# include <stdio.h>
# include <bits/stdc++.h>
#define _USE_MATH_DEFINES_
#define ll long long
#define ld long double
#define Accepted 0
#define pb push_back
#define mp make_pair
#define sz(x) (int)(x.size())
#define every(x) x.begin(),x.end()
#define F first
#define S second
#define For(i,x,y) for (int i = x; i <= y; i ++)
#define FOr(i,x,y) for (int i = x; i >= y; i --)
#define SpeedForce ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0)
// ROAD to... Red
using namespace std;
inline double Time() {return (clock() * 1.0) / CLOCKS_PER_SEC; }
inline bool isvowel (char c) {
c = tolower(c);
if (c == 'a' || c == 'e' || c == 'i' || c == 'y' || c == 'o' || c == 'u') return 1;
return 0;
}
const double eps = 0.000001;
const ld pi = acos(-1);
const int maxn = 1e7 + 9;
const int mod = 1e9 + 7;
const ll MOD = 1e18 + 9;
const ll INF = 1e18 + 123;
const int inf = 2e9 + 11;
const int mxn = 1e6 + 9;
const int N = 3e5 + 123;
const int M = 22;
const int pri = 997;
const int Magic = 2101;
const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, -1, 0, 1};
int n, m, k;
int id[N];
ll r[N];
ll x[N];
ll y[N];
int ans[N];
int lim;
bool cmp (int x, int y) {
return r[x] > r[y] || (r[x] == r[y] && x < y);
}
map < pair < int, int > , vector < int > > q;
void upd () {
q.clear();
for (int i = 1; i <= n; i ++) {
if (!ans[i])
q[mp(x[i] / lim, y[i] / lim)].pb(i);
}
}
ll sq (ll x) {
return x * x;
}
bool in (int i, int j) {
return sq(x[i] - x[j]) + sq(y[i] - y[j]) <= sq(r[i] + r[j]);
}
int main () {
SpeedForce;
cin >> n;
for (int i = 1; i <= n; i ++) {
cin >> x[i] >> y[i] >> r[i];
id[i] = i;
}
sort(id + 1, id + n + 1, &cmp);
lim = inf;
for (int pos = 1; pos <= n; pos ++) {
if (ans[id[pos]]) continue;
int j = id[pos];
if (r[j] * 2 <= lim) {
lim = r[j];
upd ();
}
// cout << j << '\n';
ans[j] = j;
int xx = x[j] / lim, yy = y[j] / lim;
for (int x = xx - 2; x <= xx + 2; x ++) for (int y = yy - 2; y <= yy + 2; y ++) if (q.count(mp(x, y))) {
vector < int > nq;
for (auto i : q[mp(x, y)]) {
if (ans[i]) continue;
if (in(i, j)) {
ans[i] = j;
} else nq.pb(j);
}
q[mp(x, y)] = nq;
}
}
for (int i = 1; i <= n; i ++)
cout << ans[i] << ' ';
return Accepted;
}
// B...a D....
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Incorrect |
2 ms |
384 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
220 ms |
11960 KB |
Output is correct |
2 |
Incorrect |
232 ms |
12432 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2267 ms |
44792 KB |
Output is correct |
2 |
Correct |
1708 ms |
44664 KB |
Output is correct |
3 |
Incorrect |
2675 ms |
21496 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Incorrect |
2 ms |
384 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Incorrect |
2 ms |
384 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |