oj.uz

Submission #488572

# Submission time Handle Problem Language Result Execution time Memory
488572 2021-11-19T16:48:19 Z pooyashams Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 233 ms 262148 KB 
#include <algorithm>
#include <iostream>
#include <cstring>
#include <numeric>
#include <vector>
#include <bitset>
#include <stack>
#include <queue>
#include <cmath>
#include <set>
#include <map>

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, int> pli;

const int maxn = 3e4+10;
const int mxsq = 210;
const int sq = 200;
const int maxt = maxn*mxsq;
const ll inf = 1e16;

int len[maxn];
int pos[maxn];
ll dist[maxt];
vector<pli> G[maxt];

inline void add_edge(int a, int b, ll w, bool nd)
{
	G[a].push_back({w, b});
	if(nd)
		G[b].push_back({w, a});
}

inline void dijkstra(int s)
{
	set<pli> pq;
	fill(dist, dist+maxt, inf);
	auto mark = [&](int v, ll d)
	{
		if(dist[v] <= d) return;
		pq.erase({dist[v], v});
		dist[v] = d;
		pq.insert({dist[v], v});
	};
	mark(s, 0);
	while(!pq.empty())
	{
		int t = pq.begin()->second;
		ll d = pq.begin()->first;
		pq.erase(pq.begin());
		for(pli e: G[t])
		{
			int u = e.second;
			ll w = e.first;
			mark(u, d+w);
		}
	}
}

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n, m; cin >> m >> n;
	for(int p = 1; p < sq; p++)
	{
		for(int i = 0; i < m; i++)
		{
			if(i + p < m)
				add_edge(p*m+i, p*m+i+p, 1, true);
			add_edge(p*m+i, i, 0, false);
		}
	}
	for(int i = 0; i < n; i++)
	{
		cin >> pos[i] >> len[i];
		int b = pos[i];
		int p = len[i];
		if(p >= sq)
		{
			for(int j = b%p; j < m; j += p)
			{
				add_edge(b, j, abs(b-j)/p, false);
			}
		}
		else
		{
			add_edge(b, p*m+b, 0, false);
		}
	}
	dijkstra(pos[0]);
	ll x = dist[pos[1]];
	if(x == inf) x = -1;
	cout << x << endl;
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 197636 KB Output is correct
2 Correct 85 ms 197600 KB Output is correct
3 Correct 84 ms 197640 KB Output is correct
4 Correct 86 ms 197664 KB Output is correct
5 Correct 85 ms 197648 KB Output is correct
6 Correct 84 ms 197672 KB Output is correct
7 Correct 85 ms 197668 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 197572 KB Output is correct
2 Correct 88 ms 197624 KB Output is correct
3 Correct 90 ms 197740 KB Output is correct
4 Correct 85 ms 197596 KB Output is correct
5 Correct 92 ms 197684 KB Output is correct
6 Correct 85 ms 197572 KB Output is correct
7 Correct 86 ms 197620 KB Output is correct
8 Correct 86 ms 197828 KB Output is correct
9 Correct 86 ms 197956 KB Output is correct
10 Correct 88 ms 198384 KB Output is correct
11 Correct 99 ms 198572 KB Output is correct
12 Correct 90 ms 198456 KB Output is correct
13 Correct 87 ms 198468 KB Output is correct
14 Correct 92 ms 198664 KB Output is correct
15 Correct 88 ms 198620 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 197576 KB Output is correct
2 Correct 88 ms 197580 KB Output is correct
3 Correct 86 ms 197628 KB Output is correct
4 Correct 87 ms 197644 KB Output is correct
5 Correct 85 ms 197644 KB Output is correct
6 Correct 88 ms 197684 KB Output is correct
7 Correct 87 ms 197628 KB Output is correct
8 Correct 86 ms 197848 KB Output is correct
9 Correct 86 ms 197992 KB Output is correct
10 Correct 94 ms 198452 KB Output is correct
11 Correct 91 ms 198596 KB Output is correct
12 Correct 87 ms 198508 KB Output is correct
13 Correct 87 ms 198468 KB Output is correct
14 Correct 89 ms 198544 KB Output is correct
15 Correct 89 ms 198576 KB Output is correct
16 Correct 90 ms 199632 KB Output is correct
17 Correct 110 ms 208080 KB Output is correct
18 Correct 125 ms 223556 KB Output is correct
19 Correct 129 ms 227524 KB Output is correct
20 Correct 144 ms 227680 KB Output is correct
21 Correct 94 ms 202436 KB Output is correct
22 Correct 122 ms 224068 KB Output is correct
23 Correct 121 ms 221292 KB Output is correct
24 Correct 129 ms 226048 KB Output is correct
25 Correct 136 ms 227596 KB Output is correct
26 Correct 134 ms 227512 KB Output is correct
27 Correct 133 ms 227672 KB Output is correct
28 Correct 130 ms 227632 KB Output is correct
29 Correct 136 ms 227496 KB Output is correct
30 Correct 132 ms 227472 KB Output is correct
31 Correct 131 ms 227496 KB Output is correct
32 Correct 132 ms 227520 KB Output is correct
33 Correct 144 ms 227724 KB Output is correct
34 Correct 145 ms 227688 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 197620 KB Output is correct
2 Correct 85 ms 197612 KB Output is correct
3 Correct 86 ms 197576 KB Output is correct
4 Correct 85 ms 197652 KB Output is correct
5 Correct 97 ms 197608 KB Output is correct
6 Correct 98 ms 197612 KB Output is correct
7 Correct 90 ms 197676 KB Output is correct
8 Correct 87 ms 197756 KB Output is correct
9 Correct 88 ms 197984 KB Output is correct
10 Correct 87 ms 198436 KB Output is correct
11 Correct 88 ms 198532 KB Output is correct
12 Correct 87 ms 198468 KB Output is correct
13 Correct 94 ms 198436 KB Output is correct
14 Correct 92 ms 198576 KB Output is correct
15 Correct 91 ms 198628 KB Output is correct
16 Correct 91 ms 199568 KB Output is correct
17 Correct 106 ms 208060 KB Output is correct
18 Correct 126 ms 223556 KB Output is correct
19 Correct 129 ms 227472 KB Output is correct
20 Correct 131 ms 227524 KB Output is correct
21 Correct 94 ms 202420 KB Output is correct
22 Correct 126 ms 224168 KB Output is correct
23 Correct 127 ms 221328 KB Output is correct
24 Correct 130 ms 226028 KB Output is correct
25 Correct 131 ms 227588 KB Output is correct
26 Correct 134 ms 227564 KB Output is correct
27 Correct 133 ms 227572 KB Output is correct
28 Correct 139 ms 227652 KB Output is correct
29 Correct 137 ms 227608 KB Output is correct
30 Correct 130 ms 227548 KB Output is correct
31 Correct 131 ms 227528 KB Output is correct
32 Correct 135 ms 227532 KB Output is correct
33 Correct 141 ms 227644 KB Output is correct
34 Correct 142 ms 227628 KB Output is correct
35 Correct 143 ms 220304 KB Output is correct
36 Correct 111 ms 213584 KB Output is correct
37 Correct 189 ms 228920 KB Output is correct
38 Correct 167 ms 229792 KB Output is correct
39 Correct 173 ms 229828 KB Output is correct
40 Correct 167 ms 229780 KB Output is correct
41 Correct 179 ms 229884 KB Output is correct
42 Correct 132 ms 228596 KB Output is correct
43 Correct 133 ms 228556 KB Output is correct
44 Correct 131 ms 228556 KB Output is correct
45 Correct 203 ms 231756 KB Output is correct
46 Correct 202 ms 231740 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 197616 KB Output is correct
2 Correct 87 ms 197580 KB Output is correct
3 Correct 88 ms 197620 KB Output is correct
4 Correct 85 ms 197672 KB Output is correct
5 Correct 85 ms 197588 KB Output is correct
6 Correct 87 ms 197608 KB Output is correct
7 Correct 86 ms 197600 KB Output is correct
8 Correct 86 ms 197828 KB Output is correct
9 Correct 88 ms 197956 KB Output is correct
10 Correct 88 ms 198384 KB Output is correct
11 Correct 90 ms 198540 KB Output is correct
12 Correct 87 ms 198468 KB Output is correct
13 Correct 88 ms 198444 KB Output is correct
14 Correct 97 ms 198528 KB Output is correct
15 Correct 92 ms 198696 KB Output is correct
16 Correct 89 ms 199620 KB Output is correct
17 Correct 108 ms 208068 KB Output is correct
18 Correct 127 ms 223620 KB Output is correct
19 Correct 132 ms 227524 KB Output is correct
20 Correct 131 ms 227580 KB Output is correct
21 Correct 93 ms 202436 KB Output is correct
22 Correct 121 ms 224120 KB Output is correct
23 Correct 121 ms 221288 KB Output is correct
24 Correct 131 ms 226116 KB Output is correct
25 Correct 134 ms 227768 KB Output is correct
26 Correct 134 ms 227516 KB Output is correct
27 Correct 135 ms 227628 KB Output is correct
28 Correct 130 ms 227652 KB Output is correct
29 Correct 143 ms 227592 KB Output is correct
30 Correct 131 ms 227540 KB Output is correct
31 Correct 132 ms 227512 KB Output is correct
32 Correct 130 ms 227500 KB Output is correct
33 Correct 144 ms 227652 KB Output is correct
34 Correct 148 ms 227696 KB Output is correct
35 Correct 145 ms 220320 KB Output is correct
36 Correct 112 ms 213624 KB Output is correct
37 Correct 174 ms 228656 KB Output is correct
38 Correct 180 ms 229716 KB Output is correct
39 Correct 171 ms 229756 KB Output is correct
40 Correct 171 ms 229792 KB Output is correct
41 Correct 172 ms 229816 KB Output is correct
42 Correct 137 ms 228484 KB Output is correct
43 Correct 140 ms 228556 KB Output is correct
44 Correct 132 ms 228580 KB Output is correct
45 Correct 212 ms 231764 KB Output is correct
46 Correct 209 ms 231748 KB Output is correct
47 Runtime error 233 ms 262148 KB Execution killed with signal 9
48 Halted 0 ms 0 KB -