#include <iostream>
#include <queue>
#include <string>
#include <algorithm>
#include <vector>
#include <cmath>
#include <iomanip>
#include <map>
#include <cstring>
#include <set>
#include <stack>
#include <bitset>
#define dbug(x) cout << (#x) << " -> " << x << endl
#define ll long long
#define INF (1e9)
#define MAX (int) (2e5 + 5)
#define MOD 1000000007
#define par pair<int, int>
#define all(v) v.begin(), v.end()
#define sz(x) (int) ((x).size())
#define esq(x) (x<<1)
#define dir(x) ((x<<1)|1)
#define lsb(x) (x & -x)
#define W(x) cout << #x << ": " << x << endl
#define Wii(x) cout << x.first << ' ' << x.second << endl
#define _ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
ll n, r, a, b, deltax, deltay, resp, qtd;
vector<pair<ll, ll> > v;
priority_queue<ll, vector<ll>, greater<ll> > pq;
pair<ll, ll> tempo(double x, double y, double dx, double dy)
{
int ok = 0;
double a = (dx*dx) + (dy*dy);
double b = (2*dx*x) + (2*dy*y);
double c = (x*x) + (y*y) - (r*r);
// dbug(a);
// dbug(b);
// dbug(c);
double delta = (b*b) - (4*a*c);
// dbug(delta);
if (delta<0) return {INF, INF};
double r1 = (-b - sqrt(delta)) / (2*a);
double r2 = (-b + sqrt(delta)) / (2*a);
// dbug(delta);
// dbug(r1);
// dbug(r2);
// dbug(sqrt(delta));
for (ll i = max((double)0, r1-2); i <= r1+2; i++)
{
ll px = x + (dx*i);
ll py = y + (dy*i);
// dbug(px);
// dbug(py);
if ((px*px) + (py*py) <= r*r)
{
// dbug(r1);
ok = 1;
r1 = i;
break;
}
}
for (ll i = r2+2; i >= max((double)0, r2-2); i--)
{
ll px = x + (dx*i);
ll py = y + (dy*i);
if ((px*px) + (py*py) <= r*r)
{
ok = 1;
r2 = i;
break;
}
}
if (!ok) return {INF, INF};
return {max(0LL, (ll)r1), (ll)r2};
}
int main()
{_
cin >> n >> r;
for (int i = 1; i <= n; i++)
{
cin >> a >> b >> deltax >> deltay;
deltax -= a;
deltay -= b;
// dbug(deltax);
// dbug(deltay);
v.push_back(tempo(a, b, deltax, deltay));
}
sort(all(v));
for (auto[l, r] : v)
{
if (l == INF && r == INF) break;
// cout << l << ' ' << r << endl;
while (!pq.empty() && pq.top() < l) pq.pop(), qtd--;
qtd++;
resp = max(resp, qtd);
pq.push(r);
}
cout << resp << endl;
}
Compilation message
noras.cpp: In function 'int main()':
noras.cpp:98:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
98 | for (auto[l, r] : v)
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
324 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
320 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
328 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
324 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
320 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
328 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
38 ms |
5136 KB |
Output is correct |
24 |
Correct |
40 ms |
5128 KB |
Output is correct |
25 |
Correct |
38 ms |
5160 KB |
Output is correct |
26 |
Correct |
37 ms |
5140 KB |
Output is correct |
27 |
Correct |
36 ms |
4536 KB |
Output is correct |
28 |
Correct |
35 ms |
4452 KB |
Output is correct |
29 |
Correct |
51 ms |
4428 KB |
Output is correct |
30 |
Correct |
37 ms |
4544 KB |
Output is correct |
31 |
Correct |
37 ms |
4480 KB |
Output is correct |
32 |
Correct |
51 ms |
4088 KB |
Output is correct |
33 |
Correct |
51 ms |
3984 KB |
Output is correct |
34 |
Correct |
47 ms |
4036 KB |
Output is correct |
35 |
Correct |
59 ms |
3988 KB |
Output is correct |
36 |
Correct |
51 ms |
4080 KB |
Output is correct |
37 |
Correct |
41 ms |
4168 KB |
Output is correct |
38 |
Correct |
39 ms |
4268 KB |
Output is correct |
39 |
Correct |
39 ms |
4236 KB |
Output is correct |
40 |
Correct |
39 ms |
4268 KB |
Output is correct |
41 |
Correct |
36 ms |
4132 KB |
Output is correct |
42 |
Correct |
36 ms |
4300 KB |
Output is correct |
43 |
Correct |
116 ms |
11260 KB |
Output is correct |
44 |
Correct |
93 ms |
11308 KB |
Output is correct |
45 |
Correct |
97 ms |
11256 KB |
Output is correct |
46 |
Correct |
95 ms |
11416 KB |
Output is correct |
47 |
Correct |
89 ms |
11236 KB |
Output is correct |
48 |
Correct |
104 ms |
7920 KB |
Output is correct |
49 |
Correct |
122 ms |
7916 KB |
Output is correct |
50 |
Correct |
102 ms |
7856 KB |
Output is correct |
51 |
Correct |
101 ms |
7812 KB |
Output is correct |
52 |
Correct |
117 ms |
7632 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
324 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
320 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
328 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
328 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
2 ms |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
2 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
324 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
320 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
328 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
38 ms |
5136 KB |
Output is correct |
24 |
Correct |
40 ms |
5128 KB |
Output is correct |
25 |
Correct |
38 ms |
5160 KB |
Output is correct |
26 |
Correct |
37 ms |
5140 KB |
Output is correct |
27 |
Correct |
36 ms |
4536 KB |
Output is correct |
28 |
Correct |
35 ms |
4452 KB |
Output is correct |
29 |
Correct |
51 ms |
4428 KB |
Output is correct |
30 |
Correct |
37 ms |
4544 KB |
Output is correct |
31 |
Correct |
37 ms |
4480 KB |
Output is correct |
32 |
Correct |
51 ms |
4088 KB |
Output is correct |
33 |
Correct |
51 ms |
3984 KB |
Output is correct |
34 |
Correct |
47 ms |
4036 KB |
Output is correct |
35 |
Correct |
59 ms |
3988 KB |
Output is correct |
36 |
Correct |
51 ms |
4080 KB |
Output is correct |
37 |
Correct |
41 ms |
4168 KB |
Output is correct |
38 |
Correct |
39 ms |
4268 KB |
Output is correct |
39 |
Correct |
39 ms |
4236 KB |
Output is correct |
40 |
Correct |
39 ms |
4268 KB |
Output is correct |
41 |
Correct |
36 ms |
4132 KB |
Output is correct |
42 |
Correct |
36 ms |
4300 KB |
Output is correct |
43 |
Correct |
116 ms |
11260 KB |
Output is correct |
44 |
Correct |
93 ms |
11308 KB |
Output is correct |
45 |
Correct |
97 ms |
11256 KB |
Output is correct |
46 |
Correct |
95 ms |
11416 KB |
Output is correct |
47 |
Correct |
89 ms |
11236 KB |
Output is correct |
48 |
Correct |
104 ms |
7920 KB |
Output is correct |
49 |
Correct |
122 ms |
7916 KB |
Output is correct |
50 |
Correct |
102 ms |
7856 KB |
Output is correct |
51 |
Correct |
101 ms |
7812 KB |
Output is correct |
52 |
Correct |
117 ms |
7632 KB |
Output is correct |
53 |
Correct |
1 ms |
212 KB |
Output is correct |
54 |
Correct |
1 ms |
328 KB |
Output is correct |
55 |
Correct |
1 ms |
340 KB |
Output is correct |
56 |
Correct |
2 ms |
332 KB |
Output is correct |
57 |
Correct |
1 ms |
340 KB |
Output is correct |
58 |
Correct |
2 ms |
344 KB |
Output is correct |
59 |
Correct |
40 ms |
5144 KB |
Output is correct |
60 |
Correct |
44 ms |
4112 KB |
Output is correct |
61 |
Correct |
57 ms |
4260 KB |
Output is correct |
62 |
Correct |
44 ms |
4260 KB |
Output is correct |
63 |
Correct |
54 ms |
4068 KB |
Output is correct |
64 |
Correct |
46 ms |
4032 KB |
Output is correct |
65 |
Correct |
47 ms |
4152 KB |
Output is correct |
66 |
Correct |
50 ms |
4084 KB |
Output is correct |
67 |
Correct |
44 ms |
4032 KB |
Output is correct |
68 |
Correct |
54 ms |
4164 KB |
Output is correct |
69 |
Correct |
52 ms |
3876 KB |
Output is correct |
70 |
Correct |
52 ms |
3960 KB |
Output is correct |
71 |
Correct |
52 ms |
3872 KB |
Output is correct |
72 |
Correct |
51 ms |
4040 KB |
Output is correct |
73 |
Correct |
45 ms |
4180 KB |
Output is correct |
74 |
Correct |
40 ms |
4364 KB |
Output is correct |
75 |
Correct |
41 ms |
4332 KB |
Output is correct |
76 |
Correct |
47 ms |
4380 KB |
Output is correct |
77 |
Correct |
92 ms |
10952 KB |
Output is correct |
78 |
Correct |
92 ms |
10896 KB |
Output is correct |
79 |
Correct |
98 ms |
10900 KB |
Output is correct |
80 |
Correct |
90 ms |
10880 KB |
Output is correct |
81 |
Correct |
93 ms |
10876 KB |
Output is correct |
82 |
Correct |
109 ms |
7972 KB |
Output is correct |
83 |
Correct |
124 ms |
8104 KB |
Output is correct |
84 |
Correct |
107 ms |
7972 KB |
Output is correct |
85 |
Correct |
120 ms |
7584 KB |
Output is correct |
86 |
Correct |
106 ms |
7988 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
324 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
320 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
328 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
38 ms |
5136 KB |
Output is correct |
24 |
Correct |
40 ms |
5128 KB |
Output is correct |
25 |
Correct |
38 ms |
5160 KB |
Output is correct |
26 |
Correct |
37 ms |
5140 KB |
Output is correct |
27 |
Correct |
36 ms |
4536 KB |
Output is correct |
28 |
Correct |
35 ms |
4452 KB |
Output is correct |
29 |
Correct |
51 ms |
4428 KB |
Output is correct |
30 |
Correct |
37 ms |
4544 KB |
Output is correct |
31 |
Correct |
37 ms |
4480 KB |
Output is correct |
32 |
Correct |
51 ms |
4088 KB |
Output is correct |
33 |
Correct |
51 ms |
3984 KB |
Output is correct |
34 |
Correct |
47 ms |
4036 KB |
Output is correct |
35 |
Correct |
59 ms |
3988 KB |
Output is correct |
36 |
Correct |
51 ms |
4080 KB |
Output is correct |
37 |
Correct |
41 ms |
4168 KB |
Output is correct |
38 |
Correct |
39 ms |
4268 KB |
Output is correct |
39 |
Correct |
39 ms |
4236 KB |
Output is correct |
40 |
Correct |
39 ms |
4268 KB |
Output is correct |
41 |
Correct |
36 ms |
4132 KB |
Output is correct |
42 |
Correct |
36 ms |
4300 KB |
Output is correct |
43 |
Correct |
116 ms |
11260 KB |
Output is correct |
44 |
Correct |
93 ms |
11308 KB |
Output is correct |
45 |
Correct |
97 ms |
11256 KB |
Output is correct |
46 |
Correct |
95 ms |
11416 KB |
Output is correct |
47 |
Correct |
89 ms |
11236 KB |
Output is correct |
48 |
Correct |
104 ms |
7920 KB |
Output is correct |
49 |
Correct |
122 ms |
7916 KB |
Output is correct |
50 |
Correct |
102 ms |
7856 KB |
Output is correct |
51 |
Correct |
101 ms |
7812 KB |
Output is correct |
52 |
Correct |
117 ms |
7632 KB |
Output is correct |
53 |
Correct |
40 ms |
5144 KB |
Output is correct |
54 |
Correct |
44 ms |
4112 KB |
Output is correct |
55 |
Correct |
57 ms |
4260 KB |
Output is correct |
56 |
Correct |
44 ms |
4260 KB |
Output is correct |
57 |
Correct |
54 ms |
4068 KB |
Output is correct |
58 |
Correct |
46 ms |
4032 KB |
Output is correct |
59 |
Correct |
47 ms |
4152 KB |
Output is correct |
60 |
Correct |
50 ms |
4084 KB |
Output is correct |
61 |
Correct |
44 ms |
4032 KB |
Output is correct |
62 |
Correct |
54 ms |
4164 KB |
Output is correct |
63 |
Correct |
52 ms |
3876 KB |
Output is correct |
64 |
Correct |
52 ms |
3960 KB |
Output is correct |
65 |
Correct |
52 ms |
3872 KB |
Output is correct |
66 |
Correct |
51 ms |
4040 KB |
Output is correct |
67 |
Correct |
45 ms |
4180 KB |
Output is correct |
68 |
Correct |
40 ms |
4364 KB |
Output is correct |
69 |
Correct |
41 ms |
4332 KB |
Output is correct |
70 |
Correct |
47 ms |
4380 KB |
Output is correct |
71 |
Correct |
92 ms |
10952 KB |
Output is correct |
72 |
Correct |
92 ms |
10896 KB |
Output is correct |
73 |
Correct |
98 ms |
10900 KB |
Output is correct |
74 |
Correct |
90 ms |
10880 KB |
Output is correct |
75 |
Correct |
93 ms |
10876 KB |
Output is correct |
76 |
Correct |
109 ms |
7972 KB |
Output is correct |
77 |
Correct |
124 ms |
8104 KB |
Output is correct |
78 |
Correct |
107 ms |
7972 KB |
Output is correct |
79 |
Correct |
120 ms |
7584 KB |
Output is correct |
80 |
Correct |
106 ms |
7988 KB |
Output is correct |
81 |
Correct |
1 ms |
212 KB |
Output is correct |
82 |
Correct |
1 ms |
328 KB |
Output is correct |
83 |
Correct |
1 ms |
340 KB |
Output is correct |
84 |
Correct |
2 ms |
332 KB |
Output is correct |
85 |
Correct |
1 ms |
340 KB |
Output is correct |
86 |
Correct |
2 ms |
344 KB |
Output is correct |
87 |
Correct |
52 ms |
5604 KB |
Output is correct |
88 |
Correct |
59 ms |
5800 KB |
Output is correct |
89 |
Correct |
60 ms |
5712 KB |
Output is correct |
90 |
Correct |
61 ms |
5648 KB |
Output is correct |
91 |
Correct |
55 ms |
5700 KB |
Output is correct |
92 |
Correct |
59 ms |
5668 KB |
Output is correct |
93 |
Correct |
56 ms |
5612 KB |
Output is correct |
94 |
Correct |
54 ms |
5832 KB |
Output is correct |
95 |
Correct |
53 ms |
5608 KB |
Output is correct |
96 |
Correct |
56 ms |
5624 KB |
Output is correct |
97 |
Correct |
48 ms |
6040 KB |
Output is correct |
98 |
Correct |
42 ms |
5932 KB |
Output is correct |
99 |
Correct |
40 ms |
5952 KB |
Output is correct |
100 |
Correct |
42 ms |
5972 KB |
Output is correct |
101 |
Correct |
40 ms |
5960 KB |
Output is correct |
102 |
Correct |
40 ms |
5924 KB |
Output is correct |
103 |
Correct |
44 ms |
5996 KB |
Output is correct |
104 |
Correct |
43 ms |
5964 KB |
Output is correct |
105 |
Correct |
43 ms |
5960 KB |
Output is correct |
106 |
Correct |
43 ms |
5892 KB |
Output is correct |