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답안 #499350

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
499350 2021-12-28T04:31:43 Z pavement Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 86 ms 10956 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
//#define int long long
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ppb pop_back
#define eb emplace_back
#define g0(a) get<0>(a)
#define g1(a) get<1>(a)
#define g2(a) get<2>(a)
#define g3(a) get<3>(a)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef double db;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef tree<ii, null_type, less<ii>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

const int C = 300;
bool has[30005][305];
int N, M, st, ed, dist[30005];
vector<int> dog[30005];
priority_queue<ii, vector<ii>, greater<ii> > pq;

main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> N >> M;
	for (int i = 0, B, P; i < M; i++) {
		cin >> B >> P;
		if (P <= C && !has[B][P]) {
			has[B][P] = 1;
			dog[B].eb(P);
		} else if (P > C) {
			dog[B].pb(P);
		}
		if (i == 0) st = B;
		else if (i == 1) ed = B;
	}
	for (int i = 0; i < N; i++) dist[i] = 1e9;
	dist[st] = 0;
	pq.emplace(0, st);
	while (!pq.empty()) {
		auto [d, v] = pq.top();
		pq.pop();
		if (dist[v] != d) continue;
		for (auto u : dog[v]) {
			for (int i = v - u; i >= 0; i -= u) {
				if (dist[i] > d + (v - i) / u) {
					dist[i] = d + (v - i) / u;
					pq.emplace(dist[i], i);
				}
				if (u <= C && has[i][u]) break;
			}
			for (int i = v + u; i < N; i += u) {
				if (dist[i] > d + (i - v) / u) {
					dist[i] = d + (i - v) / u;
					pq.emplace(dist[i], i);
				}
				if (u <= C && has[i][u]) break;
			}
		}
	}
	cout << (dist[ed] == 1e9 ? -1 : dist[ed]) << '\n';
}

Compilation message

skyscraper.cpp:34:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   34 | main() {
      | ^~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 1 ms 1100 KB Output is correct
17 Correct 1 ms 1228 KB Output is correct
18 Correct 1 ms 1356 KB Output is correct
19 Correct 1 ms 1228 KB Output is correct
20 Correct 1 ms 1612 KB Output is correct
21 Correct 1 ms 1100 KB Output is correct
22 Correct 1 ms 1228 KB Output is correct
23 Correct 2 ms 1356 KB Output is correct
24 Correct 2 ms 1612 KB Output is correct
25 Correct 2 ms 1100 KB Output is correct
26 Correct 1 ms 1228 KB Output is correct
27 Correct 1 ms 1100 KB Output is correct
28 Correct 2 ms 1228 KB Output is correct
29 Correct 3 ms 1228 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 2 ms 1100 KB Output is correct
32 Correct 1 ms 1100 KB Output is correct
33 Correct 3 ms 1228 KB Output is correct
34 Correct 4 ms 1228 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 1 ms 1100 KB Output is correct
17 Correct 1 ms 1228 KB Output is correct
18 Correct 1 ms 1356 KB Output is correct
19 Correct 1 ms 1228 KB Output is correct
20 Correct 1 ms 1624 KB Output is correct
21 Correct 1 ms 1112 KB Output is correct
22 Correct 1 ms 1240 KB Output is correct
23 Correct 1 ms 1368 KB Output is correct
24 Correct 2 ms 1624 KB Output is correct
25 Correct 2 ms 1112 KB Output is correct
26 Correct 2 ms 1240 KB Output is correct
27 Correct 1 ms 1112 KB Output is correct
28 Correct 2 ms 1240 KB Output is correct
29 Correct 3 ms 1228 KB Output is correct
30 Correct 2 ms 1100 KB Output is correct
31 Correct 2 ms 1100 KB Output is correct
32 Correct 1 ms 1100 KB Output is correct
33 Correct 3 ms 1228 KB Output is correct
34 Correct 3 ms 1228 KB Output is correct
35 Correct 6 ms 1668 KB Output is correct
36 Correct 2 ms 1356 KB Output is correct
37 Correct 5 ms 1868 KB Output is correct
38 Correct 7 ms 1868 KB Output is correct
39 Correct 8 ms 1868 KB Output is correct
40 Correct 7 ms 1976 KB Output is correct
41 Correct 7 ms 1868 KB Output is correct
42 Correct 5 ms 1228 KB Output is correct
43 Correct 4 ms 1100 KB Output is correct
44 Correct 5 ms 1668 KB Output is correct
45 Correct 8 ms 1612 KB Output is correct
46 Correct 9 ms 1484 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 1 ms 1100 KB Output is correct
17 Correct 2 ms 1308 KB Output is correct
18 Correct 1 ms 1356 KB Output is correct
19 Correct 1 ms 1228 KB Output is correct
20 Correct 2 ms 1612 KB Output is correct
21 Correct 1 ms 1100 KB Output is correct
22 Correct 1 ms 1356 KB Output is correct
23 Correct 1 ms 1356 KB Output is correct
24 Correct 2 ms 1612 KB Output is correct
25 Correct 2 ms 1100 KB Output is correct
26 Correct 1 ms 1228 KB Output is correct
27 Correct 1 ms 1100 KB Output is correct
28 Correct 1 ms 1228 KB Output is correct
29 Correct 3 ms 1228 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 2 ms 1100 KB Output is correct
32 Correct 1 ms 1100 KB Output is correct
33 Correct 3 ms 1228 KB Output is correct
34 Correct 3 ms 1228 KB Output is correct
35 Correct 6 ms 1740 KB Output is correct
36 Correct 4 ms 1356 KB Output is correct
37 Correct 8 ms 1868 KB Output is correct
38 Correct 10 ms 1888 KB Output is correct
39 Correct 8 ms 1868 KB Output is correct
40 Correct 8 ms 1864 KB Output is correct
41 Correct 8 ms 1892 KB Output is correct
42 Correct 4 ms 1228 KB Output is correct
43 Correct 4 ms 1100 KB Output is correct
44 Correct 4 ms 1612 KB Output is correct
45 Correct 7 ms 1484 KB Output is correct
46 Correct 8 ms 1484 KB Output is correct
47 Correct 22 ms 5640 KB Output is correct
48 Correct 6 ms 2508 KB Output is correct
49 Correct 5 ms 2184 KB Output is correct
50 Correct 4 ms 2124 KB Output is correct
51 Correct 29 ms 3444 KB Output is correct
52 Correct 29 ms 3528 KB Output is correct
53 Correct 15 ms 2376 KB Output is correct
54 Correct 4 ms 1356 KB Output is correct
55 Correct 4 ms 1356 KB Output is correct
56 Correct 15 ms 10956 KB Output is correct
57 Correct 27 ms 7716 KB Output is correct
58 Correct 7 ms 1356 KB Output is correct
59 Correct 8 ms 1664 KB Output is correct
60 Correct 12 ms 2200 KB Output is correct
61 Correct 10 ms 1860 KB Output is correct
62 Correct 13 ms 2500 KB Output is correct
63 Correct 36 ms 2892 KB Output is correct
64 Correct 41 ms 2756 KB Output is correct
65 Correct 53 ms 3848 KB Output is correct
66 Correct 83 ms 3776 KB Output is correct
67 Correct 86 ms 3788 KB Output is correct