#include <bits/stdc++.h>
using namespace std;
constexpr int MAXN = 200005;
constexpr int MAXINT = 1073741823;
set<int> neighbors[MAXN];
struct circles {
int x, y, radius;
} circle[MAXN];
int sorted[MAXN], answer[MAXN];
bitset<MAXN> deleted;
bool comparison(int x, int y) {
return (circle[x].radius == circle[y].radius? x < y : circle[x].radius > circle[y].radius);
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n, distance_2, radius_2;
cin >> n;
for (int i = 0; i < n; i++) {
cin >> circle[i].x >> circle[i].y >> circle[i].radius;
sorted[i] = i;
}
for (int i = 0; i < n; i++)
for (int j = i + 1; j < n; j++) {
distance_2 = (circle[i].x - circle[j].x) * (circle[i].x - circle[j].x) + (circle[i].y - circle[j].y) * (circle[i].y - circle[j].y);
radius_2 = (circle[i].radius + circle[j].radius) * (circle[i].radius + circle[j].radius);
if (radius_2 >= distance_2) {
neighbors[i].insert(j);
neighbors[j].insert(i);
}
}
sort(sorted, sorted + n, comparison);
for (int i = 0; i < n; i++)
if (!deleted[sorted[i]]) {
answer[sorted[i]] = sorted[i];
deleted[sorted[i]] = true;
for (int j : neighbors[sorted[i]]) {
answer[j] = sorted[i];
deleted[j] = true;
for (int k : neighbors[j])
if (k != sorted[i])
neighbors[k].erase(j);
}
}
for (int i = 0; i < n; i++)
cout << answer[i] + 1 << ' ';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
9676 KB |
Output is correct |
2 |
Incorrect |
6 ms |
9716 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
122 ms |
32452 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
6 ms |
9648 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
127 ms |
33716 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
9676 KB |
Output is correct |
2 |
Incorrect |
6 ms |
9716 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
9676 KB |
Output is correct |
2 |
Incorrect |
6 ms |
9716 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |