답안 #426431

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
426431	2021-06-14T02:55:06 Z	Kevin_Zhang_TW	IOI 바이러스 (JOI21_fever)	C++17	11 / 100	25 ms	28756 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;

	stack<pair<ll,ll>> pq;
 
	auto upd = [&](int id, ll t) {
		if (chmin(dp[id], t))
			pq.emplace(t, id);
	};
 
	upd(d, 0);
	vector<int> vis(n * 4);
	while (pq.size()) {
		auto [t, id] = pq.top(); pq.pop();
		if (vis[id]) continue;
		vis[id] = true;
		//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], x[i] *= 2, y[i] *= 2;
 
	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	20 ms	28492 KB	Output is correct
2	Correct	22 ms	28460 KB	Output is correct
3	Correct	22 ms	28496 KB	Output is correct
4	Correct	20 ms	28496 KB	Output is correct
5	Correct	19 ms	28496 KB	Output is correct
6	Correct	25 ms	28492 KB	Output is correct
7	Correct	18 ms	28412 KB	Output is correct
8	Correct	18 ms	28428 KB	Output is correct
9	Correct	19 ms	28400 KB	Output is correct
10	Correct	19 ms	28440 KB	Output is correct
11	Correct	24 ms	28456 KB	Output is correct
12	Correct	18 ms	28492 KB	Output is correct
13	Correct	20 ms	28484 KB	Output is correct
14	Correct	20 ms	28496 KB	Output is correct
15	Correct	20 ms	28492 KB	Output is correct
16	Correct	20 ms	28480 KB	Output is correct
17	Correct	19 ms	28492 KB	Output is correct
18	Correct	20 ms	28492 KB	Output is correct
19	Correct	20 ms	28408 KB	Output is correct
20	Correct	18 ms	28496 KB	Output is correct
21	Correct	19 ms	28504 KB	Output is correct
22	Correct	21 ms	28380 KB	Output is correct
23	Correct	24 ms	28492 KB	Output is correct
24	Correct	20 ms	28496 KB	Output is correct
25	Correct	22 ms	28492 KB	Output is correct
26	Correct	20 ms	28440 KB	Output is correct
27	Correct	20 ms	28408 KB	Output is correct
28	Correct	20 ms	28492 KB	Output is correct
29	Correct	20 ms	28492 KB	Output is correct
30	Correct	19 ms	28500 KB	Output is correct
31	Correct	18 ms	28404 KB	Output is correct
32	Correct	22 ms	28492 KB	Output is correct

Subtask #2
0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	20 ms	28492 KB	Output is correct
2	Correct	22 ms	28460 KB	Output is correct
3	Correct	22 ms	28496 KB	Output is correct
4	Correct	20 ms	28496 KB	Output is correct
5	Correct	19 ms	28496 KB	Output is correct
6	Correct	25 ms	28492 KB	Output is correct
7	Correct	18 ms	28412 KB	Output is correct
8	Correct	18 ms	28428 KB	Output is correct
9	Correct	19 ms	28400 KB	Output is correct
10	Correct	19 ms	28440 KB	Output is correct
11	Correct	24 ms	28456 KB	Output is correct
12	Correct	18 ms	28492 KB	Output is correct
13	Correct	20 ms	28484 KB	Output is correct
14	Correct	20 ms	28496 KB	Output is correct
15	Correct	20 ms	28492 KB	Output is correct
16	Correct	20 ms	28480 KB	Output is correct
17	Correct	19 ms	28492 KB	Output is correct
18	Correct	20 ms	28492 KB	Output is correct
19	Correct	20 ms	28408 KB	Output is correct
20	Correct	18 ms	28496 KB	Output is correct
21	Correct	19 ms	28504 KB	Output is correct
22	Correct	21 ms	28380 KB	Output is correct
23	Correct	24 ms	28492 KB	Output is correct
24	Correct	20 ms	28496 KB	Output is correct
25	Correct	22 ms	28492 KB	Output is correct
26	Correct	20 ms	28440 KB	Output is correct
27	Correct	20 ms	28408 KB	Output is correct
28	Correct	20 ms	28492 KB	Output is correct
29	Correct	20 ms	28492 KB	Output is correct
30	Correct	19 ms	28500 KB	Output is correct
31	Correct	18 ms	28404 KB	Output is correct
32	Correct	22 ms	28492 KB	Output is correct
33	Correct	19 ms	28492 KB	Output is correct
34	Correct	17 ms	28492 KB	Output is correct
35	Correct	19 ms	28472 KB	Output is correct
36	Correct	18 ms	28500 KB	Output is correct
37	Correct	20 ms	28584 KB	Output is correct
38	Correct	19 ms	28492 KB	Output is correct
39	Correct	21 ms	28500 KB	Output is correct
40	Correct	19 ms	28492 KB	Output is correct
41	Correct	23 ms	28440 KB	Output is correct
42	Correct	19 ms	28420 KB	Output is correct
43	Correct	18 ms	28396 KB	Output is correct
44	Correct	19 ms	28436 KB	Output is correct
45	Incorrect	19 ms	28520 KB	Output isn't correct

Subtask #3
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	28492 KB	Output is correct
2	Correct	22 ms	28424 KB	Output is correct
3	Correct	20 ms	28428 KB	Output is correct
4	Correct	19 ms	28500 KB	Output is correct
5	Correct	23 ms	28444 KB	Output is correct
6	Correct	20 ms	28756 KB	Output is correct
7	Correct	19 ms	28748 KB	Output is correct
8	Correct	21 ms	28716 KB	Output is correct

Subtask #4
0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	20 ms	28492 KB	Output is correct
2	Correct	22 ms	28460 KB	Output is correct
3	Correct	22 ms	28496 KB	Output is correct
4	Correct	20 ms	28496 KB	Output is correct
5	Correct	19 ms	28496 KB	Output is correct
6	Correct	25 ms	28492 KB	Output is correct
7	Correct	18 ms	28412 KB	Output is correct
8	Correct	18 ms	28428 KB	Output is correct
9	Correct	19 ms	28400 KB	Output is correct
10	Correct	19 ms	28440 KB	Output is correct
11	Correct	24 ms	28456 KB	Output is correct
12	Correct	18 ms	28492 KB	Output is correct
13	Correct	20 ms	28484 KB	Output is correct
14	Correct	20 ms	28496 KB	Output is correct
15	Correct	20 ms	28492 KB	Output is correct
16	Correct	20 ms	28480 KB	Output is correct
17	Correct	19 ms	28492 KB	Output is correct
18	Correct	20 ms	28492 KB	Output is correct
19	Correct	20 ms	28408 KB	Output is correct
20	Correct	18 ms	28496 KB	Output is correct
21	Correct	19 ms	28504 KB	Output is correct
22	Correct	21 ms	28380 KB	Output is correct
23	Correct	24 ms	28492 KB	Output is correct
24	Correct	20 ms	28496 KB	Output is correct
25	Correct	22 ms	28492 KB	Output is correct
26	Correct	20 ms	28440 KB	Output is correct
27	Correct	20 ms	28408 KB	Output is correct
28	Correct	20 ms	28492 KB	Output is correct
29	Correct	20 ms	28492 KB	Output is correct
30	Correct	19 ms	28500 KB	Output is correct
31	Correct	18 ms	28404 KB	Output is correct
32	Correct	22 ms	28492 KB	Output is correct
33	Correct	19 ms	28492 KB	Output is correct
34	Correct	17 ms	28492 KB	Output is correct
35	Correct	19 ms	28472 KB	Output is correct
36	Correct	18 ms	28500 KB	Output is correct
37	Correct	20 ms	28584 KB	Output is correct
38	Correct	19 ms	28492 KB	Output is correct
39	Correct	21 ms	28500 KB	Output is correct
40	Correct	19 ms	28492 KB	Output is correct
41	Correct	23 ms	28440 KB	Output is correct
42	Correct	19 ms	28420 KB	Output is correct
43	Correct	18 ms	28396 KB	Output is correct
44	Correct	19 ms	28436 KB	Output is correct
45	Incorrect	19 ms	28520 KB	Output isn't correct

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	20 ms	28492 KB	Output is correct
2	Correct	22 ms	28460 KB	Output is correct
3	Correct	22 ms	28496 KB	Output is correct
4	Correct	20 ms	28496 KB	Output is correct
5	Correct	19 ms	28496 KB	Output is correct
6	Correct	25 ms	28492 KB	Output is correct
7	Correct	18 ms	28412 KB	Output is correct
8	Correct	18 ms	28428 KB	Output is correct
9	Correct	19 ms	28400 KB	Output is correct
10	Correct	19 ms	28440 KB	Output is correct
11	Correct	24 ms	28456 KB	Output is correct
12	Correct	18 ms	28492 KB	Output is correct
13	Correct	20 ms	28484 KB	Output is correct
14	Correct	20 ms	28496 KB	Output is correct
15	Correct	20 ms	28492 KB	Output is correct
16	Correct	20 ms	28480 KB	Output is correct
17	Correct	19 ms	28492 KB	Output is correct
18	Correct	20 ms	28492 KB	Output is correct
19	Correct	20 ms	28408 KB	Output is correct
20	Correct	18 ms	28496 KB	Output is correct
21	Correct	19 ms	28504 KB	Output is correct
22	Correct	21 ms	28380 KB	Output is correct
23	Correct	24 ms	28492 KB	Output is correct
24	Correct	20 ms	28496 KB	Output is correct
25	Correct	22 ms	28492 KB	Output is correct
26	Correct	20 ms	28440 KB	Output is correct
27	Correct	20 ms	28408 KB	Output is correct
28	Correct	20 ms	28492 KB	Output is correct
29	Correct	20 ms	28492 KB	Output is correct
30	Correct	19 ms	28500 KB	Output is correct
31	Correct	18 ms	28404 KB	Output is correct
32	Correct	22 ms	28492 KB	Output is correct
33	Correct	19 ms	28492 KB	Output is correct
34	Correct	17 ms	28492 KB	Output is correct
35	Correct	19 ms	28472 KB	Output is correct
36	Correct	18 ms	28500 KB	Output is correct
37	Correct	20 ms	28584 KB	Output is correct
38	Correct	19 ms	28492 KB	Output is correct
39	Correct	21 ms	28500 KB	Output is correct
40	Correct	19 ms	28492 KB	Output is correct
41	Correct	23 ms	28440 KB	Output is correct
42	Correct	19 ms	28420 KB	Output is correct
43	Correct	18 ms	28396 KB	Output is correct
44	Correct	19 ms	28436 KB	Output is correct
45	Incorrect	19 ms	28520 KB	Output isn't correct

Subtask #6
0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	20 ms	28492 KB	Output is correct
2	Correct	22 ms	28460 KB	Output is correct
3	Correct	22 ms	28496 KB	Output is correct
4	Correct	20 ms	28496 KB	Output is correct
5	Correct	19 ms	28496 KB	Output is correct
6	Correct	25 ms	28492 KB	Output is correct
7	Correct	18 ms	28412 KB	Output is correct
8	Correct	18 ms	28428 KB	Output is correct
9	Correct	19 ms	28400 KB	Output is correct
10	Correct	19 ms	28440 KB	Output is correct
11	Correct	24 ms	28456 KB	Output is correct
12	Correct	18 ms	28492 KB	Output is correct
13	Correct	20 ms	28484 KB	Output is correct
14	Correct	20 ms	28496 KB	Output is correct
15	Correct	20 ms	28492 KB	Output is correct
16	Correct	20 ms	28480 KB	Output is correct
17	Correct	19 ms	28492 KB	Output is correct
18	Correct	20 ms	28492 KB	Output is correct
19	Correct	20 ms	28408 KB	Output is correct
20	Correct	18 ms	28496 KB	Output is correct
21	Correct	19 ms	28504 KB	Output is correct
22	Correct	21 ms	28380 KB	Output is correct
23	Correct	24 ms	28492 KB	Output is correct
24	Correct	20 ms	28496 KB	Output is correct
25	Correct	22 ms	28492 KB	Output is correct
26	Correct	20 ms	28440 KB	Output is correct
27	Correct	20 ms	28408 KB	Output is correct
28	Correct	20 ms	28492 KB	Output is correct
29	Correct	20 ms	28492 KB	Output is correct
30	Correct	19 ms	28500 KB	Output is correct
31	Correct	18 ms	28404 KB	Output is correct
32	Correct	22 ms	28492 KB	Output is correct
33	Correct	19 ms	28492 KB	Output is correct
34	Correct	17 ms	28492 KB	Output is correct
35	Correct	19 ms	28472 KB	Output is correct
36	Correct	18 ms	28500 KB	Output is correct
37	Correct	20 ms	28584 KB	Output is correct
38	Correct	19 ms	28492 KB	Output is correct
39	Correct	21 ms	28500 KB	Output is correct
40	Correct	19 ms	28492 KB	Output is correct
41	Correct	23 ms	28440 KB	Output is correct
42	Correct	19 ms	28420 KB	Output is correct
43	Correct	18 ms	28396 KB	Output is correct
44	Correct	19 ms	28436 KB	Output is correct
45	Incorrect	19 ms	28520 KB	Output isn't correct

Subtask #7
0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	20 ms	28492 KB	Output is correct
2	Correct	22 ms	28460 KB	Output is correct
3	Correct	22 ms	28496 KB	Output is correct
4	Correct	20 ms	28496 KB	Output is correct
5	Correct	19 ms	28496 KB	Output is correct
6	Correct	25 ms	28492 KB	Output is correct
7	Correct	18 ms	28412 KB	Output is correct
8	Correct	18 ms	28428 KB	Output is correct
9	Correct	19 ms	28400 KB	Output is correct
10	Correct	19 ms	28440 KB	Output is correct
11	Correct	24 ms	28456 KB	Output is correct
12	Correct	18 ms	28492 KB	Output is correct
13	Correct	20 ms	28484 KB	Output is correct
14	Correct	20 ms	28496 KB	Output is correct
15	Correct	20 ms	28492 KB	Output is correct
16	Correct	20 ms	28480 KB	Output is correct
17	Correct	19 ms	28492 KB	Output is correct
18	Correct	20 ms	28492 KB	Output is correct
19	Correct	20 ms	28408 KB	Output is correct
20	Correct	18 ms	28496 KB	Output is correct
21	Correct	19 ms	28504 KB	Output is correct
22	Correct	21 ms	28380 KB	Output is correct
23	Correct	24 ms	28492 KB	Output is correct
24	Correct	20 ms	28496 KB	Output is correct
25	Correct	22 ms	28492 KB	Output is correct
26	Correct	20 ms	28440 KB	Output is correct
27	Correct	20 ms	28408 KB	Output is correct
28	Correct	20 ms	28492 KB	Output is correct
29	Correct	20 ms	28492 KB	Output is correct
30	Correct	19 ms	28500 KB	Output is correct
31	Correct	18 ms	28404 KB	Output is correct
32	Correct	22 ms	28492 KB	Output is correct
33	Correct	19 ms	28492 KB	Output is correct
34	Correct	17 ms	28492 KB	Output is correct
35	Correct	19 ms	28472 KB	Output is correct
36	Correct	18 ms	28500 KB	Output is correct
37	Correct	20 ms	28584 KB	Output is correct
38	Correct	19 ms	28492 KB	Output is correct
39	Correct	21 ms	28500 KB	Output is correct
40	Correct	19 ms	28492 KB	Output is correct
41	Correct	23 ms	28440 KB	Output is correct
42	Correct	19 ms	28420 KB	Output is correct
43	Correct	18 ms	28396 KB	Output is correct
44	Correct	19 ms	28436 KB	Output is correct
45	Incorrect	19 ms	28520 KB	Output isn't correct

답안 #426431

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 0 / 8.0

Subtask #3 6.0 / 6.0

Subtask #4 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
0 / 8.0

Subtask #3
6.0 / 6.0

Subtask #4
0 / 6.0

Subtask #5
0 / 12.0

Subtask #6
0 / 32.0

Subtask #7
0 / 31.0