Submission #426430

# Submission time Handle Problem Language Result Execution time Memory
426430 2021-06-14T02:54:32 Z Kevin_Zhang_TW IOI Fever (JOI21_fever) C++17
37 / 100
5000 ms 221200 KB
#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);
	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], x[i] *= 2, y[i] *= 2;
 
	init();
 
	int res = 1;
	for (int i = 0;i < 4;++i)
		chmax(res, solve(i));
 
	cout << res << '\n'; 
} 
# Verdict Execution time Memory Grader output
1 Correct 17 ms 28492 KB Output is correct
2 Correct 18 ms 28404 KB Output is correct
3 Correct 17 ms 28492 KB Output is correct
4 Correct 18 ms 28496 KB Output is correct
5 Correct 16 ms 28496 KB Output is correct
6 Correct 17 ms 28496 KB Output is correct
7 Correct 18 ms 28492 KB Output is correct
8 Correct 16 ms 28492 KB Output is correct
9 Correct 16 ms 28500 KB Output is correct
10 Correct 16 ms 28500 KB Output is correct
11 Correct 22 ms 28496 KB Output is correct
12 Correct 21 ms 28472 KB Output is correct
13 Correct 16 ms 28476 KB Output is correct
14 Correct 16 ms 28492 KB Output is correct
15 Correct 16 ms 28460 KB Output is correct
16 Correct 18 ms 28492 KB Output is correct
17 Correct 17 ms 28492 KB Output is correct
18 Correct 18 ms 28392 KB Output is correct
19 Correct 17 ms 28420 KB Output is correct
20 Correct 16 ms 28492 KB Output is correct
21 Correct 16 ms 28492 KB Output is correct
22 Correct 16 ms 28492 KB Output is correct
23 Correct 19 ms 28492 KB Output is correct
24 Correct 19 ms 28488 KB Output is correct
25 Correct 18 ms 28488 KB Output is correct
26 Correct 18 ms 28620 KB Output is correct
27 Correct 16 ms 28500 KB Output is correct
28 Correct 17 ms 28508 KB Output is correct
29 Correct 16 ms 28492 KB Output is correct
30 Correct 16 ms 28452 KB Output is correct
31 Correct 17 ms 28460 KB Output is correct
32 Correct 16 ms 28432 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 17 ms 28492 KB Output is correct
2 Correct 18 ms 28404 KB Output is correct
3 Correct 17 ms 28492 KB Output is correct
4 Correct 18 ms 28496 KB Output is correct
5 Correct 16 ms 28496 KB Output is correct
6 Correct 17 ms 28496 KB Output is correct
7 Correct 18 ms 28492 KB Output is correct
8 Correct 16 ms 28492 KB Output is correct
9 Correct 16 ms 28500 KB Output is correct
10 Correct 16 ms 28500 KB Output is correct
11 Correct 22 ms 28496 KB Output is correct
12 Correct 21 ms 28472 KB Output is correct
13 Correct 16 ms 28476 KB Output is correct
14 Correct 16 ms 28492 KB Output is correct
15 Correct 16 ms 28460 KB Output is correct
16 Correct 18 ms 28492 KB Output is correct
17 Correct 17 ms 28492 KB Output is correct
18 Correct 18 ms 28392 KB Output is correct
19 Correct 17 ms 28420 KB Output is correct
20 Correct 16 ms 28492 KB Output is correct
21 Correct 16 ms 28492 KB Output is correct
22 Correct 16 ms 28492 KB Output is correct
23 Correct 19 ms 28492 KB Output is correct
24 Correct 19 ms 28488 KB Output is correct
25 Correct 18 ms 28488 KB Output is correct
26 Correct 18 ms 28620 KB Output is correct
27 Correct 16 ms 28500 KB Output is correct
28 Correct 17 ms 28508 KB Output is correct
29 Correct 16 ms 28492 KB Output is correct
30 Correct 16 ms 28452 KB Output is correct
31 Correct 17 ms 28460 KB Output is correct
32 Correct 16 ms 28432 KB Output is correct
33 Correct 18 ms 28500 KB Output is correct
34 Correct 17 ms 28488 KB Output is correct
35 Correct 17 ms 28488 KB Output is correct
36 Correct 15 ms 28508 KB Output is correct
37 Correct 16 ms 28488 KB Output is correct
38 Correct 16 ms 28488 KB Output is correct
39 Correct 17 ms 28492 KB Output is correct
40 Correct 17 ms 28396 KB Output is correct
41 Correct 19 ms 28444 KB Output is correct
42 Correct 16 ms 28492 KB Output is correct
43 Correct 16 ms 28500 KB Output is correct
44 Correct 16 ms 28496 KB Output is correct
45 Correct 18 ms 28492 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 17 ms 28520 KB Output is correct
2 Correct 16 ms 28452 KB Output is correct
3 Correct 18 ms 28492 KB Output is correct
4 Correct 20 ms 28504 KB Output is correct
5 Correct 20 ms 28604 KB Output is correct
6 Correct 18 ms 28704 KB Output is correct
7 Correct 17 ms 28748 KB Output is correct
8 Correct 17 ms 28752 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 17 ms 28492 KB Output is correct
2 Correct 18 ms 28404 KB Output is correct
3 Correct 17 ms 28492 KB Output is correct
4 Correct 18 ms 28496 KB Output is correct
5 Correct 16 ms 28496 KB Output is correct
6 Correct 17 ms 28496 KB Output is correct
7 Correct 18 ms 28492 KB Output is correct
8 Correct 16 ms 28492 KB Output is correct
9 Correct 16 ms 28500 KB Output is correct
10 Correct 16 ms 28500 KB Output is correct
11 Correct 22 ms 28496 KB Output is correct
12 Correct 21 ms 28472 KB Output is correct
13 Correct 16 ms 28476 KB Output is correct
14 Correct 16 ms 28492 KB Output is correct
15 Correct 16 ms 28460 KB Output is correct
16 Correct 18 ms 28492 KB Output is correct
17 Correct 17 ms 28492 KB Output is correct
18 Correct 18 ms 28392 KB Output is correct
19 Correct 17 ms 28420 KB Output is correct
20 Correct 16 ms 28492 KB Output is correct
21 Correct 16 ms 28492 KB Output is correct
22 Correct 16 ms 28492 KB Output is correct
23 Correct 19 ms 28492 KB Output is correct
24 Correct 19 ms 28488 KB Output is correct
25 Correct 18 ms 28488 KB Output is correct
26 Correct 18 ms 28620 KB Output is correct
27 Correct 16 ms 28500 KB Output is correct
28 Correct 17 ms 28508 KB Output is correct
29 Correct 16 ms 28492 KB Output is correct
30 Correct 16 ms 28452 KB Output is correct
31 Correct 17 ms 28460 KB Output is correct
32 Correct 16 ms 28432 KB Output is correct
33 Correct 18 ms 28500 KB Output is correct
34 Correct 17 ms 28488 KB Output is correct
35 Correct 17 ms 28488 KB Output is correct
36 Correct 15 ms 28508 KB Output is correct
37 Correct 16 ms 28488 KB Output is correct
38 Correct 16 ms 28488 KB Output is correct
39 Correct 17 ms 28492 KB Output is correct
40 Correct 17 ms 28396 KB Output is correct
41 Correct 19 ms 28444 KB Output is correct
42 Correct 16 ms 28492 KB Output is correct
43 Correct 16 ms 28500 KB Output is correct
44 Correct 16 ms 28496 KB Output is correct
45 Correct 18 ms 28492 KB Output is correct
46 Correct 17 ms 28520 KB Output is correct
47 Correct 16 ms 28452 KB Output is correct
48 Correct 18 ms 28492 KB Output is correct
49 Correct 20 ms 28504 KB Output is correct
50 Correct 20 ms 28604 KB Output is correct
51 Correct 18 ms 28704 KB Output is correct
52 Correct 17 ms 28748 KB Output is correct
53 Correct 17 ms 28752 KB Output is correct
54 Correct 17 ms 28520 KB Output is correct
55 Correct 20 ms 28492 KB Output is correct
56 Correct 17 ms 28492 KB Output is correct
57 Correct 20 ms 28440 KB Output is correct
58 Correct 18 ms 28704 KB Output is correct
59 Correct 21 ms 28492 KB Output is correct
60 Correct 17 ms 28492 KB Output is correct
61 Correct 19 ms 28500 KB Output is correct
62 Correct 17 ms 28492 KB Output is correct
63 Correct 17 ms 28400 KB Output is correct
64 Correct 18 ms 28456 KB Output is correct
65 Correct 18 ms 28524 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 17 ms 28492 KB Output is correct
2 Correct 18 ms 28404 KB Output is correct
3 Correct 17 ms 28492 KB Output is correct
4 Correct 18 ms 28496 KB Output is correct
5 Correct 16 ms 28496 KB Output is correct
6 Correct 17 ms 28496 KB Output is correct
7 Correct 18 ms 28492 KB Output is correct
8 Correct 16 ms 28492 KB Output is correct
9 Correct 16 ms 28500 KB Output is correct
10 Correct 16 ms 28500 KB Output is correct
11 Correct 22 ms 28496 KB Output is correct
12 Correct 21 ms 28472 KB Output is correct
13 Correct 16 ms 28476 KB Output is correct
14 Correct 16 ms 28492 KB Output is correct
15 Correct 16 ms 28460 KB Output is correct
16 Correct 18 ms 28492 KB Output is correct
17 Correct 17 ms 28492 KB Output is correct
18 Correct 18 ms 28392 KB Output is correct
19 Correct 17 ms 28420 KB Output is correct
20 Correct 16 ms 28492 KB Output is correct
21 Correct 16 ms 28492 KB Output is correct
22 Correct 16 ms 28492 KB Output is correct
23 Correct 19 ms 28492 KB Output is correct
24 Correct 19 ms 28488 KB Output is correct
25 Correct 18 ms 28488 KB Output is correct
26 Correct 18 ms 28620 KB Output is correct
27 Correct 16 ms 28500 KB Output is correct
28 Correct 17 ms 28508 KB Output is correct
29 Correct 16 ms 28492 KB Output is correct
30 Correct 16 ms 28452 KB Output is correct
31 Correct 17 ms 28460 KB Output is correct
32 Correct 16 ms 28432 KB Output is correct
33 Correct 18 ms 28500 KB Output is correct
34 Correct 17 ms 28488 KB Output is correct
35 Correct 17 ms 28488 KB Output is correct
36 Correct 15 ms 28508 KB Output is correct
37 Correct 16 ms 28488 KB Output is correct
38 Correct 16 ms 28488 KB Output is correct
39 Correct 17 ms 28492 KB Output is correct
40 Correct 17 ms 28396 KB Output is correct
41 Correct 19 ms 28444 KB Output is correct
42 Correct 16 ms 28492 KB Output is correct
43 Correct 16 ms 28500 KB Output is correct
44 Correct 16 ms 28496 KB Output is correct
45 Correct 18 ms 28492 KB Output is correct
46 Correct 17 ms 28520 KB Output is correct
47 Correct 16 ms 28452 KB Output is correct
48 Correct 18 ms 28492 KB Output is correct
49 Correct 20 ms 28504 KB Output is correct
50 Correct 20 ms 28604 KB Output is correct
51 Correct 18 ms 28704 KB Output is correct
52 Correct 17 ms 28748 KB Output is correct
53 Correct 17 ms 28752 KB Output is correct
54 Correct 17 ms 28520 KB Output is correct
55 Correct 20 ms 28492 KB Output is correct
56 Correct 17 ms 28492 KB Output is correct
57 Correct 20 ms 28440 KB Output is correct
58 Correct 18 ms 28704 KB Output is correct
59 Correct 21 ms 28492 KB Output is correct
60 Correct 17 ms 28492 KB Output is correct
61 Correct 19 ms 28500 KB Output is correct
62 Correct 17 ms 28492 KB Output is correct
63 Correct 17 ms 28400 KB Output is correct
64 Correct 18 ms 28456 KB Output is correct
65 Correct 18 ms 28524 KB Output is correct
66 Correct 444 ms 28896 KB Output is correct
67 Correct 385 ms 28920 KB Output is correct
68 Correct 376 ms 28576 KB Output is correct
69 Correct 443 ms 33996 KB Output is correct
70 Correct 414 ms 30584 KB Output is correct
71 Correct 418 ms 29788 KB Output is correct
72 Correct 379 ms 28904 KB Output is correct
73 Correct 382 ms 28572 KB Output is correct
74 Correct 837 ms 221200 KB Output is correct
75 Correct 1138 ms 220456 KB Output is correct
76 Correct 483 ms 34120 KB Output is correct
77 Correct 426 ms 41540 KB Output is correct
78 Correct 399 ms 33832 KB Output is correct
79 Correct 409 ms 34872 KB Output is correct
80 Correct 397 ms 28648 KB Output is correct
81 Correct 451 ms 28792 KB Output is correct
82 Correct 659 ms 128196 KB Output is correct
83 Correct 794 ms 128088 KB Output is correct
84 Correct 503 ms 78060 KB Output is correct
85 Correct 431 ms 38516 KB Output is correct
86 Correct 427 ms 37320 KB Output is correct
87 Correct 441 ms 53956 KB Output is correct
88 Correct 729 ms 215568 KB Output is correct
89 Correct 463 ms 29000 KB Output is correct
90 Correct 396 ms 28852 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 17 ms 28492 KB Output is correct
2 Correct 18 ms 28404 KB Output is correct
3 Correct 17 ms 28492 KB Output is correct
4 Correct 18 ms 28496 KB Output is correct
5 Correct 16 ms 28496 KB Output is correct
6 Correct 17 ms 28496 KB Output is correct
7 Correct 18 ms 28492 KB Output is correct
8 Correct 16 ms 28492 KB Output is correct
9 Correct 16 ms 28500 KB Output is correct
10 Correct 16 ms 28500 KB Output is correct
11 Correct 22 ms 28496 KB Output is correct
12 Correct 21 ms 28472 KB Output is correct
13 Correct 16 ms 28476 KB Output is correct
14 Correct 16 ms 28492 KB Output is correct
15 Correct 16 ms 28460 KB Output is correct
16 Correct 18 ms 28492 KB Output is correct
17 Correct 17 ms 28492 KB Output is correct
18 Correct 18 ms 28392 KB Output is correct
19 Correct 17 ms 28420 KB Output is correct
20 Correct 16 ms 28492 KB Output is correct
21 Correct 16 ms 28492 KB Output is correct
22 Correct 16 ms 28492 KB Output is correct
23 Correct 19 ms 28492 KB Output is correct
24 Correct 19 ms 28488 KB Output is correct
25 Correct 18 ms 28488 KB Output is correct
26 Correct 18 ms 28620 KB Output is correct
27 Correct 16 ms 28500 KB Output is correct
28 Correct 17 ms 28508 KB Output is correct
29 Correct 16 ms 28492 KB Output is correct
30 Correct 16 ms 28452 KB Output is correct
31 Correct 17 ms 28460 KB Output is correct
32 Correct 16 ms 28432 KB Output is correct
33 Correct 18 ms 28500 KB Output is correct
34 Correct 17 ms 28488 KB Output is correct
35 Correct 17 ms 28488 KB Output is correct
36 Correct 15 ms 28508 KB Output is correct
37 Correct 16 ms 28488 KB Output is correct
38 Correct 16 ms 28488 KB Output is correct
39 Correct 17 ms 28492 KB Output is correct
40 Correct 17 ms 28396 KB Output is correct
41 Correct 19 ms 28444 KB Output is correct
42 Correct 16 ms 28492 KB Output is correct
43 Correct 16 ms 28500 KB Output is correct
44 Correct 16 ms 28496 KB Output is correct
45 Correct 18 ms 28492 KB Output is correct
46 Correct 17 ms 28520 KB Output is correct
47 Correct 16 ms 28452 KB Output is correct
48 Correct 18 ms 28492 KB Output is correct
49 Correct 20 ms 28504 KB Output is correct
50 Correct 20 ms 28604 KB Output is correct
51 Correct 18 ms 28704 KB Output is correct
52 Correct 17 ms 28748 KB Output is correct
53 Correct 17 ms 28752 KB Output is correct
54 Correct 17 ms 28520 KB Output is correct
55 Correct 20 ms 28492 KB Output is correct
56 Correct 17 ms 28492 KB Output is correct
57 Correct 20 ms 28440 KB Output is correct
58 Correct 18 ms 28704 KB Output is correct
59 Correct 21 ms 28492 KB Output is correct
60 Correct 17 ms 28492 KB Output is correct
61 Correct 19 ms 28500 KB Output is correct
62 Correct 17 ms 28492 KB Output is correct
63 Correct 17 ms 28400 KB Output is correct
64 Correct 18 ms 28456 KB Output is correct
65 Correct 18 ms 28524 KB Output is correct
66 Execution timed out 5060 ms 30324 KB Time limit exceeded
67 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 17 ms 28492 KB Output is correct
2 Correct 18 ms 28404 KB Output is correct
3 Correct 17 ms 28492 KB Output is correct
4 Correct 18 ms 28496 KB Output is correct
5 Correct 16 ms 28496 KB Output is correct
6 Correct 17 ms 28496 KB Output is correct
7 Correct 18 ms 28492 KB Output is correct
8 Correct 16 ms 28492 KB Output is correct
9 Correct 16 ms 28500 KB Output is correct
10 Correct 16 ms 28500 KB Output is correct
11 Correct 22 ms 28496 KB Output is correct
12 Correct 21 ms 28472 KB Output is correct
13 Correct 16 ms 28476 KB Output is correct
14 Correct 16 ms 28492 KB Output is correct
15 Correct 16 ms 28460 KB Output is correct
16 Correct 18 ms 28492 KB Output is correct
17 Correct 17 ms 28492 KB Output is correct
18 Correct 18 ms 28392 KB Output is correct
19 Correct 17 ms 28420 KB Output is correct
20 Correct 16 ms 28492 KB Output is correct
21 Correct 16 ms 28492 KB Output is correct
22 Correct 16 ms 28492 KB Output is correct
23 Correct 19 ms 28492 KB Output is correct
24 Correct 19 ms 28488 KB Output is correct
25 Correct 18 ms 28488 KB Output is correct
26 Correct 18 ms 28620 KB Output is correct
27 Correct 16 ms 28500 KB Output is correct
28 Correct 17 ms 28508 KB Output is correct
29 Correct 16 ms 28492 KB Output is correct
30 Correct 16 ms 28452 KB Output is correct
31 Correct 17 ms 28460 KB Output is correct
32 Correct 16 ms 28432 KB Output is correct
33 Correct 18 ms 28500 KB Output is correct
34 Correct 17 ms 28488 KB Output is correct
35 Correct 17 ms 28488 KB Output is correct
36 Correct 15 ms 28508 KB Output is correct
37 Correct 16 ms 28488 KB Output is correct
38 Correct 16 ms 28488 KB Output is correct
39 Correct 17 ms 28492 KB Output is correct
40 Correct 17 ms 28396 KB Output is correct
41 Correct 19 ms 28444 KB Output is correct
42 Correct 16 ms 28492 KB Output is correct
43 Correct 16 ms 28500 KB Output is correct
44 Correct 16 ms 28496 KB Output is correct
45 Correct 18 ms 28492 KB Output is correct
46 Correct 17 ms 28520 KB Output is correct
47 Correct 16 ms 28452 KB Output is correct
48 Correct 18 ms 28492 KB Output is correct
49 Correct 20 ms 28504 KB Output is correct
50 Correct 20 ms 28604 KB Output is correct
51 Correct 18 ms 28704 KB Output is correct
52 Correct 17 ms 28748 KB Output is correct
53 Correct 17 ms 28752 KB Output is correct
54 Correct 17 ms 28520 KB Output is correct
55 Correct 20 ms 28492 KB Output is correct
56 Correct 17 ms 28492 KB Output is correct
57 Correct 20 ms 28440 KB Output is correct
58 Correct 18 ms 28704 KB Output is correct
59 Correct 21 ms 28492 KB Output is correct
60 Correct 17 ms 28492 KB Output is correct
61 Correct 19 ms 28500 KB Output is correct
62 Correct 17 ms 28492 KB Output is correct
63 Correct 17 ms 28400 KB Output is correct
64 Correct 18 ms 28456 KB Output is correct
65 Correct 18 ms 28524 KB Output is correct
66 Correct 444 ms 28896 KB Output is correct
67 Correct 385 ms 28920 KB Output is correct
68 Correct 376 ms 28576 KB Output is correct
69 Correct 443 ms 33996 KB Output is correct
70 Correct 414 ms 30584 KB Output is correct
71 Correct 418 ms 29788 KB Output is correct
72 Correct 379 ms 28904 KB Output is correct
73 Correct 382 ms 28572 KB Output is correct
74 Correct 837 ms 221200 KB Output is correct
75 Correct 1138 ms 220456 KB Output is correct
76 Correct 483 ms 34120 KB Output is correct
77 Correct 426 ms 41540 KB Output is correct
78 Correct 399 ms 33832 KB Output is correct
79 Correct 409 ms 34872 KB Output is correct
80 Correct 397 ms 28648 KB Output is correct
81 Correct 451 ms 28792 KB Output is correct
82 Correct 659 ms 128196 KB Output is correct
83 Correct 794 ms 128088 KB Output is correct
84 Correct 503 ms 78060 KB Output is correct
85 Correct 431 ms 38516 KB Output is correct
86 Correct 427 ms 37320 KB Output is correct
87 Correct 441 ms 53956 KB Output is correct
88 Correct 729 ms 215568 KB Output is correct
89 Correct 463 ms 29000 KB Output is correct
90 Correct 396 ms 28852 KB Output is correct
91 Execution timed out 5060 ms 30324 KB Time limit exceeded
92 Halted 0 ms 0 KB -