oj.uz

Submission #531132

# Submission time Handle Problem Language Result Execution time Memory
531132 2022-02-27T19:47:26 Z Hanksburger Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 147 ms 262148 KB 
#include <bits/stdc++.h>
using namespace std;
vector<pair<int, bool> > adj[10500005];
int dist[10500005], a[30005][175];
deque<int> deq;
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n, m, s, t, sz;
	cin >> n >> m;
	sz=n;
	for (int i=0; i<m; i++)
	{
		int b, p;
		cin >> b >> p;
		if (i==0)
			s=b;
		else if (i==1)
			t=b;
		if (p*p<=m)
		{
			if (!a[b][p])
			{
				a[b%p][p]=sz;
				sz++;
				adj[a[b%p][p]].push_back({b%p, 0});
				for (int j=b%p+p; j<n; j+=p)
				{
					a[j][p]=sz;
					sz++;
					adj[a[j][p]].push_back({j, 0});
					adj[a[j][p]].push_back({a[j-p][p], 1});
					adj[a[j-p][p]].push_back({a[j][p], 1});
				}
			}
			adj[b].push_back({a[b][p], 0});
		}
		else
		{
			int prev=b;
			for (int j=b-p; j>=0; j-=p)
			{
				adj[prev].push_back({sz, 1});
				adj[sz].push_back({j, 0});
				prev=sz;
				sz++;
			}
			prev=b;
			for (int j=b+p; j<n; j+=p)
			{
				adj[prev].push_back({sz, 1});
				adj[sz].push_back({j, 0});
				prev=sz;
				sz++;
			}
		}
	}
	for (int i=0; i<sz; i++)
		dist[i]=1e9;
	dist[s]=0;
	deq.push_back(s);
	while (!deq.empty())
	{
		int u=deq.front();
		deq.pop_front();
		for (int i=0; i<adj[u].size(); i++)
		{
			int v=adj[u][i].first;
			bool w=adj[u][i].second;
			if (dist[v]==1e9)
			{
				dist[v]=dist[u]+w;
				if (w)
					deq.push_back(v);
				else
					deq.push_front(v);
			}
		}
	}
	if (dist[t]==1e9)
		cout << -1;
	else
		cout << dist[t];
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:68:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |   for (int i=0; i<adj[u].size(); i++)
      |                 ~^~~~~~~~~~~~~~
skyscraper.cpp:82:12: warning: 't' may be used uninitialized in this function [-Wmaybe-uninitialized]
   82 |  if (dist[t]==1e9)
      |      ~~~~~~^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 246888 KB Output is correct
2 Correct 111 ms 246808 KB Output is correct
3 Correct 111 ms 246884 KB Output is correct
4 Correct 121 ms 246764 KB Output is correct
5 Correct 110 ms 246848 KB Output is correct
6 Correct 110 ms 246868 KB Output is correct
7 Correct 110 ms 246852 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 111 ms 246864 KB Output is correct
2 Correct 113 ms 246832 KB Output is correct
3 Correct 111 ms 246852 KB Output is correct
4 Correct 114 ms 246812 KB Output is correct
5 Correct 111 ms 246856 KB Output is correct
6 Correct 117 ms 246904 KB Output is correct
7 Correct 124 ms 246772 KB Output is correct
8 Correct 111 ms 246820 KB Output is correct
9 Correct 111 ms 246852 KB Output is correct
10 Correct 112 ms 246980 KB Output is correct
11 Correct 113 ms 247072 KB Output is correct
12 Correct 111 ms 246980 KB Output is correct
13 Correct 113 ms 246980 KB Output is correct
14 Correct 113 ms 247200 KB Output is correct
15 Correct 114 ms 247180 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 246844 KB Output is correct
2 Correct 112 ms 246796 KB Output is correct
3 Correct 112 ms 246852 KB Output is correct
4 Correct 111 ms 246808 KB Output is correct
5 Correct 115 ms 246804 KB Output is correct
6 Correct 113 ms 246852 KB Output is correct
7 Correct 112 ms 246868 KB Output is correct
8 Correct 113 ms 246820 KB Output is correct
9 Correct 112 ms 246884 KB Output is correct
10 Correct 112 ms 246968 KB Output is correct
11 Correct 112 ms 247116 KB Output is correct
12 Correct 119 ms 246916 KB Output is correct
13 Correct 111 ms 246944 KB Output is correct
14 Correct 113 ms 247108 KB Output is correct
15 Correct 112 ms 247092 KB Output is correct
16 Correct 111 ms 247116 KB Output is correct
17 Correct 113 ms 247948 KB Output is correct
18 Correct 112 ms 248360 KB Output is correct
19 Correct 120 ms 248496 KB Output is correct
20 Correct 111 ms 248336 KB Output is correct
21 Correct 111 ms 247236 KB Output is correct
22 Correct 112 ms 248316 KB Output is correct
23 Correct 118 ms 248260 KB Output is correct
24 Correct 112 ms 248680 KB Output is correct
25 Correct 113 ms 248472 KB Output is correct
26 Correct 113 ms 248624 KB Output is correct
27 Correct 111 ms 248516 KB Output is correct
28 Correct 113 ms 249148 KB Output is correct
29 Correct 118 ms 250892 KB Output is correct
30 Correct 112 ms 248900 KB Output is correct
31 Correct 117 ms 249428 KB Output is correct
32 Correct 114 ms 249028 KB Output is correct
33 Correct 134 ms 253764 KB Output is correct
34 Correct 141 ms 253636 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 111 ms 246852 KB Output is correct
2 Correct 111 ms 246852 KB Output is correct
3 Correct 114 ms 246820 KB Output is correct
4 Correct 111 ms 246856 KB Output is correct
5 Correct 111 ms 246776 KB Output is correct
6 Correct 110 ms 246852 KB Output is correct
7 Correct 125 ms 246828 KB Output is correct
8 Correct 118 ms 246956 KB Output is correct
9 Correct 110 ms 246836 KB Output is correct
10 Correct 112 ms 247012 KB Output is correct
11 Correct 113 ms 247144 KB Output is correct
12 Correct 111 ms 247008 KB Output is correct
13 Correct 111 ms 246984 KB Output is correct
14 Correct 111 ms 247108 KB Output is correct
15 Correct 114 ms 247152 KB Output is correct
16 Correct 113 ms 247108 KB Output is correct
17 Correct 113 ms 247916 KB Output is correct
18 Correct 113 ms 248296 KB Output is correct
19 Correct 112 ms 248460 KB Output is correct
20 Correct 113 ms 248388 KB Output is correct
21 Correct 112 ms 247120 KB Output is correct
22 Correct 113 ms 248284 KB Output is correct
23 Correct 112 ms 248256 KB Output is correct
24 Correct 115 ms 248652 KB Output is correct
25 Correct 128 ms 248516 KB Output is correct
26 Correct 117 ms 248716 KB Output is correct
27 Correct 116 ms 248584 KB Output is correct
28 Correct 114 ms 249156 KB Output is correct
29 Correct 123 ms 250864 KB Output is correct
30 Correct 114 ms 248832 KB Output is correct
31 Correct 114 ms 249456 KB Output is correct
32 Correct 114 ms 249048 KB Output is correct
33 Correct 129 ms 253708 KB Output is correct
34 Correct 133 ms 253748 KB Output is correct
35 Correct 129 ms 251860 KB Output is correct
36 Correct 114 ms 248304 KB Output is correct
37 Correct 144 ms 255772 KB Output is correct
38 Correct 140 ms 254896 KB Output is correct
39 Correct 140 ms 254908 KB Output is correct
40 Correct 142 ms 254996 KB Output is correct
41 Correct 139 ms 254876 KB Output is correct
42 Correct 116 ms 249132 KB Output is correct
43 Correct 116 ms 249100 KB Output is correct
44 Correct 116 ms 248840 KB Output is correct
45 Runtime error 132 ms 262148 KB Execution killed with signal 9
46 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 246856 KB Output is correct
2 Correct 112 ms 246872 KB Output is correct
3 Correct 119 ms 246852 KB Output is correct
4 Correct 110 ms 246916 KB Output is correct
5 Correct 111 ms 246800 KB Output is correct
6 Correct 113 ms 246836 KB Output is correct
7 Correct 111 ms 246852 KB Output is correct
8 Correct 111 ms 246852 KB Output is correct
9 Correct 111 ms 246816 KB Output is correct
10 Correct 110 ms 246932 KB Output is correct
11 Correct 112 ms 247044 KB Output is correct
12 Correct 113 ms 246980 KB Output is correct
13 Correct 115 ms 247000 KB Output is correct
14 Correct 112 ms 247100 KB Output is correct
15 Correct 111 ms 247172 KB Output is correct
16 Correct 113 ms 247168 KB Output is correct
17 Correct 113 ms 248004 KB Output is correct
18 Correct 119 ms 248372 KB Output is correct
19 Correct 113 ms 248376 KB Output is correct
20 Correct 114 ms 248388 KB Output is correct
21 Correct 112 ms 247144 KB Output is correct
22 Correct 112 ms 248280 KB Output is correct
23 Correct 115 ms 248184 KB Output is correct
24 Correct 113 ms 248624 KB Output is correct
25 Correct 116 ms 248540 KB Output is correct
26 Correct 113 ms 248632 KB Output is correct
27 Correct 114 ms 248732 KB Output is correct
28 Correct 114 ms 249256 KB Output is correct
29 Correct 128 ms 250968 KB Output is correct
30 Correct 114 ms 248864 KB Output is correct
31 Correct 115 ms 249452 KB Output is correct
32 Correct 122 ms 249124 KB Output is correct
33 Correct 130 ms 253692 KB Output is correct
34 Correct 130 ms 253724 KB Output is correct
35 Correct 127 ms 251888 KB Output is correct
36 Correct 114 ms 248200 KB Output is correct
37 Correct 143 ms 255832 KB Output is correct
38 Correct 139 ms 254916 KB Output is correct
39 Correct 140 ms 254908 KB Output is correct
40 Correct 147 ms 255012 KB Output is correct
41 Correct 139 ms 254916 KB Output is correct
42 Correct 115 ms 249180 KB Output is correct
43 Correct 118 ms 249104 KB Output is correct
44 Correct 119 ms 248836 KB Output is correct
45 Runtime error 133 ms 262148 KB Execution killed with signal 9
46 Halted 0 ms 0 KB -