oj.uz

답안 #102822

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
102822 2019-03-27T16:02:03 Z Noam527 Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 356 ms 121496 KB 
#include <bits/stdc++.h>
#define CHECK cout << "ok" << endl
#define finish(x) return cout << x << endl, 0
typedef long long ll;
typedef long double ldb;
const int md = 1e9 + 7;
const ll inf = 1e18;
const int OO = 1;
const int OOO = 1;
using namespace std;

const int lim = 1000003;

struct edge {
	int to, w;
	edge(int tt, int ww) {
		to = tt;
		w = ww;
	}
	bool operator < (const edge &a) const {
		return w > a.w;
	}
};

int n, m;
int B[30003], P[30003];
vector<edge> g[30003];
map<pair<int, int>, vector<int>> M;

int d[30003];
vector<int> nxt[lim];

void add(vector<int> &pos, int len) {
	sort(pos.begin(), pos.end());
	int l, r;
	for (int i = 0; i < pos.size(); i++) {
		l = (i == 0 ? 0 : pos[i - 1]);
		r = (i == (int)pos.size() - 1 ? n - 1 : pos[i + 1]);
		for (int j = pos[i] - len; j >= l; j -= len)
			g[pos[i]].push_back(edge(j, (pos[i] - j) / len));
		for (int j = pos[i] + len; j <= r; j += len)
			g[pos[i]].push_back(edge(j, (j - pos[i]) / len));
	}
}

void dijkstra() {
	for (int i = 0; i < n; i++) d[i] = -1;
	
	nxt[0].push_back(B[0]);
	for (int dis = 0; d[B[1]] == -1 && dis <= lim; dis++) {
		for (const auto &x : nxt[dis]) {
			if (d[x] != -1) continue;
			d[x] = dis;
			for (const auto &i : g[x])
				if (dis + i.w <= lim && d[i.to] == -1)
					nxt[dis + i.w].push_back(i.to);
		}
	}
	
	/*
	priority_queue<edge> q;
	q.push(edge(B[0], 0));
	while (q.size()) {
		edge x = q.top();
		q.pop();
		if (d[x.to] != -1) continue;
		d[x.to] = x.w;
		for (const auto &i : g[x.to])
			if (d[i.to] == -1)
				q.push(edge(i.to, x.w + i.w));
	}
	*/
}

int main() {
	ios::sync_with_stdio(0), cin.tie(0);
	cin >> n >> m;
	for (int i = 0; i < m; i++) {
		cin >> B[i] >> P[i];
		M[{B[i] % P[i], P[i]}].push_back(B[i]);
	}
	for (auto &i : M) add(i.second, i.first.second);
	dijkstra();
	cout << d[B[1]] << '\n';
}

Compilation message

skyscraper.cpp: In function 'void add(std::vector<int>&, int)':
skyscraper.cpp:36:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < pos.size(); i++) {
                  ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 24568 KB Output is correct
2 Correct 26 ms 24576 KB Output is correct
3 Correct 24 ms 24576 KB Output is correct
4 Correct 28 ms 24576 KB Output is correct
5 Correct 23 ms 24576 KB Output is correct
6 Correct 25 ms 24568 KB Output is correct
7 Correct 26 ms 24568 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 24568 KB Output is correct
2 Correct 26 ms 24584 KB Output is correct
3 Correct 29 ms 24568 KB Output is correct
4 Correct 33 ms 24576 KB Output is correct
5 Correct 26 ms 24568 KB Output is correct
6 Correct 26 ms 24576 KB Output is correct
7 Correct 25 ms 24576 KB Output is correct
8 Correct 31 ms 24548 KB Output is correct
9 Correct 29 ms 24568 KB Output is correct
10 Correct 28 ms 24576 KB Output is correct
11 Correct 27 ms 24800 KB Output is correct
12 Correct 28 ms 24576 KB Output is correct
13 Correct 31 ms 24540 KB Output is correct
14 Correct 28 ms 24832 KB Output is correct
15 Correct 28 ms 24824 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 24576 KB Output is correct
2 Correct 25 ms 24576 KB Output is correct
3 Correct 28 ms 24576 KB Output is correct
4 Correct 29 ms 24568 KB Output is correct
5 Correct 27 ms 24576 KB Output is correct
6 Correct 30 ms 24576 KB Output is correct
7 Correct 25 ms 24576 KB Output is correct
8 Correct 24 ms 24624 KB Output is correct
9 Correct 26 ms 24576 KB Output is correct
10 Correct 30 ms 24628 KB Output is correct
11 Correct 26 ms 24832 KB Output is correct
12 Correct 26 ms 24576 KB Output is correct
13 Correct 26 ms 24568 KB Output is correct
14 Correct 30 ms 24824 KB Output is correct
15 Correct 28 ms 24832 KB Output is correct
16 Correct 32 ms 24684 KB Output is correct
17 Correct 28 ms 24960 KB Output is correct
18 Correct 34 ms 24696 KB Output is correct
19 Correct 31 ms 24704 KB Output is correct
20 Correct 26 ms 24704 KB Output is correct
21 Correct 33 ms 24768 KB Output is correct
22 Correct 32 ms 24700 KB Output is correct
23 Correct 29 ms 24796 KB Output is correct
24 Correct 34 ms 24952 KB Output is correct
25 Correct 28 ms 24860 KB Output is correct
26 Correct 26 ms 24696 KB Output is correct
27 Correct 26 ms 24696 KB Output is correct
28 Correct 29 ms 25088 KB Output is correct
29 Correct 34 ms 25600 KB Output is correct
30 Correct 28 ms 24824 KB Output is correct
31 Correct 31 ms 25088 KB Output is correct
32 Correct 28 ms 24952 KB Output is correct
33 Correct 30 ms 26496 KB Output is correct
34 Correct 33 ms 26364 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 24576 KB Output is correct
2 Correct 28 ms 24580 KB Output is correct
3 Correct 25 ms 24568 KB Output is correct
4 Correct 32 ms 24576 KB Output is correct
5 Correct 25 ms 24576 KB Output is correct
6 Correct 28 ms 24576 KB Output is correct
7 Correct 24 ms 24576 KB Output is correct
8 Correct 24 ms 24576 KB Output is correct
9 Correct 26 ms 24568 KB Output is correct
10 Correct 25 ms 24576 KB Output is correct
11 Correct 27 ms 24700 KB Output is correct
12 Correct 23 ms 24576 KB Output is correct
13 Correct 27 ms 24576 KB Output is correct
14 Correct 27 ms 24832 KB Output is correct
15 Correct 31 ms 24832 KB Output is correct
16 Correct 30 ms 24696 KB Output is correct
17 Correct 28 ms 24960 KB Output is correct
18 Correct 30 ms 24704 KB Output is correct
19 Correct 30 ms 24700 KB Output is correct
20 Correct 28 ms 24704 KB Output is correct
21 Correct 28 ms 24704 KB Output is correct
22 Correct 30 ms 24704 KB Output is correct
23 Correct 26 ms 24828 KB Output is correct
24 Correct 29 ms 24952 KB Output is correct
25 Correct 28 ms 24960 KB Output is correct
26 Correct 25 ms 24704 KB Output is correct
27 Correct 25 ms 24704 KB Output is correct
28 Correct 32 ms 25088 KB Output is correct
29 Correct 29 ms 25600 KB Output is correct
30 Correct 26 ms 24960 KB Output is correct
31 Correct 34 ms 25080 KB Output is correct
32 Correct 30 ms 24960 KB Output is correct
33 Correct 29 ms 26496 KB Output is correct
34 Correct 37 ms 26488 KB Output is correct
35 Correct 62 ms 28792 KB Output is correct
36 Correct 31 ms 25344 KB Output is correct
37 Correct 55 ms 29176 KB Output is correct
38 Correct 74 ms 30072 KB Output is correct
39 Correct 64 ms 29816 KB Output is correct
40 Correct 75 ms 29816 KB Output is correct
41 Correct 86 ms 30084 KB Output is correct
42 Correct 32 ms 25088 KB Output is correct
43 Correct 33 ms 25080 KB Output is correct
44 Correct 35 ms 25088 KB Output is correct
45 Correct 66 ms 34680 KB Output is correct
46 Correct 75 ms 34680 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 24548 KB Output is correct
2 Correct 25 ms 24576 KB Output is correct
3 Correct 26 ms 24576 KB Output is correct
4 Correct 29 ms 24576 KB Output is correct
5 Correct 26 ms 24696 KB Output is correct
6 Correct 27 ms 24576 KB Output is correct
7 Correct 28 ms 24568 KB Output is correct
8 Correct 28 ms 24576 KB Output is correct
9 Correct 28 ms 24576 KB Output is correct
10 Correct 53 ms 24684 KB Output is correct
11 Correct 24 ms 24704 KB Output is correct
12 Correct 26 ms 24708 KB Output is correct
13 Correct 26 ms 24576 KB Output is correct
14 Correct 27 ms 24832 KB Output is correct
15 Correct 32 ms 25016 KB Output is correct
16 Correct 29 ms 24704 KB Output is correct
17 Correct 27 ms 24960 KB Output is correct
18 Correct 30 ms 24704 KB Output is correct
19 Correct 29 ms 24696 KB Output is correct
20 Correct 25 ms 24704 KB Output is correct
21 Correct 34 ms 24696 KB Output is correct
22 Correct 32 ms 24696 KB Output is correct
23 Correct 27 ms 24704 KB Output is correct
24 Correct 28 ms 24960 KB Output is correct
25 Correct 30 ms 24960 KB Output is correct
26 Correct 27 ms 24704 KB Output is correct
27 Correct 26 ms 24704 KB Output is correct
28 Correct 30 ms 25080 KB Output is correct
29 Correct 30 ms 25724 KB Output is correct
30 Correct 50 ms 24832 KB Output is correct
31 Correct 27 ms 25088 KB Output is correct
32 Correct 27 ms 24960 KB Output is correct
33 Correct 34 ms 26492 KB Output is correct
34 Correct 29 ms 26616 KB Output is correct
35 Correct 56 ms 28664 KB Output is correct
36 Correct 28 ms 25232 KB Output is correct
37 Correct 53 ms 29088 KB Output is correct
38 Correct 71 ms 30012 KB Output is correct
39 Correct 75 ms 29688 KB Output is correct
40 Correct 72 ms 29724 KB Output is correct
41 Correct 71 ms 30072 KB Output is correct
42 Correct 32 ms 25088 KB Output is correct
43 Correct 32 ms 25088 KB Output is correct
44 Correct 30 ms 25088 KB Output is correct
45 Correct 73 ms 34680 KB Output is correct
46 Correct 71 ms 34700 KB Output is correct
47 Correct 88 ms 37368 KB Output is correct
48 Correct 60 ms 29684 KB Output is correct
49 Correct 54 ms 28664 KB Output is correct
50 Correct 46 ms 27904 KB Output is correct
51 Correct 83 ms 32884 KB Output is correct
52 Correct 88 ms 33204 KB Output is correct
53 Correct 77 ms 30036 KB Output is correct
54 Correct 32 ms 25376 KB Output is correct
55 Correct 33 ms 25980 KB Output is correct
56 Correct 38 ms 26852 KB Output is correct
57 Correct 55 ms 33400 KB Output is correct
58 Correct 44 ms 26736 KB Output is correct
59 Correct 73 ms 26996 KB Output is correct
60 Correct 38 ms 27644 KB Output is correct
61 Correct 44 ms 27252 KB Output is correct
62 Correct 81 ms 34040 KB Output is correct
63 Correct 112 ms 53868 KB Output is correct
64 Correct 131 ms 57972 KB Output is correct
65 Correct 174 ms 75972 KB Output is correct
66 Correct 356 ms 121144 KB Output is correct
67 Correct 341 ms 121496 KB Output is correct