |  dij(x);
      |  ~~~^~~

Subtask #1
10.0 / 10.0

# 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 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 5 ms 7404 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Correct 6 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 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 7532 KB Output is correct
12 Correct 10 ms 9576 KB Output is correct
13 Correct 10 ms 9584 KB Output is correct
14 Correct 6 ms 7404 KB Output is correct
15 Correct 5 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 5 ms 7436 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 5 ms 7424 KB Output is correct
8 Correct 5 ms 7404 KB Output is correct
9 Correct 5 ms 7404 KB Output is correct
10 Correct 6 ms 7532 KB Output is correct
11 Correct 6 ms 7532 KB Output is correct
12 Correct 10 ms 9576 KB Output is correct
13 Correct 10 ms 9584 KB Output is correct
14 Correct 6 ms 7532 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 7660 KB Output is correct
18 Correct 6 ms 7532 KB Output is correct
19 Correct 6 ms 7532 KB Output is correct
20 Correct 73 ms 39532 KB Output is correct
21 Correct 5 ms 7404 KB Output is correct
22 Correct 6 ms 7532 KB Output is correct
23 Correct 7 ms 7532 KB Output is correct
24 Correct 8 ms 7660 KB Output is correct
25 Correct 7 ms 7532 KB Output is correct
26 Correct 81 ms 40520 KB Output is correct
27 Correct 79 ms 40556 KB Output is correct
28 Correct 7 ms 7788 KB Output is correct
29 Correct 10 ms 8172 KB Output is correct
30 Correct 8 ms 7660 KB Output is correct
31 Correct 8 ms 7788 KB Output is correct
32 Correct 7 ms 7788 KB Output is correct
33 Correct 12 ms 8684 KB Output is correct
34 Correct 12 ms 8684 KB Output is correct

Subtask #4
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 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 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 6 ms 7404 KB Output is correct
11 Correct 6 ms 7532 KB Output is correct
12 Correct 10 ms 9576 KB Output is correct
13 Correct 10 ms 9604 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 7660 KB Output is correct
18 Correct 6 ms 7532 KB Output is correct
19 Correct 7 ms 7532 KB Output is correct
20 Correct 74 ms 39572 KB Output is correct
21 Correct 6 ms 7404 KB Output is correct
22 Correct 6 ms 7532 KB Output is correct
23 Correct 7 ms 7532 KB Output is correct
24 Correct 8 ms 7660 KB Output is correct
25 Correct 7 ms 7532 KB Output is correct
26 Correct 81 ms 40528 KB Output is correct
27 Correct 81 ms 40408 KB Output is correct
28 Correct 7 ms 7788 KB Output is correct
29 Correct 10 ms 8172 KB Output is correct
30 Correct 7 ms 7680 KB Output is correct
31 Correct 8 ms 7788 KB Output is correct
32 Correct 8 ms 7788 KB Output is correct
33 Correct 12 ms 8684 KB Output is correct
34 Correct 12 ms 8684 KB Output is correct
35 Correct 15 ms 9088 KB Output is correct
36 Correct 8 ms 7716 KB Output is correct
37 Correct 19 ms 10732 KB Output is correct
38 Correct 19 ms 9964 KB Output is correct
39 Correct 19 ms 10092 KB Output is correct
40 Correct 19 ms 9992 KB Output is correct
41 Correct 18 ms 9964 KB Output is correct
42 Runtime error 407 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# 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 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 6 ms 7404 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 7532 KB Output is correct
12 Correct 12 ms 9576 KB Output is correct
13 Correct 10 ms 9584 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 7660 KB Output is correct
18 Correct 6 ms 7532 KB Output is correct
19 Correct 6 ms 7532 KB Output is correct
20 Correct 74 ms 39532 KB Output is correct
21 Correct 5 ms 7404 KB Output is correct
22 Correct 6 ms 7532 KB Output is correct
23 Correct 7 ms 7532 KB Output is correct
24 Correct 7 ms 7660 KB Output is correct
25 Correct 7 ms 7532 KB Output is correct
26 Correct 82 ms 40520 KB Output is correct
27 Correct 80 ms 40540 KB Output is correct
28 Correct 7 ms 7660 KB Output is correct
29 Correct 10 ms 8172 KB Output is correct
30 Correct 7 ms 7660 KB Output is correct
31 Correct 8 ms 7788 KB Output is correct
32 Correct 7 ms 7788 KB Output is correct
33 Correct 12 ms 8684 KB Output is correct
34 Correct 12 ms 8684 KB Output is correct
35 Correct 15 ms 8940 KB Output is correct
36 Correct 8 ms 7660 KB Output is correct
37 Correct 18 ms 10604 KB Output is correct
38 Correct 18 ms 9964 KB Output is correct
39 Correct 19 ms 10092 KB Output is correct
40 Correct 19 ms 9964 KB Output is correct
41 Correct 20 ms 9836 KB Output is correct
42 Runtime error 406 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -