#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int mxN=3e5;
int n, p[mxN], p2[mxN], a[mxN], k=30;
ll x[mxN], y[mxN], r[mxN];
unordered_map<int, vector<int>> mp;
struct cmp1 {
__attribute__((always_inline)) bool operator()(const int &a, const int &b) {
return y[a]>>k<b;
}
};
void rs(int k) {
mp.clear();
for(int i=0; i<n; ++i)
if(a[p2[i]]==-1)
mp[x[p2[i]]>>k].push_back(p2[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]=p2[i]=i;
}
sort(p, p+n, [&](const int &a, const int &b) {
return r[a]==r[b]?a<b:r[a]>r[b];
});
sort(p2, p2+n, [&](const int &a, const int &b) {
return y[a]<y[b];
});
memset(a, -1, 4*n);
for(int i=-1; 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) {
auto mf=mp.find(b);
if(mf==mp.end())
continue;
vector<int> &v=mf->second;
for(int j=lower_bound(v.begin(), v.end(), (y[p[i]]>>k)-2, cmp1())-v.begin(); j<v.size()&&y[v[j]]>>k<=(y[p[i]]>>k)+2; ++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]]==-1)
a[v[j]]=p[i];
}
}
}
}
for(int i=0; i<n; ++i)
cout << a[i]+1 << " ";
}
Compilation message
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:50:83: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=lower_bound(v.begin(), v.end(), (y[p[i]]>>k)-2, cmp1())-v.begin(); j<v.size()&&y[v[j]]>>k<=(y[p[i]]>>k)+2; ++j) {
~^~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
436 KB |
Output is correct |
3 |
Correct |
2 ms |
436 KB |
Output is correct |
4 |
Correct |
2 ms |
436 KB |
Output is correct |
5 |
Correct |
2 ms |
436 KB |
Output is correct |
6 |
Correct |
2 ms |
476 KB |
Output is correct |
7 |
Correct |
2 ms |
476 KB |
Output is correct |
8 |
Correct |
2 ms |
648 KB |
Output is correct |
9 |
Correct |
2 ms |
648 KB |
Output is correct |
10 |
Correct |
2 ms |
648 KB |
Output is correct |
11 |
Correct |
2 ms |
668 KB |
Output is correct |
12 |
Correct |
3 ms |
668 KB |
Output is correct |
13 |
Correct |
2 ms |
668 KB |
Output is correct |
14 |
Correct |
2 ms |
668 KB |
Output is correct |
15 |
Correct |
2 ms |
668 KB |
Output is correct |
16 |
Correct |
3 ms |
668 KB |
Output is correct |
17 |
Correct |
3 ms |
668 KB |
Output is correct |
18 |
Correct |
3 ms |
668 KB |
Output is correct |
19 |
Correct |
6 ms |
872 KB |
Output is correct |
20 |
Correct |
6 ms |
872 KB |
Output is correct |
21 |
Correct |
6 ms |
888 KB |
Output is correct |
22 |
Correct |
11 ms |
1032 KB |
Output is correct |
23 |
Correct |
10 ms |
1032 KB |
Output is correct |
24 |
Correct |
12 ms |
1056 KB |
Output is correct |
25 |
Correct |
16 ms |
1432 KB |
Output is correct |
26 |
Correct |
12 ms |
1432 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
229 ms |
13476 KB |
Output is correct |
2 |
Correct |
245 ms |
13792 KB |
Output is correct |
3 |
Correct |
253 ms |
13792 KB |
Output is correct |
4 |
Correct |
280 ms |
13792 KB |
Output is correct |
5 |
Correct |
392 ms |
15960 KB |
Output is correct |
6 |
Correct |
738 ms |
24424 KB |
Output is correct |
7 |
Correct |
403 ms |
24424 KB |
Output is correct |
8 |
Correct |
492 ms |
24424 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
24424 KB |
Output is correct |
2 |
Correct |
236 ms |
24424 KB |
Output is correct |
3 |
Correct |
856 ms |
24424 KB |
Output is correct |
4 |
Correct |
864 ms |
24424 KB |
Output is correct |
5 |
Correct |
706 ms |
24424 KB |
Output is correct |
6 |
Correct |
322 ms |
24424 KB |
Output is correct |
7 |
Correct |
162 ms |
24424 KB |
Output is correct |
8 |
Correct |
35 ms |
24424 KB |
Output is correct |
9 |
Correct |
938 ms |
24424 KB |
Output is correct |
10 |
Correct |
636 ms |
24424 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
860 ms |
24424 KB |
Output is correct |
2 |
Correct |
2368 ms |
40236 KB |
Output is correct |
3 |
Correct |
391 ms |
40236 KB |
Output is correct |
4 |
Correct |
1550 ms |
40236 KB |
Output is correct |
5 |
Correct |
1694 ms |
40236 KB |
Output is correct |
6 |
Correct |
354 ms |
40236 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
436 KB |
Output is correct |
3 |
Correct |
2 ms |
436 KB |
Output is correct |
4 |
Correct |
2 ms |
436 KB |
Output is correct |
5 |
Correct |
2 ms |
436 KB |
Output is correct |
6 |
Correct |
2 ms |
476 KB |
Output is correct |
7 |
Correct |
2 ms |
476 KB |
Output is correct |
8 |
Correct |
2 ms |
648 KB |
Output is correct |
9 |
Correct |
2 ms |
648 KB |
Output is correct |
10 |
Correct |
2 ms |
648 KB |
Output is correct |
11 |
Correct |
2 ms |
668 KB |
Output is correct |
12 |
Correct |
3 ms |
668 KB |
Output is correct |
13 |
Correct |
2 ms |
668 KB |
Output is correct |
14 |
Correct |
2 ms |
668 KB |
Output is correct |
15 |
Correct |
2 ms |
668 KB |
Output is correct |
16 |
Correct |
3 ms |
668 KB |
Output is correct |
17 |
Correct |
3 ms |
668 KB |
Output is correct |
18 |
Correct |
3 ms |
668 KB |
Output is correct |
19 |
Correct |
6 ms |
872 KB |
Output is correct |
20 |
Correct |
6 ms |
872 KB |
Output is correct |
21 |
Correct |
6 ms |
888 KB |
Output is correct |
22 |
Correct |
11 ms |
1032 KB |
Output is correct |
23 |
Correct |
10 ms |
1032 KB |
Output is correct |
24 |
Correct |
12 ms |
1056 KB |
Output is correct |
25 |
Correct |
16 ms |
1432 KB |
Output is correct |
26 |
Correct |
12 ms |
1432 KB |
Output is correct |
27 |
Correct |
10 ms |
40236 KB |
Output is correct |
28 |
Correct |
10 ms |
40236 KB |
Output is correct |
29 |
Correct |
10 ms |
40236 KB |
Output is correct |
30 |
Correct |
24 ms |
40236 KB |
Output is correct |
31 |
Correct |
22 ms |
40236 KB |
Output is correct |
32 |
Correct |
23 ms |
40236 KB |
Output is correct |
33 |
Correct |
88 ms |
40236 KB |
Output is correct |
34 |
Correct |
91 ms |
40236 KB |
Output is correct |
35 |
Correct |
98 ms |
40236 KB |
Output is correct |
36 |
Correct |
250 ms |
40236 KB |
Output is correct |
37 |
Correct |
238 ms |
40236 KB |
Output is correct |
38 |
Correct |
231 ms |
40236 KB |
Output is correct |
39 |
Correct |
290 ms |
40236 KB |
Output is correct |
40 |
Correct |
321 ms |
40236 KB |
Output is correct |
41 |
Correct |
307 ms |
40236 KB |
Output is correct |
42 |
Correct |
190 ms |
40236 KB |
Output is correct |
43 |
Correct |
299 ms |
40236 KB |
Output is correct |
44 |
Correct |
332 ms |
40236 KB |
Output is correct |
45 |
Correct |
310 ms |
40236 KB |
Output is correct |
46 |
Correct |
309 ms |
40236 KB |
Output is correct |
47 |
Correct |
284 ms |
40236 KB |
Output is correct |
48 |
Correct |
328 ms |
40236 KB |
Output is correct |
49 |
Correct |
317 ms |
40236 KB |
Output is correct |
50 |
Correct |
319 ms |
40236 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
436 KB |
Output is correct |
3 |
Correct |
2 ms |
436 KB |
Output is correct |
4 |
Correct |
2 ms |
436 KB |
Output is correct |
5 |
Correct |
2 ms |
436 KB |
Output is correct |
6 |
Correct |
2 ms |
476 KB |
Output is correct |
7 |
Correct |
2 ms |
476 KB |
Output is correct |
8 |
Correct |
2 ms |
648 KB |
Output is correct |
9 |
Correct |
2 ms |
648 KB |
Output is correct |
10 |
Correct |
2 ms |
648 KB |
Output is correct |
11 |
Correct |
2 ms |
668 KB |
Output is correct |
12 |
Correct |
3 ms |
668 KB |
Output is correct |
13 |
Correct |
2 ms |
668 KB |
Output is correct |
14 |
Correct |
2 ms |
668 KB |
Output is correct |
15 |
Correct |
2 ms |
668 KB |
Output is correct |
16 |
Correct |
3 ms |
668 KB |
Output is correct |
17 |
Correct |
3 ms |
668 KB |
Output is correct |
18 |
Correct |
3 ms |
668 KB |
Output is correct |
19 |
Correct |
6 ms |
872 KB |
Output is correct |
20 |
Correct |
6 ms |
872 KB |
Output is correct |
21 |
Correct |
6 ms |
888 KB |
Output is correct |
22 |
Correct |
11 ms |
1032 KB |
Output is correct |
23 |
Correct |
10 ms |
1032 KB |
Output is correct |
24 |
Correct |
12 ms |
1056 KB |
Output is correct |
25 |
Correct |
16 ms |
1432 KB |
Output is correct |
26 |
Correct |
12 ms |
1432 KB |
Output is correct |
27 |
Correct |
229 ms |
13476 KB |
Output is correct |
28 |
Correct |
245 ms |
13792 KB |
Output is correct |
29 |
Correct |
253 ms |
13792 KB |
Output is correct |
30 |
Correct |
280 ms |
13792 KB |
Output is correct |
31 |
Correct |
392 ms |
15960 KB |
Output is correct |
32 |
Correct |
738 ms |
24424 KB |
Output is correct |
33 |
Correct |
403 ms |
24424 KB |
Output is correct |
34 |
Correct |
492 ms |
24424 KB |
Output is correct |
35 |
Correct |
2 ms |
24424 KB |
Output is correct |
36 |
Correct |
236 ms |
24424 KB |
Output is correct |
37 |
Correct |
856 ms |
24424 KB |
Output is correct |
38 |
Correct |
864 ms |
24424 KB |
Output is correct |
39 |
Correct |
706 ms |
24424 KB |
Output is correct |
40 |
Correct |
322 ms |
24424 KB |
Output is correct |
41 |
Correct |
162 ms |
24424 KB |
Output is correct |
42 |
Correct |
35 ms |
24424 KB |
Output is correct |
43 |
Correct |
938 ms |
24424 KB |
Output is correct |
44 |
Correct |
636 ms |
24424 KB |
Output is correct |
45 |
Correct |
860 ms |
24424 KB |
Output is correct |
46 |
Correct |
2368 ms |
40236 KB |
Output is correct |
47 |
Correct |
391 ms |
40236 KB |
Output is correct |
48 |
Correct |
1550 ms |
40236 KB |
Output is correct |
49 |
Correct |
1694 ms |
40236 KB |
Output is correct |
50 |
Correct |
354 ms |
40236 KB |
Output is correct |
51 |
Correct |
10 ms |
40236 KB |
Output is correct |
52 |
Correct |
10 ms |
40236 KB |
Output is correct |
53 |
Correct |
10 ms |
40236 KB |
Output is correct |
54 |
Correct |
24 ms |
40236 KB |
Output is correct |
55 |
Correct |
22 ms |
40236 KB |
Output is correct |
56 |
Correct |
23 ms |
40236 KB |
Output is correct |
57 |
Correct |
88 ms |
40236 KB |
Output is correct |
58 |
Correct |
91 ms |
40236 KB |
Output is correct |
59 |
Correct |
98 ms |
40236 KB |
Output is correct |
60 |
Correct |
250 ms |
40236 KB |
Output is correct |
61 |
Correct |
238 ms |
40236 KB |
Output is correct |
62 |
Correct |
231 ms |
40236 KB |
Output is correct |
63 |
Correct |
290 ms |
40236 KB |
Output is correct |
64 |
Correct |
321 ms |
40236 KB |
Output is correct |
65 |
Correct |
307 ms |
40236 KB |
Output is correct |
66 |
Correct |
190 ms |
40236 KB |
Output is correct |
67 |
Correct |
299 ms |
40236 KB |
Output is correct |
68 |
Correct |
332 ms |
40236 KB |
Output is correct |
69 |
Correct |
310 ms |
40236 KB |
Output is correct |
70 |
Correct |
309 ms |
40236 KB |
Output is correct |
71 |
Correct |
284 ms |
40236 KB |
Output is correct |
72 |
Correct |
328 ms |
40236 KB |
Output is correct |
73 |
Correct |
317 ms |
40236 KB |
Output is correct |
74 |
Correct |
319 ms |
40236 KB |
Output is correct |
75 |
Correct |
369 ms |
40236 KB |
Output is correct |
76 |
Correct |
378 ms |
40236 KB |
Output is correct |
77 |
Correct |
324 ms |
40236 KB |
Output is correct |
78 |
Correct |
302 ms |
40236 KB |
Output is correct |
79 |
Correct |
357 ms |
40236 KB |
Output is correct |
80 |
Correct |
301 ms |
40236 KB |
Output is correct |
81 |
Correct |
912 ms |
40236 KB |
Output is correct |
82 |
Correct |
959 ms |
40236 KB |
Output is correct |
83 |
Correct |
944 ms |
40236 KB |
Output is correct |
84 |
Correct |
782 ms |
40236 KB |
Output is correct |
85 |
Correct |
858 ms |
40236 KB |
Output is correct |
86 |
Correct |
1014 ms |
40236 KB |
Output is correct |
87 |
Correct |
821 ms |
40236 KB |
Output is correct |
88 |
Correct |
1053 ms |
40236 KB |
Output is correct |
89 |
Correct |
1199 ms |
40236 KB |
Output is correct |
90 |
Correct |
1081 ms |
40236 KB |
Output is correct |
91 |
Correct |
1078 ms |
40236 KB |
Output is correct |
92 |
Correct |
1087 ms |
40236 KB |
Output is correct |
93 |
Correct |
2056 ms |
40236 KB |
Output is correct |
94 |
Correct |
745 ms |
40236 KB |
Output is correct |
95 |
Correct |
2222 ms |
40236 KB |
Output is correct |
96 |
Correct |
2143 ms |
40236 KB |
Output is correct |
97 |
Correct |
961 ms |
40236 KB |
Output is correct |
98 |
Correct |
854 ms |
40236 KB |
Output is correct |
99 |
Correct |
2253 ms |
40236 KB |
Output is correct |
100 |
Correct |
2936 ms |
40240 KB |
Output is correct |
101 |
Correct |
821 ms |
40240 KB |
Output is correct |
102 |
Correct |
1796 ms |
53304 KB |
Output is correct |
103 |
Correct |
913 ms |
53304 KB |
Output is correct |
104 |
Correct |
2370 ms |
68280 KB |
Output is correct |
105 |
Correct |
604 ms |
68280 KB |
Output is correct |
106 |
Correct |
882 ms |
75708 KB |
Output is correct |
107 |
Correct |
935 ms |
83676 KB |
Output is correct |
108 |
Correct |
876 ms |
91420 KB |
Output is correct |
109 |
Correct |
864 ms |
99200 KB |
Output is correct |
110 |
Correct |
872 ms |
106860 KB |
Output is correct |
111 |
Correct |
852 ms |
114912 KB |
Output is correct |
112 |
Correct |
975 ms |
122392 KB |
Output is correct |
113 |
Correct |
917 ms |
130108 KB |
Output is correct |
114 |
Correct |
955 ms |
137892 KB |
Output is correct |
115 |
Correct |
954 ms |
145948 KB |
Output is correct |
116 |
Correct |
1061 ms |
157104 KB |
Output is correct |