답안 #426155

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
426155	2021-06-13T14:44:57 Z	Kevin_Zhang_TW	IOI 바이러스 (JOI21_fever)	C++17	25 / 100	5000 ms	33156 KB

fever

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T> void debug(T l, T r) { while (l != r) cerr << *l << " \n"[next(l)==r], ++l; }
#else
#define DE(...) 0
#define debug(...) 0
#endif

const int MAX_N = 300010;
const ll inf = 1ll << 55;

int n;
int x[MAX_N], y[MAX_N];

ll dp[MAX_N * 4];
vector<pair<int,int>> edge[MAX_N * 4];

int dis(int i, int j) { return abs(x[i]-x[j]) + abs(y[i]-y[j]); }
pair<int,int> adv(int i, int dir, int j) {
	int a = x[i], b = y[i];
	if (dir == 0) a += j;
	if (dir == 1) b += j;
	if (dir == 2) a -= j;
	if (dir == 3) b -= j;
	return make_pair(a, b);
}

void init() {
	for (int i = 0;i < n;++i)
		for (int j = i+1;j < n;++j) {
			for (int k = 0;k < 4;++k)
				for (int l = 0;l < 4;++l) {
					int h = dis(i, j) / 2;
					if (adv(i, k, h) == adv(j, l, h)) {
						int a = i * 4 + k, b = j * 4 + l;
						edge[a].pb(b, h);
						edge[b].pb(a, h);
					} 
				} 
		}
}

int solve(int d) {
	fill(dp, dp + n * 4, inf);
	priority_queue<pair<ll,ll>, vector<pair<ll,ll>>, greater<pair<ll,ll>>> pq;

	auto upd = [&](int id, ll t) {
		if (chmin(dp[id], t))
			pq.emplace(t, id);
	};

	upd(d, 0);
	while (pq.size()) {
		auto [t, id] = pq.top(); pq.pop();
		if (t != dp[id]) continue;
		for (auto [u, w] : edge[id]) {
			if (w >= t)
				upd(u, w);
		} 
	} 

	int res = 0;
	for (int i = 0;i < n;++i) {
		ll d = inf;
		for (int j = 0;j < 4;++j)
			chmin(d, dp[i * 4 + j]);
		if (d < inf) ++res;
	}
	return res;
}
int32_t main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> n;
	for (int i = 0;i < n;++i) cin >> x[i] >> y[i];

	init();

	int res = 1;
	for (int i = 0;i < 4;++i)
		chmax(res, solve(i));

	cout << res << '\n'; 
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	28496 KB	Output is correct
2	Correct	18 ms	28492 KB	Output is correct
3	Correct	18 ms	28480 KB	Output is correct
4	Correct	18 ms	28492 KB	Output is correct
5	Correct	18 ms	28492 KB	Output is correct
6	Correct	17 ms	28492 KB	Output is correct
7	Correct	18 ms	28400 KB	Output is correct
8	Correct	16 ms	28492 KB	Output is correct
9	Correct	18 ms	28460 KB	Output is correct
10	Correct	19 ms	28504 KB	Output is correct
11	Correct	16 ms	28452 KB	Output is correct
12	Correct	16 ms	28492 KB	Output is correct
13	Correct	18 ms	28468 KB	Output is correct
14	Correct	19 ms	28500 KB	Output is correct
15	Correct	21 ms	28492 KB	Output is correct
16	Correct	17 ms	28404 KB	Output is correct
17	Correct	18 ms	28492 KB	Output is correct
18	Correct	16 ms	28460 KB	Output is correct
19	Correct	18 ms	28416 KB	Output is correct
20	Correct	18 ms	28500 KB	Output is correct
21	Correct	16 ms	28484 KB	Output is correct
22	Correct	18 ms	28432 KB	Output is correct
23	Correct	16 ms	28492 KB	Output is correct
24	Correct	16 ms	28476 KB	Output is correct
25	Correct	16 ms	28492 KB	Output is correct
26	Correct	17 ms	28492 KB	Output is correct
27	Correct	16 ms	28496 KB	Output is correct
28	Correct	19 ms	28504 KB	Output is correct
29	Correct	16 ms	28492 KB	Output is correct
30	Correct	16 ms	28432 KB	Output is correct
31	Correct	19 ms	28496 KB	Output is correct
32	Correct	17 ms	28500 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	28496 KB	Output is correct
2	Correct	18 ms	28492 KB	Output is correct
3	Correct	18 ms	28480 KB	Output is correct
4	Correct	18 ms	28492 KB	Output is correct
5	Correct	18 ms	28492 KB	Output is correct
6	Correct	17 ms	28492 KB	Output is correct
7	Correct	18 ms	28400 KB	Output is correct
8	Correct	16 ms	28492 KB	Output is correct
9	Correct	18 ms	28460 KB	Output is correct
10	Correct	19 ms	28504 KB	Output is correct
11	Correct	16 ms	28452 KB	Output is correct
12	Correct	16 ms	28492 KB	Output is correct
13	Correct	18 ms	28468 KB	Output is correct
14	Correct	19 ms	28500 KB	Output is correct
15	Correct	21 ms	28492 KB	Output is correct
16	Correct	17 ms	28404 KB	Output is correct
17	Correct	18 ms	28492 KB	Output is correct
18	Correct	16 ms	28460 KB	Output is correct
19	Correct	18 ms	28416 KB	Output is correct
20	Correct	18 ms	28500 KB	Output is correct
21	Correct	16 ms	28484 KB	Output is correct
22	Correct	18 ms	28432 KB	Output is correct
23	Correct	16 ms	28492 KB	Output is correct
24	Correct	16 ms	28476 KB	Output is correct
25	Correct	16 ms	28492 KB	Output is correct
26	Correct	17 ms	28492 KB	Output is correct
27	Correct	16 ms	28496 KB	Output is correct
28	Correct	19 ms	28504 KB	Output is correct
29	Correct	16 ms	28492 KB	Output is correct
30	Correct	16 ms	28432 KB	Output is correct
31	Correct	19 ms	28496 KB	Output is correct
32	Correct	17 ms	28500 KB	Output is correct
33	Correct	18 ms	28528 KB	Output is correct
34	Correct	18 ms	28492 KB	Output is correct
35	Correct	18 ms	28480 KB	Output is correct
36	Correct	16 ms	28508 KB	Output is correct
37	Correct	18 ms	28464 KB	Output is correct
38	Correct	20 ms	28500 KB	Output is correct
39	Correct	17 ms	28492 KB	Output is correct
40	Correct	16 ms	28500 KB	Output is correct
41	Correct	17 ms	28504 KB	Output is correct
42	Correct	19 ms	28492 KB	Output is correct
43	Correct	17 ms	28488 KB	Output is correct
44	Correct	16 ms	28488 KB	Output is correct
45	Correct	17 ms	28492 KB	Output is correct

Subtask #3
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	28444 KB	Output is correct
2	Correct	18 ms	28484 KB	Output is correct
3	Correct	18 ms	28492 KB	Output is correct
4	Correct	16 ms	28492 KB	Output is correct
5	Correct	17 ms	28456 KB	Output is correct
6	Correct	17 ms	28748 KB	Output is correct
7	Correct	17 ms	28672 KB	Output is correct
8	Correct	17 ms	28748 KB	Output is correct

Subtask #4
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	28496 KB	Output is correct
2	Correct	18 ms	28492 KB	Output is correct
3	Correct	18 ms	28480 KB	Output is correct
4	Correct	18 ms	28492 KB	Output is correct
5	Correct	18 ms	28492 KB	Output is correct
6	Correct	17 ms	28492 KB	Output is correct
7	Correct	18 ms	28400 KB	Output is correct
8	Correct	16 ms	28492 KB	Output is correct
9	Correct	18 ms	28460 KB	Output is correct
10	Correct	19 ms	28504 KB	Output is correct
11	Correct	16 ms	28452 KB	Output is correct
12	Correct	16 ms	28492 KB	Output is correct
13	Correct	18 ms	28468 KB	Output is correct
14	Correct	19 ms	28500 KB	Output is correct
15	Correct	21 ms	28492 KB	Output is correct
16	Correct	17 ms	28404 KB	Output is correct
17	Correct	18 ms	28492 KB	Output is correct
18	Correct	16 ms	28460 KB	Output is correct
19	Correct	18 ms	28416 KB	Output is correct
20	Correct	18 ms	28500 KB	Output is correct
21	Correct	16 ms	28484 KB	Output is correct
22	Correct	18 ms	28432 KB	Output is correct
23	Correct	16 ms	28492 KB	Output is correct
24	Correct	16 ms	28476 KB	Output is correct
25	Correct	16 ms	28492 KB	Output is correct
26	Correct	17 ms	28492 KB	Output is correct
27	Correct	16 ms	28496 KB	Output is correct
28	Correct	19 ms	28504 KB	Output is correct
29	Correct	16 ms	28492 KB	Output is correct
30	Correct	16 ms	28432 KB	Output is correct
31	Correct	19 ms	28496 KB	Output is correct
32	Correct	17 ms	28500 KB	Output is correct
33	Correct	18 ms	28528 KB	Output is correct
34	Correct	18 ms	28492 KB	Output is correct
35	Correct	18 ms	28480 KB	Output is correct
36	Correct	16 ms	28508 KB	Output is correct
37	Correct	18 ms	28464 KB	Output is correct
38	Correct	20 ms	28500 KB	Output is correct
39	Correct	17 ms	28492 KB	Output is correct
40	Correct	16 ms	28500 KB	Output is correct
41	Correct	17 ms	28504 KB	Output is correct
42	Correct	19 ms	28492 KB	Output is correct
43	Correct	17 ms	28488 KB	Output is correct
44	Correct	16 ms	28488 KB	Output is correct
45	Correct	17 ms	28492 KB	Output is correct
46	Correct	19 ms	28444 KB	Output is correct
47	Correct	18 ms	28484 KB	Output is correct
48	Correct	18 ms	28492 KB	Output is correct
49	Correct	16 ms	28492 KB	Output is correct
50	Correct	17 ms	28456 KB	Output is correct
51	Correct	17 ms	28748 KB	Output is correct
52	Correct	17 ms	28672 KB	Output is correct
53	Correct	17 ms	28748 KB	Output is correct
54	Correct	16 ms	28492 KB	Output is correct
55	Correct	18 ms	28492 KB	Output is correct
56	Correct	22 ms	28492 KB	Output is correct
57	Correct	17 ms	28504 KB	Output is correct
58	Correct	20 ms	28764 KB	Output is correct
59	Correct	19 ms	28496 KB	Output is correct
60	Correct	20 ms	28500 KB	Output is correct
61	Correct	20 ms	28560 KB	Output is correct
62	Correct	20 ms	28492 KB	Output is correct
63	Correct	22 ms	28444 KB	Output is correct
64	Correct	22 ms	28384 KB	Output is correct
65	Correct	20 ms	28548 KB	Output is correct

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	28496 KB	Output is correct
2	Correct	18 ms	28492 KB	Output is correct
3	Correct	18 ms	28480 KB	Output is correct
4	Correct	18 ms	28492 KB	Output is correct
5	Correct	18 ms	28492 KB	Output is correct
6	Correct	17 ms	28492 KB	Output is correct
7	Correct	18 ms	28400 KB	Output is correct
8	Correct	16 ms	28492 KB	Output is correct
9	Correct	18 ms	28460 KB	Output is correct
10	Correct	19 ms	28504 KB	Output is correct
11	Correct	16 ms	28452 KB	Output is correct
12	Correct	16 ms	28492 KB	Output is correct
13	Correct	18 ms	28468 KB	Output is correct
14	Correct	19 ms	28500 KB	Output is correct
15	Correct	21 ms	28492 KB	Output is correct
16	Correct	17 ms	28404 KB	Output is correct
17	Correct	18 ms	28492 KB	Output is correct
18	Correct	16 ms	28460 KB	Output is correct
19	Correct	18 ms	28416 KB	Output is correct
20	Correct	18 ms	28500 KB	Output is correct
21	Correct	16 ms	28484 KB	Output is correct
22	Correct	18 ms	28432 KB	Output is correct
23	Correct	16 ms	28492 KB	Output is correct
24	Correct	16 ms	28476 KB	Output is correct
25	Correct	16 ms	28492 KB	Output is correct
26	Correct	17 ms	28492 KB	Output is correct
27	Correct	16 ms	28496 KB	Output is correct
28	Correct	19 ms	28504 KB	Output is correct
29	Correct	16 ms	28492 KB	Output is correct
30	Correct	16 ms	28432 KB	Output is correct
31	Correct	19 ms	28496 KB	Output is correct
32	Correct	17 ms	28500 KB	Output is correct
33	Correct	18 ms	28528 KB	Output is correct
34	Correct	18 ms	28492 KB	Output is correct
35	Correct	18 ms	28480 KB	Output is correct
36	Correct	16 ms	28508 KB	Output is correct
37	Correct	18 ms	28464 KB	Output is correct
38	Correct	20 ms	28500 KB	Output is correct
39	Correct	17 ms	28492 KB	Output is correct
40	Correct	16 ms	28500 KB	Output is correct
41	Correct	17 ms	28504 KB	Output is correct
42	Correct	19 ms	28492 KB	Output is correct
43	Correct	17 ms	28488 KB	Output is correct
44	Correct	16 ms	28488 KB	Output is correct
45	Correct	17 ms	28492 KB	Output is correct
46	Correct	19 ms	28444 KB	Output is correct
47	Correct	18 ms	28484 KB	Output is correct
48	Correct	18 ms	28492 KB	Output is correct
49	Correct	16 ms	28492 KB	Output is correct
50	Correct	17 ms	28456 KB	Output is correct
51	Correct	17 ms	28748 KB	Output is correct
52	Correct	17 ms	28672 KB	Output is correct
53	Correct	17 ms	28748 KB	Output is correct
54	Correct	16 ms	28492 KB	Output is correct
55	Correct	18 ms	28492 KB	Output is correct
56	Correct	22 ms	28492 KB	Output is correct
57	Correct	17 ms	28504 KB	Output is correct
58	Correct	20 ms	28764 KB	Output is correct
59	Correct	19 ms	28496 KB	Output is correct
60	Correct	20 ms	28500 KB	Output is correct
61	Correct	20 ms	28560 KB	Output is correct
62	Correct	20 ms	28492 KB	Output is correct
63	Correct	22 ms	28444 KB	Output is correct
64	Correct	22 ms	28384 KB	Output is correct
65	Correct	20 ms	28548 KB	Output is correct
66	Correct	407 ms	28764 KB	Output is correct
67	Correct	411 ms	28712 KB	Output is correct
68	Correct	413 ms	28580 KB	Output is correct
69	Incorrect	460 ms	33156 KB	Output isn't correct
70	Halted	0 ms	0 KB	-

Subtask #6
0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	28496 KB	Output is correct
2	Correct	18 ms	28492 KB	Output is correct
3	Correct	18 ms	28480 KB	Output is correct
4	Correct	18 ms	28492 KB	Output is correct
5	Correct	18 ms	28492 KB	Output is correct
6	Correct	17 ms	28492 KB	Output is correct
7	Correct	18 ms	28400 KB	Output is correct
8	Correct	16 ms	28492 KB	Output is correct
9	Correct	18 ms	28460 KB	Output is correct
10	Correct	19 ms	28504 KB	Output is correct
11	Correct	16 ms	28452 KB	Output is correct
12	Correct	16 ms	28492 KB	Output is correct
13	Correct	18 ms	28468 KB	Output is correct
14	Correct	19 ms	28500 KB	Output is correct
15	Correct	21 ms	28492 KB	Output is correct
16	Correct	17 ms	28404 KB	Output is correct
17	Correct	18 ms	28492 KB	Output is correct
18	Correct	16 ms	28460 KB	Output is correct
19	Correct	18 ms	28416 KB	Output is correct
20	Correct	18 ms	28500 KB	Output is correct
21	Correct	16 ms	28484 KB	Output is correct
22	Correct	18 ms	28432 KB	Output is correct
23	Correct	16 ms	28492 KB	Output is correct
24	Correct	16 ms	28476 KB	Output is correct
25	Correct	16 ms	28492 KB	Output is correct
26	Correct	17 ms	28492 KB	Output is correct
27	Correct	16 ms	28496 KB	Output is correct
28	Correct	19 ms	28504 KB	Output is correct
29	Correct	16 ms	28492 KB	Output is correct
30	Correct	16 ms	28432 KB	Output is correct
31	Correct	19 ms	28496 KB	Output is correct
32	Correct	17 ms	28500 KB	Output is correct
33	Correct	18 ms	28528 KB	Output is correct
34	Correct	18 ms	28492 KB	Output is correct
35	Correct	18 ms	28480 KB	Output is correct
36	Correct	16 ms	28508 KB	Output is correct
37	Correct	18 ms	28464 KB	Output is correct
38	Correct	20 ms	28500 KB	Output is correct
39	Correct	17 ms	28492 KB	Output is correct
40	Correct	16 ms	28500 KB	Output is correct
41	Correct	17 ms	28504 KB	Output is correct
42	Correct	19 ms	28492 KB	Output is correct
43	Correct	17 ms	28488 KB	Output is correct
44	Correct	16 ms	28488 KB	Output is correct
45	Correct	17 ms	28492 KB	Output is correct
46	Correct	19 ms	28444 KB	Output is correct
47	Correct	18 ms	28484 KB	Output is correct
48	Correct	18 ms	28492 KB	Output is correct
49	Correct	16 ms	28492 KB	Output is correct
50	Correct	17 ms	28456 KB	Output is correct
51	Correct	17 ms	28748 KB	Output is correct
52	Correct	17 ms	28672 KB	Output is correct
53	Correct	17 ms	28748 KB	Output is correct
54	Correct	16 ms	28492 KB	Output is correct
55	Correct	18 ms	28492 KB	Output is correct
56	Correct	22 ms	28492 KB	Output is correct
57	Correct	17 ms	28504 KB	Output is correct
58	Correct	20 ms	28764 KB	Output is correct
59	Correct	19 ms	28496 KB	Output is correct
60	Correct	20 ms	28500 KB	Output is correct
61	Correct	20 ms	28560 KB	Output is correct
62	Correct	20 ms	28492 KB	Output is correct
63	Correct	22 ms	28444 KB	Output is correct
64	Correct	22 ms	28384 KB	Output is correct
65	Correct	20 ms	28548 KB	Output is correct
66	Execution timed out	5074 ms	30056 KB	Time limit exceeded
67	Halted	0 ms	0 KB	-

Subtask #7
0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	28496 KB	Output is correct
2	Correct	18 ms	28492 KB	Output is correct
3	Correct	18 ms	28480 KB	Output is correct
4	Correct	18 ms	28492 KB	Output is correct
5	Correct	18 ms	28492 KB	Output is correct
6	Correct	17 ms	28492 KB	Output is correct
7	Correct	18 ms	28400 KB	Output is correct
8	Correct	16 ms	28492 KB	Output is correct
9	Correct	18 ms	28460 KB	Output is correct
10	Correct	19 ms	28504 KB	Output is correct
11	Correct	16 ms	28452 KB	Output is correct
12	Correct	16 ms	28492 KB	Output is correct
13	Correct	18 ms	28468 KB	Output is correct
14	Correct	19 ms	28500 KB	Output is correct
15	Correct	21 ms	28492 KB	Output is correct
16	Correct	17 ms	28404 KB	Output is correct
17	Correct	18 ms	28492 KB	Output is correct
18	Correct	16 ms	28460 KB	Output is correct
19	Correct	18 ms	28416 KB	Output is correct
20	Correct	18 ms	28500 KB	Output is correct
21	Correct	16 ms	28484 KB	Output is correct
22	Correct	18 ms	28432 KB	Output is correct
23	Correct	16 ms	28492 KB	Output is correct
24	Correct	16 ms	28476 KB	Output is correct
25	Correct	16 ms	28492 KB	Output is correct
26	Correct	17 ms	28492 KB	Output is correct
27	Correct	16 ms	28496 KB	Output is correct
28	Correct	19 ms	28504 KB	Output is correct
29	Correct	16 ms	28492 KB	Output is correct
30	Correct	16 ms	28432 KB	Output is correct
31	Correct	19 ms	28496 KB	Output is correct
32	Correct	17 ms	28500 KB	Output is correct
33	Correct	18 ms	28528 KB	Output is correct
34	Correct	18 ms	28492 KB	Output is correct
35	Correct	18 ms	28480 KB	Output is correct
36	Correct	16 ms	28508 KB	Output is correct
37	Correct	18 ms	28464 KB	Output is correct
38	Correct	20 ms	28500 KB	Output is correct
39	Correct	17 ms	28492 KB	Output is correct
40	Correct	16 ms	28500 KB	Output is correct
41	Correct	17 ms	28504 KB	Output is correct
42	Correct	19 ms	28492 KB	Output is correct
43	Correct	17 ms	28488 KB	Output is correct
44	Correct	16 ms	28488 KB	Output is correct
45	Correct	17 ms	28492 KB	Output is correct
46	Correct	19 ms	28444 KB	Output is correct
47	Correct	18 ms	28484 KB	Output is correct
48	Correct	18 ms	28492 KB	Output is correct
49	Correct	16 ms	28492 KB	Output is correct
50	Correct	17 ms	28456 KB	Output is correct
51	Correct	17 ms	28748 KB	Output is correct
52	Correct	17 ms	28672 KB	Output is correct
53	Correct	17 ms	28748 KB	Output is correct
54	Correct	16 ms	28492 KB	Output is correct
55	Correct	18 ms	28492 KB	Output is correct
56	Correct	22 ms	28492 KB	Output is correct
57	Correct	17 ms	28504 KB	Output is correct
58	Correct	20 ms	28764 KB	Output is correct
59	Correct	19 ms	28496 KB	Output is correct
60	Correct	20 ms	28500 KB	Output is correct
61	Correct	20 ms	28560 KB	Output is correct
62	Correct	20 ms	28492 KB	Output is correct
63	Correct	22 ms	28444 KB	Output is correct
64	Correct	22 ms	28384 KB	Output is correct
65	Correct	20 ms	28548 KB	Output is correct
66	Correct	407 ms	28764 KB	Output is correct
67	Correct	411 ms	28712 KB	Output is correct
68	Correct	413 ms	28580 KB	Output is correct
69	Incorrect	460 ms	33156 KB	Output isn't correct
70	Halted	0 ms	0 KB	-

답안 #426155

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 8.0 / 8.0

Subtask #3 6.0 / 6.0

Subtask #4 6.0 / 6.0

Subtask #5 0 / 12.0

Subtask #6 0 / 32.0

Subtask #7 0 / 31.0

Subtask #1
5.0 / 5.0

Subtask #2
8.0 / 8.0

Subtask #3
6.0 / 6.0

Subtask #4
6.0 / 6.0

Subtask #5
0 / 12.0

Subtask #6
0 / 32.0

Subtask #7
0 / 31.0