#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], x[i]+=6969, y[i]+=696969;
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)) {
if(a[p[i]]!=-1)
continue;
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) {
auto mf=mp.find(b<<32|c);
if(mf==mp.end())
continue;
int ns=0;
vector<int> &v=mf->second;
for(int j=0; j<v.size(); ++j) {
ll dx=x[p[i]]-x[v[j]], dy=y[p[i]]-y[v[j]], rs=r[p[i]]+r[v[j]];
if(dx*dx+dy*dy<=rs*rs)
a[v[j]]=p[i];
else
v[ns++]=v[j];
}
v.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:43:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=0; j<v.size(); ++j) {
~^~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
408 KB |
Output is correct |
| 4 |
Correct |
2 ms |
456 KB |
Output is correct |
| 5 |
Correct |
2 ms |
512 KB |
Output is correct |
| 6 |
Correct |
2 ms |
588 KB |
Output is correct |
| 7 |
Correct |
2 ms |
592 KB |
Output is correct |
| 8 |
Correct |
2 ms |
596 KB |
Output is correct |
| 9 |
Correct |
2 ms |
596 KB |
Output is correct |
| 10 |
Correct |
2 ms |
608 KB |
Output is correct |
| 11 |
Correct |
2 ms |
608 KB |
Output is correct |
| 12 |
Correct |
2 ms |
608 KB |
Output is correct |
| 13 |
Correct |
2 ms |
608 KB |
Output is correct |
| 14 |
Correct |
2 ms |
608 KB |
Output is correct |
| 15 |
Correct |
2 ms |
608 KB |
Output is correct |
| 16 |
Correct |
3 ms |
608 KB |
Output is correct |
| 17 |
Correct |
3 ms |
632 KB |
Output is correct |
| 18 |
Correct |
3 ms |
632 KB |
Output is correct |
| 19 |
Correct |
6 ms |
864 KB |
Output is correct |
| 20 |
Correct |
6 ms |
864 KB |
Output is correct |
| 21 |
Correct |
6 ms |
880 KB |
Output is correct |
| 22 |
Correct |
21 ms |
1280 KB |
Output is correct |
| 23 |
Correct |
20 ms |
1280 KB |
Output is correct |
| 24 |
Correct |
15 ms |
1280 KB |
Output is correct |
| 25 |
Correct |
22 ms |
1320 KB |
Output is correct |
| 26 |
Correct |
20 ms |
1320 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
241 ms |
12320 KB |
Output is correct |
| 2 |
Correct |
247 ms |
12572 KB |
Output is correct |
| 3 |
Correct |
244 ms |
12572 KB |
Output is correct |
| 4 |
Correct |
249 ms |
12572 KB |
Output is correct |
| 5 |
Correct |
399 ms |
14904 KB |
Output is correct |
| 6 |
Correct |
831 ms |
23244 KB |
Output is correct |
| 7 |
Correct |
419 ms |
23244 KB |
Output is correct |
| 8 |
Correct |
487 ms |
23244 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
23244 KB |
Output is correct |
| 2 |
Correct |
462 ms |
23244 KB |
Output is correct |
| 3 |
Correct |
1950 ms |
25188 KB |
Output is correct |
| 4 |
Correct |
1876 ms |
25188 KB |
Output is correct |
| 5 |
Correct |
1674 ms |
25188 KB |
Output is correct |
| 6 |
Correct |
580 ms |
25188 KB |
Output is correct |
| 7 |
Correct |
248 ms |
25188 KB |
Output is correct |
| 8 |
Correct |
52 ms |
25188 KB |
Output is correct |
| 9 |
Correct |
1783 ms |
25980 KB |
Output is correct |
| 10 |
Correct |
1842 ms |
25980 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1014 ms |
25980 KB |
Output is correct |
| 2 |
Execution timed out |
3039 ms |
37176 KB |
Time limit exceeded |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
408 KB |
Output is correct |
| 4 |
Correct |
2 ms |
456 KB |
Output is correct |
| 5 |
Correct |
2 ms |
512 KB |
Output is correct |
| 6 |
Correct |
2 ms |
588 KB |
Output is correct |
| 7 |
Correct |
2 ms |
592 KB |
Output is correct |
| 8 |
Correct |
2 ms |
596 KB |
Output is correct |
| 9 |
Correct |
2 ms |
596 KB |
Output is correct |
| 10 |
Correct |
2 ms |
608 KB |
Output is correct |
| 11 |
Correct |
2 ms |
608 KB |
Output is correct |
| 12 |
Correct |
2 ms |
608 KB |
Output is correct |
| 13 |
Correct |
2 ms |
608 KB |
Output is correct |
| 14 |
Correct |
2 ms |
608 KB |
Output is correct |
| 15 |
Correct |
2 ms |
608 KB |
Output is correct |
| 16 |
Correct |
3 ms |
608 KB |
Output is correct |
| 17 |
Correct |
3 ms |
632 KB |
Output is correct |
| 18 |
Correct |
3 ms |
632 KB |
Output is correct |
| 19 |
Correct |
6 ms |
864 KB |
Output is correct |
| 20 |
Correct |
6 ms |
864 KB |
Output is correct |
| 21 |
Correct |
6 ms |
880 KB |
Output is correct |
| 22 |
Correct |
21 ms |
1280 KB |
Output is correct |
| 23 |
Correct |
20 ms |
1280 KB |
Output is correct |
| 24 |
Correct |
15 ms |
1280 KB |
Output is correct |
| 25 |
Correct |
22 ms |
1320 KB |
Output is correct |
| 26 |
Correct |
20 ms |
1320 KB |
Output is correct |
| 27 |
Correct |
11 ms |
37176 KB |
Output is correct |
| 28 |
Correct |
9 ms |
37176 KB |
Output is correct |
| 29 |
Correct |
10 ms |
37176 KB |
Output is correct |
| 30 |
Correct |
33 ms |
37176 KB |
Output is correct |
| 31 |
Correct |
39 ms |
37176 KB |
Output is correct |
| 32 |
Correct |
30 ms |
37176 KB |
Output is correct |
| 33 |
Correct |
79 ms |
37176 KB |
Output is correct |
| 34 |
Correct |
76 ms |
37176 KB |
Output is correct |
| 35 |
Correct |
85 ms |
37176 KB |
Output is correct |
| 36 |
Correct |
552 ms |
37176 KB |
Output is correct |
| 37 |
Correct |
334 ms |
37176 KB |
Output is correct |
| 38 |
Correct |
328 ms |
37176 KB |
Output is correct |
| 39 |
Correct |
273 ms |
37176 KB |
Output is correct |
| 40 |
Correct |
270 ms |
37176 KB |
Output is correct |
| 41 |
Correct |
268 ms |
37176 KB |
Output is correct |
| 42 |
Correct |
215 ms |
37176 KB |
Output is correct |
| 43 |
Correct |
451 ms |
37176 KB |
Output is correct |
| 44 |
Correct |
464 ms |
37176 KB |
Output is correct |
| 45 |
Correct |
435 ms |
37176 KB |
Output is correct |
| 46 |
Correct |
482 ms |
37176 KB |
Output is correct |
| 47 |
Correct |
491 ms |
37176 KB |
Output is correct |
| 48 |
Correct |
452 ms |
37176 KB |
Output is correct |
| 49 |
Correct |
486 ms |
37176 KB |
Output is correct |
| 50 |
Correct |
464 ms |
37176 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
408 KB |
Output is correct |
| 4 |
Correct |
2 ms |
456 KB |
Output is correct |
| 5 |
Correct |
2 ms |
512 KB |
Output is correct |
| 6 |
Correct |
2 ms |
588 KB |
Output is correct |
| 7 |
Correct |
2 ms |
592 KB |
Output is correct |
| 8 |
Correct |
2 ms |
596 KB |
Output is correct |
| 9 |
Correct |
2 ms |
596 KB |
Output is correct |
| 10 |
Correct |
2 ms |
608 KB |
Output is correct |
| 11 |
Correct |
2 ms |
608 KB |
Output is correct |
| 12 |
Correct |
2 ms |
608 KB |
Output is correct |
| 13 |
Correct |
2 ms |
608 KB |
Output is correct |
| 14 |
Correct |
2 ms |
608 KB |
Output is correct |
| 15 |
Correct |
2 ms |
608 KB |
Output is correct |
| 16 |
Correct |
3 ms |
608 KB |
Output is correct |
| 17 |
Correct |
3 ms |
632 KB |
Output is correct |
| 18 |
Correct |
3 ms |
632 KB |
Output is correct |
| 19 |
Correct |
6 ms |
864 KB |
Output is correct |
| 20 |
Correct |
6 ms |
864 KB |
Output is correct |
| 21 |
Correct |
6 ms |
880 KB |
Output is correct |
| 22 |
Correct |
21 ms |
1280 KB |
Output is correct |
| 23 |
Correct |
20 ms |
1280 KB |
Output is correct |
| 24 |
Correct |
15 ms |
1280 KB |
Output is correct |
| 25 |
Correct |
22 ms |
1320 KB |
Output is correct |
| 26 |
Correct |
20 ms |
1320 KB |
Output is correct |
| 27 |
Correct |
241 ms |
12320 KB |
Output is correct |
| 28 |
Correct |
247 ms |
12572 KB |
Output is correct |
| 29 |
Correct |
244 ms |
12572 KB |
Output is correct |
| 30 |
Correct |
249 ms |
12572 KB |
Output is correct |
| 31 |
Correct |
399 ms |
14904 KB |
Output is correct |
| 32 |
Correct |
831 ms |
23244 KB |
Output is correct |
| 33 |
Correct |
419 ms |
23244 KB |
Output is correct |
| 34 |
Correct |
487 ms |
23244 KB |
Output is correct |
| 35 |
Correct |
2 ms |
23244 KB |
Output is correct |
| 36 |
Correct |
462 ms |
23244 KB |
Output is correct |
| 37 |
Correct |
1950 ms |
25188 KB |
Output is correct |
| 38 |
Correct |
1876 ms |
25188 KB |
Output is correct |
| 39 |
Correct |
1674 ms |
25188 KB |
Output is correct |
| 40 |
Correct |
580 ms |
25188 KB |
Output is correct |
| 41 |
Correct |
248 ms |
25188 KB |
Output is correct |
| 42 |
Correct |
52 ms |
25188 KB |
Output is correct |
| 43 |
Correct |
1783 ms |
25980 KB |
Output is correct |
| 44 |
Correct |
1842 ms |
25980 KB |
Output is correct |
| 45 |
Correct |
1014 ms |
25980 KB |
Output is correct |
| 46 |
Execution timed out |
3039 ms |
37176 KB |
Time limit exceeded |
| 47 |
Halted |
0 ms |
0 KB |
- |
