| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 961071 |
2024-04-11T13:27:19 Z |
Pety |
Kućice (COCI21_kucice) |
C++14 |
|
89 ms |
604 KB |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e6+2;
using ll = long long;
const int mod = 1e9 + 7;
int n;
struct point {
ll x, y;
point operator - (const point &other) const {
return {x - other.x, y - other.y};
}
};
point p[1002];
ll ccw (point a, point b) {
return a.x * b.y - a.y * b.x;
}
bool cmp (point a, point b) {
if ((a.x > 0) != (b.x > 0))
return a.x < b.x;
return ccw(a, b) > 0;
}
ll pw[1002];
int main ()
{
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
cin >> n;
pw[0] = 1;
for (int i = 1; i <= n; i++) {
cin >> p[i].x >> p[i].y;
pw[i] = 2ll * pw[i - 1] % mod;
}
ll ans = 0;
for (int i = 1; i <= n; i++) {
vector<point>v;
for (int j = 1; j <= n; j++)
if (j != i)
v.push_back(p[j] - p[i]);
sort(v.begin(), v.end(), cmp);
int j = 0;
ll x = 0;
for (int i = 0; i < n - 1; i++) {
while (ccw(v[i], v[(j + 1) % (n - 1)]) > 0)
j++;
x = (x + pw[(j - i + (n - 1)) % (n - 1)]) % mod;
}
x = pw[n] - x;
if (x < 0) x += mod;
ans += x;
if (ans >= mod) ans %= mod;
}
cout << (ans-n + mod) % mod;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
464 KB |
Output is correct |
| 4 |
Correct |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
70 ms |
468 KB |
Output is correct |
| 7 |
Correct |
82 ms |
348 KB |
Output is correct |
| 8 |
Correct |
72 ms |
348 KB |
Output is correct |
| 9 |
Correct |
79 ms |
600 KB |
Output is correct |
| 10 |
Correct |
65 ms |
604 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
604 KB |
Output is correct |
| 6 |
Correct |
73 ms |
500 KB |
Output is correct |
| 7 |
Correct |
83 ms |
504 KB |
Output is correct |
| 8 |
Correct |
68 ms |
504 KB |
Output is correct |
| 9 |
Correct |
86 ms |
500 KB |
Output is correct |
| 10 |
Correct |
71 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
600 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
504 KB |
Output is correct |
| 9 |
Correct |
1 ms |
604 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
460 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
600 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
504 KB |
Output is correct |
| 9 |
Correct |
1 ms |
604 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
460 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
600 KB |
Output is correct |
| 17 |
Correct |
1 ms |
600 KB |
Output is correct |
| 18 |
Correct |
1 ms |
504 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
604 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
604 KB |
Output is correct |
| 26 |
Correct |
1 ms |
344 KB |
Output is correct |
| 27 |
Correct |
1 ms |
344 KB |
Output is correct |
| 28 |
Correct |
1 ms |
600 KB |
Output is correct |
| 29 |
Correct |
1 ms |
504 KB |
Output is correct |
| 30 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
464 KB |
Output is correct |
| 4 |
Correct |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
70 ms |
468 KB |
Output is correct |
| 7 |
Correct |
82 ms |
348 KB |
Output is correct |
| 8 |
Correct |
72 ms |
348 KB |
Output is correct |
| 9 |
Correct |
79 ms |
600 KB |
Output is correct |
| 10 |
Correct |
65 ms |
604 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
604 KB |
Output is correct |
| 16 |
Correct |
73 ms |
500 KB |
Output is correct |
| 17 |
Correct |
83 ms |
504 KB |
Output is correct |
| 18 |
Correct |
68 ms |
504 KB |
Output is correct |
| 19 |
Correct |
86 ms |
500 KB |
Output is correct |
| 20 |
Correct |
71 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
600 KB |
Output is correct |
| 22 |
Correct |
0 ms |
344 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
348 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
504 KB |
Output is correct |
| 29 |
Correct |
1 ms |
604 KB |
Output is correct |
| 30 |
Correct |
1 ms |
348 KB |
Output is correct |
| 31 |
Correct |
1 ms |
344 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
0 ms |
348 KB |
Output is correct |
| 34 |
Correct |
0 ms |
460 KB |
Output is correct |
| 35 |
Correct |
1 ms |
348 KB |
Output is correct |
| 36 |
Correct |
1 ms |
600 KB |
Output is correct |
| 37 |
Correct |
1 ms |
600 KB |
Output is correct |
| 38 |
Correct |
1 ms |
504 KB |
Output is correct |
| 39 |
Correct |
0 ms |
348 KB |
Output is correct |
| 40 |
Correct |
1 ms |
348 KB |
Output is correct |
| 41 |
Correct |
1 ms |
604 KB |
Output is correct |
| 42 |
Correct |
1 ms |
344 KB |
Output is correct |
| 43 |
Correct |
1 ms |
348 KB |
Output is correct |
| 44 |
Correct |
1 ms |
348 KB |
Output is correct |
| 45 |
Correct |
1 ms |
604 KB |
Output is correct |
| 46 |
Correct |
1 ms |
344 KB |
Output is correct |
| 47 |
Correct |
1 ms |
344 KB |
Output is correct |
| 48 |
Correct |
1 ms |
600 KB |
Output is correct |
| 49 |
Correct |
1 ms |
504 KB |
Output is correct |
| 50 |
Correct |
1 ms |
348 KB |
Output is correct |
| 51 |
Correct |
1 ms |
600 KB |
Output is correct |
| 52 |
Correct |
0 ms |
600 KB |
Output is correct |
| 53 |
Correct |
0 ms |
348 KB |
Output is correct |
| 54 |
Correct |
0 ms |
348 KB |
Output is correct |
| 55 |
Correct |
1 ms |
348 KB |
Output is correct |
| 56 |
Correct |
1 ms |
344 KB |
Output is correct |
| 57 |
Correct |
82 ms |
600 KB |
Output is correct |
| 58 |
Correct |
72 ms |
504 KB |
Output is correct |
| 59 |
Correct |
89 ms |
348 KB |
Output is correct |
| 60 |
Correct |
70 ms |
348 KB |
Output is correct |
| 61 |
Correct |
81 ms |
504 KB |
Output is correct |
| 62 |
Correct |
76 ms |
344 KB |
Output is correct |
| 63 |
Correct |
76 ms |
504 KB |
Output is correct |
| 64 |
Correct |
77 ms |
344 KB |
Output is correct |
| 65 |
Correct |
86 ms |
508 KB |
Output is correct |
