#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int mxN=3e5;
int n, p[mxN], a[mxN];
ll x[mxN], y[mxN], r[mxN];
unordered_map<ll, vector<int>> mp;
void rs(int k) {
mp.clear();
for(int i=0; i<n; ++i)
if(a[i]==-1)
mp[x[i]>>k<<32|y[i]>>k].push_back(i);
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n;
for(int i=0; i<n; ++i) {
cin >> x[i] >> y[i] >> r[i];
p[i]=i;
}
sort(p, p+n, [&](const int &a, const int &b) {
return r[a]==r[b]?a<b:r[a]>r[b];
});
memset(a, -1, 4*n);
for(int i=-1, k=30; i+1<n; --i, --k) {
rs(k);
while(++i<n&&r[p[i]]>=1<<(k-1)) {
// cout << p[i] << endl;
if(a[p[i]]!=-1)
continue;
// cout << p[i] << endl;
for(ll b=(x[p[i]]>>k)-2; b<=(x[p[i]]>>k)+2; ++b) {
for(ll c=(y[p[i]]>>k)-2; c<=(y[p[i]]>>k)+2; ++c) {
int ns=0;
//vector &v;
for(int j=0; j<mp[b<<32|c].size(); ++j) {
ll dx=x[p[i]]-x[mp[b<<32|c][j]], dy=y[p[i]]-y[mp[b<<32|c][j]], rs=r[p[i]]+r[mp[b<<32|c][j]];
if(dx*dx+dy*dy<=rs*rs)
a[mp[b<<32|c][j]]=p[i];
else
mp[b<<32|c][ns++]=mp[b<<32|c][j];
}
mp[b<<32|c].resize(ns);
}
}
}
}
for(int i=0; i<n; ++i)
cout << a[i]+1 << " ";
}
Compilation message
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=0; j<mp[b<<32|c].size(); ++j) {
~^~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
512 KB |
Output is correct |
4 |
Correct |
2 ms |
512 KB |
Output is correct |
5 |
Correct |
2 ms |
512 KB |
Output is correct |
6 |
Correct |
2 ms |
528 KB |
Output is correct |
7 |
Correct |
2 ms |
576 KB |
Output is correct |
8 |
Correct |
2 ms |
580 KB |
Output is correct |
9 |
Correct |
2 ms |
628 KB |
Output is correct |
10 |
Correct |
2 ms |
692 KB |
Output is correct |
11 |
Correct |
3 ms |
768 KB |
Output is correct |
12 |
Correct |
3 ms |
912 KB |
Output is correct |
13 |
Correct |
3 ms |
912 KB |
Output is correct |
14 |
Correct |
3 ms |
980 KB |
Output is correct |
15 |
Correct |
3 ms |
980 KB |
Output is correct |
16 |
Correct |
3 ms |
980 KB |
Output is correct |
17 |
Correct |
3 ms |
980 KB |
Output is correct |
18 |
Correct |
3 ms |
980 KB |
Output is correct |
19 |
Correct |
7 ms |
1276 KB |
Output is correct |
20 |
Correct |
7 ms |
1520 KB |
Output is correct |
21 |
Correct |
7 ms |
1628 KB |
Output is correct |
22 |
Correct |
48 ms |
5672 KB |
Output is correct |
23 |
Correct |
25 ms |
5672 KB |
Output is correct |
24 |
Correct |
22 ms |
5672 KB |
Output is correct |
25 |
Correct |
37 ms |
5672 KB |
Output is correct |
26 |
Correct |
34 ms |
5672 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
305 ms |
22376 KB |
Output is correct |
2 |
Correct |
329 ms |
27460 KB |
Output is correct |
3 |
Correct |
315 ms |
35312 KB |
Output is correct |
4 |
Correct |
269 ms |
40532 KB |
Output is correct |
5 |
Correct |
516 ms |
47840 KB |
Output is correct |
6 |
Correct |
1411 ms |
74300 KB |
Output is correct |
7 |
Correct |
613 ms |
74300 KB |
Output is correct |
8 |
Correct |
781 ms |
74300 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
74300 KB |
Output is correct |
2 |
Correct |
2363 ms |
87532 KB |
Output is correct |
3 |
Execution timed out |
3010 ms |
117696 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3049 ms |
117696 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
512 KB |
Output is correct |
4 |
Correct |
2 ms |
512 KB |
Output is correct |
5 |
Correct |
2 ms |
512 KB |
Output is correct |
6 |
Correct |
2 ms |
528 KB |
Output is correct |
7 |
Correct |
2 ms |
576 KB |
Output is correct |
8 |
Correct |
2 ms |
580 KB |
Output is correct |
9 |
Correct |
2 ms |
628 KB |
Output is correct |
10 |
Correct |
2 ms |
692 KB |
Output is correct |
11 |
Correct |
3 ms |
768 KB |
Output is correct |
12 |
Correct |
3 ms |
912 KB |
Output is correct |
13 |
Correct |
3 ms |
912 KB |
Output is correct |
14 |
Correct |
3 ms |
980 KB |
Output is correct |
15 |
Correct |
3 ms |
980 KB |
Output is correct |
16 |
Correct |
3 ms |
980 KB |
Output is correct |
17 |
Correct |
3 ms |
980 KB |
Output is correct |
18 |
Correct |
3 ms |
980 KB |
Output is correct |
19 |
Correct |
7 ms |
1276 KB |
Output is correct |
20 |
Correct |
7 ms |
1520 KB |
Output is correct |
21 |
Correct |
7 ms |
1628 KB |
Output is correct |
22 |
Correct |
48 ms |
5672 KB |
Output is correct |
23 |
Correct |
25 ms |
5672 KB |
Output is correct |
24 |
Correct |
22 ms |
5672 KB |
Output is correct |
25 |
Correct |
37 ms |
5672 KB |
Output is correct |
26 |
Correct |
34 ms |
5672 KB |
Output is correct |
27 |
Correct |
15 ms |
117696 KB |
Output is correct |
28 |
Correct |
11 ms |
117696 KB |
Output is correct |
29 |
Correct |
13 ms |
117696 KB |
Output is correct |
30 |
Correct |
50 ms |
117696 KB |
Output is correct |
31 |
Correct |
88 ms |
117696 KB |
Output is correct |
32 |
Correct |
43 ms |
117696 KB |
Output is correct |
33 |
Correct |
91 ms |
117696 KB |
Output is correct |
34 |
Correct |
89 ms |
117696 KB |
Output is correct |
35 |
Correct |
107 ms |
117696 KB |
Output is correct |
36 |
Correct |
1476 ms |
154688 KB |
Output is correct |
37 |
Correct |
670 ms |
154688 KB |
Output is correct |
38 |
Correct |
1206 ms |
154688 KB |
Output is correct |
39 |
Execution timed out |
3036 ms |
154688 KB |
Time limit exceeded |
40 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
512 KB |
Output is correct |
4 |
Correct |
2 ms |
512 KB |
Output is correct |
5 |
Correct |
2 ms |
512 KB |
Output is correct |
6 |
Correct |
2 ms |
528 KB |
Output is correct |
7 |
Correct |
2 ms |
576 KB |
Output is correct |
8 |
Correct |
2 ms |
580 KB |
Output is correct |
9 |
Correct |
2 ms |
628 KB |
Output is correct |
10 |
Correct |
2 ms |
692 KB |
Output is correct |
11 |
Correct |
3 ms |
768 KB |
Output is correct |
12 |
Correct |
3 ms |
912 KB |
Output is correct |
13 |
Correct |
3 ms |
912 KB |
Output is correct |
14 |
Correct |
3 ms |
980 KB |
Output is correct |
15 |
Correct |
3 ms |
980 KB |
Output is correct |
16 |
Correct |
3 ms |
980 KB |
Output is correct |
17 |
Correct |
3 ms |
980 KB |
Output is correct |
18 |
Correct |
3 ms |
980 KB |
Output is correct |
19 |
Correct |
7 ms |
1276 KB |
Output is correct |
20 |
Correct |
7 ms |
1520 KB |
Output is correct |
21 |
Correct |
7 ms |
1628 KB |
Output is correct |
22 |
Correct |
48 ms |
5672 KB |
Output is correct |
23 |
Correct |
25 ms |
5672 KB |
Output is correct |
24 |
Correct |
22 ms |
5672 KB |
Output is correct |
25 |
Correct |
37 ms |
5672 KB |
Output is correct |
26 |
Correct |
34 ms |
5672 KB |
Output is correct |
27 |
Correct |
305 ms |
22376 KB |
Output is correct |
28 |
Correct |
329 ms |
27460 KB |
Output is correct |
29 |
Correct |
315 ms |
35312 KB |
Output is correct |
30 |
Correct |
269 ms |
40532 KB |
Output is correct |
31 |
Correct |
516 ms |
47840 KB |
Output is correct |
32 |
Correct |
1411 ms |
74300 KB |
Output is correct |
33 |
Correct |
613 ms |
74300 KB |
Output is correct |
34 |
Correct |
781 ms |
74300 KB |
Output is correct |
35 |
Correct |
3 ms |
74300 KB |
Output is correct |
36 |
Correct |
2363 ms |
87532 KB |
Output is correct |
37 |
Execution timed out |
3010 ms |
117696 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |