답안 #41498 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
41498	2018-02-17T11:55:14 Z	RockyB	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	447 ms	64084 KB

skyscraper

/// In The Name Of God
 
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
 
#include <bits/stdc++.h>
 
#define f first
#define s second
 
#define pb push_back
#define pp pop_back
#define mp make_pair
 
#define sz(x) (int)x.size()
#define sqr(x) ((x) * 1ll * (x))
#define all(x) x.begin(), x.end()
 
#define Kazakhstan ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
 
#define nl '\n'
#define ioi exit(0);
 
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
 
const int N = (int)3e4 + 7;
const int K = 175;
const int inf = (int)1e9 + 7;
const int mod = (int)1e9 + 7;
const ll linf = (ll)1e18 + 7;
 
const int dx[] = {-1, 0, 1, 0, 1, -1, -1, 1};
const int dy[] = {0, 1, 0, -1, 1, -1, 1, -1};
 
using namespace std;
 
int n, m;
int sta, fn;
int b[N], p[N];
vector < pair <int, int> > g[N];
set <int> a[N];

ll d[N];

int main() {
	#ifdef IOI2018
		freopen ("in.txt", "r", stdin);
	#endif
	Kazakhstan
	cin >> n >> m;
	for (int i = 1; i <= m; i++) {
		cin >> b[i] >> p[i];
		if (i == 1) sta = b[i];
		if (i == 2) fn = b[i];
		a[b[i]].insert(p[i]);
	}
	for (int i = 0; i < n; i++) {
		for (auto it : a[i]) {
			int p = i + it, cnt = 0;
			while (p < n) {
				g[i].pb({p, ++cnt});
				if (a[p].count(it)) break;
				p += it;
			}
			p = i - it, cnt = 0;
			while (p >= 0) {
				g[i].pb({p, ++cnt});
				if (a[p].count(it)) break;
				p -= it;
			}
		}
	}
	set < pair <ll, int > > st;
	memset(d, 0x3f, sizeof(d));
	st.insert({0, sta});
	d[sta] = 0;
	while (sz(st)) {
		pair <ll, int> v = *st.begin();
		st.erase(st.begin());
		for (auto to : g[v.s]) {
			if (d[to.f] > v.f + to.s) {
				st.erase({d[to.f], to.f});
				d[to.f] = v.f + to.s;
				st.insert({d[to.f], to.f});
			}
		}
	}
	if (d[fn] >= linf) cout << -1;
	else cout << d[fn];
	ioi
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2680 KB	Output is correct
2	Correct	4 ms	2784 KB	Output is correct
3	Correct	3 ms	2784 KB	Output is correct
4	Correct	4 ms	2784 KB	Output is correct
5	Correct	3 ms	2924 KB	Output is correct
6	Correct	4 ms	2924 KB	Output is correct
7	Correct	4 ms	2924 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	2924 KB	Output is correct
2	Correct	3 ms	2924 KB	Output is correct
3	Correct	4 ms	2924 KB	Output is correct
4	Correct	3 ms	2924 KB	Output is correct
5	Correct	3 ms	2924 KB	Output is correct
6	Correct	3 ms	2924 KB	Output is correct
7	Correct	3 ms	2924 KB	Output is correct
8	Correct	4 ms	2924 KB	Output is correct
9	Correct	4 ms	2924 KB	Output is correct
10	Correct	4 ms	2924 KB	Output is correct
11	Correct	4 ms	3052 KB	Output is correct
12	Correct	4 ms	3052 KB	Output is correct
13	Correct	4 ms	3052 KB	Output is correct
14	Correct	4 ms	3052 KB	Output is correct
15	Correct	4 ms	3052 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	3052 KB	Output is correct
2	Correct	3 ms	3052 KB	Output is correct
3	Correct	3 ms	3052 KB	Output is correct
4	Correct	3 ms	3052 KB	Output is correct
5	Correct	4 ms	3052 KB	Output is correct
6	Correct	3 ms	3052 KB	Output is correct
7	Correct	3 ms	3052 KB	Output is correct
8	Correct	3 ms	3052 KB	Output is correct
9	Correct	3 ms	3052 KB	Output is correct
10	Correct	4 ms	3052 KB	Output is correct
11	Correct	5 ms	3052 KB	Output is correct
12	Correct	4 ms	3052 KB	Output is correct
13	Correct	4 ms	3052 KB	Output is correct
14	Correct	5 ms	3056 KB	Output is correct
15	Correct	5 ms	3056 KB	Output is correct
16	Correct	5 ms	3056 KB	Output is correct
17	Correct	5 ms	3288 KB	Output is correct
18	Correct	4 ms	3288 KB	Output is correct
19	Correct	4 ms	3288 KB	Output is correct
20	Correct	4 ms	3288 KB	Output is correct
21	Correct	4 ms	3288 KB	Output is correct
22	Correct	4 ms	3288 KB	Output is correct
23	Correct	5 ms	3288 KB	Output is correct
24	Correct	6 ms	3288 KB	Output is correct
25	Correct	5 ms	3288 KB	Output is correct
26	Correct	4 ms	3288 KB	Output is correct
27	Correct	4 ms	3288 KB	Output is correct
28	Correct	5 ms	3308 KB	Output is correct
29	Correct	9 ms	3792 KB	Output is correct
30	Correct	5 ms	3792 KB	Output is correct
31	Correct	7 ms	3792 KB	Output is correct
32	Correct	7 ms	3792 KB	Output is correct
33	Correct	13 ms	4200 KB	Output is correct
34	Correct	13 ms	4200 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4200 KB	Output is correct
2	Correct	3 ms	4200 KB	Output is correct
3	Correct	4 ms	4200 KB	Output is correct
4	Correct	4 ms	4200 KB	Output is correct
5	Correct	3 ms	4200 KB	Output is correct
6	Correct	3 ms	4200 KB	Output is correct
7	Correct	4 ms	4200 KB	Output is correct
8	Correct	3 ms	4200 KB	Output is correct
9	Correct	4 ms	4200 KB	Output is correct
10	Correct	3 ms	4200 KB	Output is correct
11	Correct	4 ms	4200 KB	Output is correct
12	Correct	4 ms	4200 KB	Output is correct
13	Correct	4 ms	4200 KB	Output is correct
14	Correct	6 ms	4200 KB	Output is correct
15	Correct	6 ms	4200 KB	Output is correct
16	Correct	4 ms	4200 KB	Output is correct
17	Correct	6 ms	4200 KB	Output is correct
18	Correct	5 ms	4200 KB	Output is correct
19	Correct	5 ms	4200 KB	Output is correct
20	Correct	5 ms	4200 KB	Output is correct
21	Correct	4 ms	4200 KB	Output is correct
22	Correct	4 ms	4200 KB	Output is correct
23	Correct	4 ms	4200 KB	Output is correct
24	Correct	5 ms	4200 KB	Output is correct
25	Correct	5 ms	4200 KB	Output is correct
26	Correct	4 ms	4200 KB	Output is correct
27	Correct	4 ms	4200 KB	Output is correct
28	Correct	5 ms	4200 KB	Output is correct
29	Correct	10 ms	4200 KB	Output is correct
30	Correct	6 ms	4200 KB	Output is correct
31	Correct	6 ms	4200 KB	Output is correct
32	Correct	5 ms	4200 KB	Output is correct
33	Correct	12 ms	4200 KB	Output is correct
34	Correct	12 ms	4200 KB	Output is correct
35	Correct	22 ms	5356 KB	Output is correct
36	Correct	6 ms	5356 KB	Output is correct
37	Correct	25 ms	5996 KB	Output is correct
38	Correct	30 ms	6380 KB	Output is correct
39	Correct	30 ms	6380 KB	Output is correct
40	Correct	35 ms	6380 KB	Output is correct
41	Correct	31 ms	6380 KB	Output is correct
42	Correct	9 ms	6380 KB	Output is correct
43	Correct	8 ms	6380 KB	Output is correct
44	Correct	9 ms	6380 KB	Output is correct
45	Correct	35 ms	8812 KB	Output is correct
46	Correct	33 ms	8812 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	8812 KB	Output is correct
2	Correct	3 ms	8812 KB	Output is correct
3	Correct	3 ms	8812 KB	Output is correct
4	Correct	3 ms	8812 KB	Output is correct
5	Correct	3 ms	8812 KB	Output is correct
6	Correct	4 ms	8812 KB	Output is correct
7	Correct	3 ms	8812 KB	Output is correct
8	Correct	3 ms	8812 KB	Output is correct
9	Correct	3 ms	8812 KB	Output is correct
10	Correct	4 ms	8812 KB	Output is correct
11	Correct	4 ms	8812 KB	Output is correct
12	Correct	3 ms	8812 KB	Output is correct
13	Correct	4 ms	8812 KB	Output is correct
14	Correct	5 ms	8812 KB	Output is correct
15	Correct	5 ms	8812 KB	Output is correct
16	Correct	4 ms	8812 KB	Output is correct
17	Correct	6 ms	8812 KB	Output is correct
18	Correct	4 ms	8812 KB	Output is correct
19	Correct	4 ms	8812 KB	Output is correct
20	Correct	4 ms	8812 KB	Output is correct
21	Correct	4 ms	8812 KB	Output is correct
22	Correct	4 ms	8812 KB	Output is correct
23	Correct	5 ms	8812 KB	Output is correct
24	Correct	7 ms	8812 KB	Output is correct
25	Correct	6 ms	8812 KB	Output is correct
26	Correct	5 ms	8812 KB	Output is correct
27	Correct	4 ms	8812 KB	Output is correct
28	Correct	5 ms	8812 KB	Output is correct
29	Correct	11 ms	8812 KB	Output is correct
30	Correct	6 ms	8812 KB	Output is correct
31	Correct	8 ms	8812 KB	Output is correct
32	Correct	6 ms	8812 KB	Output is correct
33	Correct	13 ms	8812 KB	Output is correct
34	Correct	12 ms	8812 KB	Output is correct
35	Correct	23 ms	8812 KB	Output is correct
36	Correct	9 ms	8812 KB	Output is correct
37	Correct	26 ms	8812 KB	Output is correct
38	Correct	32 ms	8812 KB	Output is correct
39	Correct	31 ms	8812 KB	Output is correct
40	Correct	29 ms	8812 KB	Output is correct
41	Correct	29 ms	8812 KB	Output is correct
42	Correct	14 ms	8812 KB	Output is correct
43	Correct	8 ms	8812 KB	Output is correct
44	Correct	8 ms	8812 KB	Output is correct
45	Correct	33 ms	8812 KB	Output is correct
46	Correct	34 ms	8812 KB	Output is correct
47	Correct	75 ms	13420 KB	Output is correct
48	Correct	22 ms	13420 KB	Output is correct
49	Correct	18 ms	13420 KB	Output is correct
50	Correct	14 ms	13420 KB	Output is correct
51	Correct	85 ms	13420 KB	Output is correct
52	Correct	89 ms	13420 KB	Output is correct
53	Correct	36 ms	13420 KB	Output is correct
54	Correct	10 ms	13420 KB	Output is correct
55	Correct	12 ms	13420 KB	Output is correct
56	Correct	18 ms	13420 KB	Output is correct
57	Correct	86 ms	13420 KB	Output is correct
58	Correct	19 ms	13420 KB	Output is correct
59	Correct	19 ms	13420 KB	Output is correct
60	Correct	21 ms	13420 KB	Output is correct
61	Correct	21 ms	13420 KB	Output is correct
62	Correct	33 ms	13420 KB	Output is correct
63	Correct	152 ms	26468 KB	Output is correct
64	Correct	174 ms	29928 KB	Output is correct
65	Correct	229 ms	39284 KB	Output is correct
66	Correct	447 ms	64084 KB	Output is correct
67	Correct	432 ms	64084 KB	Output is correct

답안 #41498

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 43.0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
43.0 / 43.0