#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mp make_pair
#define pb push_back
#define mt make_tuple
struct circle{ ll x,y,r;int id;circle(){}circle(ll a, ll b, ll c):x(a),y(b),r(c){}};
ll sq(ll x){ return x*x;}
bool sec(circle a, circle b){ return sq(a.x-b.x)+sq(a.y-b.y)<=sq(a.r+b.r);}
bool operator < (circle a, circle b){ return a.r<b.r;}
const int N=300050;
const int mul=2e9+7;
circle a[N],b[N];
int ans[N];
vector<tuple<int,int,int>> all;
int main()
{
int n,i;
scanf("%i",&n);
for(i=1;i<=n;i++) scanf("%lld %lld %lld",&a[i].x,&a[i].y,&a[i].r),a[i].id=i,b[i]=a[i];
sort(a+1,a+1+n,[](circle a, circle b){ return a.r>b.r || a.r==b.r && a.id<b.id;});
for(int j=30;j>=0;j--)
{
int po=1<<j;
for(i=1;i<=n;i++) if(!ans[a[i].id])
{
pair<int,int> pa=mp(floor((double)a[i].x/po),floor((double)a[i].y/po));
all.pb(mt(pa.first,pa.second,a[i].id));
}
sort(all.begin(),all.end());
for(i=1;i<=n;i++) if(!ans[a[i].id] && a[i].r>=(1<<j-1))
{
int x=floor((double)a[i].x/po);
int y=floor((double)a[i].y/po);
for(int l=-2;l<=2;l++)
{
ll p=x+l;
int lb=upper_bound(all.begin(),all.end(),mt(x+l,y-3,mul))-all.begin();
//int rb=upper_bound(all[idx].begin(),all[idx].end(),mp(y+2,mul))-all[idx].begin();
for(int r=lb;r<all.size() && all[r]<=mt(x+l,y+2,mul);r++)
{
int c=get<2>(all[r]);
if(!ans[c] && sec(b[c],a[i])) ans[c]=a[i].id;
}
}
}
}
for(i=1;i<=n;i++) printf("%i%c",ans[i],i==n?'\n':' ');
return 0;
}
Compilation message
circle_selection.cpp: In lambda function:
circle_selection.cpp:21:71: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
sort(a+1,a+1+n,[](circle a, circle b){ return a.r>b.r || a.r==b.r && a.id<b.id;});
~~~~~~~~~^~~~~~~~~~~~
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:31:57: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
for(i=1;i<=n;i++) if(!ans[a[i].id] && a[i].r>=(1<<j-1))
~^~
circle_selection.cpp:40:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int r=lb;r<all.size() && all[r]<=mt(x+l,y+2,mul);r++)
~^~~~~~~~~~~
circle_selection.cpp:37:11: warning: unused variable 'p' [-Wunused-variable]
ll p=x+l;
^
circle_selection.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%i",&n);
~~~~~^~~~~~~~~
circle_selection.cpp:20:80: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for(i=1;i<=n;i++) scanf("%lld %lld %lld",&a[i].x,&a[i].y,&a[i].r),a[i].id=i,b[i]=a[i];
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
# |
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 |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
3 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
3 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
512 KB |
Output is correct |
15 |
Correct |
3 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
512 KB |
Output is correct |
17 |
Correct |
8 ms |
512 KB |
Output is correct |
18 |
Correct |
4 ms |
384 KB |
Output is correct |
19 |
Correct |
10 ms |
896 KB |
Output is correct |
20 |
Correct |
13 ms |
916 KB |
Output is correct |
21 |
Correct |
9 ms |
896 KB |
Output is correct |
22 |
Correct |
75 ms |
2288 KB |
Output is correct |
23 |
Correct |
70 ms |
2296 KB |
Output is correct |
24 |
Correct |
210 ms |
2384 KB |
Output is correct |
25 |
Correct |
279 ms |
2316 KB |
Output is correct |
26 |
Correct |
90 ms |
2288 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1306 ms |
31548 KB |
Output is correct |
2 |
Correct |
1571 ms |
33344 KB |
Output is correct |
3 |
Correct |
1430 ms |
32840 KB |
Output is correct |
4 |
Correct |
741 ms |
26120 KB |
Output is correct |
5 |
Execution timed out |
3059 ms |
117836 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2746 ms |
31532 KB |
Output is correct |
3 |
Execution timed out |
3049 ms |
68524 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3056 ms |
68536 KB |
Time limit exceeded |
2 |
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 |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
3 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
3 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
512 KB |
Output is correct |
15 |
Correct |
3 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
512 KB |
Output is correct |
17 |
Correct |
8 ms |
512 KB |
Output is correct |
18 |
Correct |
4 ms |
384 KB |
Output is correct |
19 |
Correct |
10 ms |
896 KB |
Output is correct |
20 |
Correct |
13 ms |
916 KB |
Output is correct |
21 |
Correct |
9 ms |
896 KB |
Output is correct |
22 |
Correct |
75 ms |
2288 KB |
Output is correct |
23 |
Correct |
70 ms |
2296 KB |
Output is correct |
24 |
Correct |
210 ms |
2384 KB |
Output is correct |
25 |
Correct |
279 ms |
2316 KB |
Output is correct |
26 |
Correct |
90 ms |
2288 KB |
Output is correct |
27 |
Correct |
26 ms |
1468 KB |
Output is correct |
28 |
Correct |
32 ms |
1532 KB |
Output is correct |
29 |
Correct |
30 ms |
1472 KB |
Output is correct |
30 |
Correct |
164 ms |
4220 KB |
Output is correct |
31 |
Correct |
145 ms |
4200 KB |
Output is correct |
32 |
Correct |
146 ms |
4200 KB |
Output is correct |
33 |
Correct |
262 ms |
8972 KB |
Output is correct |
34 |
Correct |
258 ms |
8868 KB |
Output is correct |
35 |
Correct |
505 ms |
12896 KB |
Output is correct |
36 |
Correct |
1758 ms |
31564 KB |
Output is correct |
37 |
Correct |
1690 ms |
31452 KB |
Output is correct |
38 |
Correct |
1608 ms |
31432 KB |
Output is correct |
39 |
Execution timed out |
3045 ms |
56092 KB |
Time limit exceeded |
40 |
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 |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
3 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
3 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
3 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
512 KB |
Output is correct |
15 |
Correct |
3 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
512 KB |
Output is correct |
17 |
Correct |
8 ms |
512 KB |
Output is correct |
18 |
Correct |
4 ms |
384 KB |
Output is correct |
19 |
Correct |
10 ms |
896 KB |
Output is correct |
20 |
Correct |
13 ms |
916 KB |
Output is correct |
21 |
Correct |
9 ms |
896 KB |
Output is correct |
22 |
Correct |
75 ms |
2288 KB |
Output is correct |
23 |
Correct |
70 ms |
2296 KB |
Output is correct |
24 |
Correct |
210 ms |
2384 KB |
Output is correct |
25 |
Correct |
279 ms |
2316 KB |
Output is correct |
26 |
Correct |
90 ms |
2288 KB |
Output is correct |
27 |
Correct |
1306 ms |
31548 KB |
Output is correct |
28 |
Correct |
1571 ms |
33344 KB |
Output is correct |
29 |
Correct |
1430 ms |
32840 KB |
Output is correct |
30 |
Correct |
741 ms |
26120 KB |
Output is correct |
31 |
Execution timed out |
3059 ms |
117836 KB |
Time limit exceeded |
32 |
Halted |
0 ms |
0 KB |
- |