#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
struct circle { int x,y,r,i; };
bool comp(circle a,circle b) {
if (a.r == b.r) return a.i < b.i;
else return a.r > b.r;
}
int x[300000],y[300000],r[300000];
circle c[300000];
LLI sq(LLI n) { return n*n; }
int inter(int a,int b) {
return (sq(x[a]-x[b])+sq(y[a]-y[b])) <= sq(r[a]+r[b]);
}
map<pii,vi> M;
int ans[300000];
int main() {
int i;
int n;
scanf("%d",&n);
for (i = 0; i < n; i++) {
scanf("%d %d %d",&x[i],&y[i],&r[i]);
c[i].x = x[i],c[i].y = y[i],c[i].r = r[i],c[i].i = i;
}
sort(c,c+n,comp);
int j,k,l;
int bs = 1 << 30;
fill(ans,ans+n,-1);
M[mp(0,0)] = vi();
for (i = 0; i < n; i++) M[mp(0,0)].pb(i);
for (i = 0; i < n; i++) {
if (ans[c[i].i] == -1) {
if (c[i].r <= (bs >> 1)) {
while (c[i].r <= (bs >> 1)) bs >>= 1;
M.clear();
for (j = i; j < n; j++) {
if (ans[c[j].i] == -1) {
pii p = mp(c[j].x/bs,c[j].y/bs);
if (!M.count(p)) M[p] = vi();
M[p].pb(c[j].i);
}
}
}
for (j = c[i].x/bs-2; j <= c[i].x/bs+2; j++) {
for (k = c[i].y/bs-2; k <= c[i].y/bs+2; k++) {
vi v = M[mp(j,k)];
M[mp(j,k)].clear();
for (l = 0; l < v.size(); l++) {
if (inter(c[i].i,v[l])) ans[v[l]] = c[i].i;
else M[mp(j,k)].pb(v[l]);
}
}
}
}
}
for (i = 0; i < n; i++) printf("%d ",ans[i]+1);
return 0;
}
Compilation message
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:103:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (l = 0; l < v.size(); l++) {
~~^~~~~~~~~~
circle_selection.cpp:74:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&n);
~~~~~^~~~~~~~~
circle_selection.cpp:76:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d %d",&x[i],&y[i],&r[i]);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
376 KB |
Output is correct |
3 |
Correct |
3 ms |
592 KB |
Output is correct |
4 |
Correct |
3 ms |
704 KB |
Output is correct |
5 |
Correct |
3 ms |
704 KB |
Output is correct |
6 |
Correct |
3 ms |
780 KB |
Output is correct |
7 |
Correct |
3 ms |
780 KB |
Output is correct |
8 |
Correct |
2 ms |
780 KB |
Output is correct |
9 |
Correct |
3 ms |
780 KB |
Output is correct |
10 |
Correct |
3 ms |
780 KB |
Output is correct |
11 |
Correct |
5 ms |
780 KB |
Output is correct |
12 |
Correct |
4 ms |
780 KB |
Output is correct |
13 |
Correct |
4 ms |
848 KB |
Output is correct |
14 |
Correct |
4 ms |
852 KB |
Output is correct |
15 |
Correct |
4 ms |
852 KB |
Output is correct |
16 |
Correct |
5 ms |
852 KB |
Output is correct |
17 |
Correct |
5 ms |
852 KB |
Output is correct |
18 |
Correct |
5 ms |
852 KB |
Output is correct |
19 |
Correct |
9 ms |
1212 KB |
Output is correct |
20 |
Correct |
10 ms |
1352 KB |
Output is correct |
21 |
Correct |
11 ms |
1520 KB |
Output is correct |
22 |
Correct |
103 ms |
6028 KB |
Output is correct |
23 |
Correct |
101 ms |
6432 KB |
Output is correct |
24 |
Correct |
92 ms |
6432 KB |
Output is correct |
25 |
Correct |
87 ms |
6432 KB |
Output is correct |
26 |
Correct |
94 ms |
6720 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
308 ms |
21344 KB |
Output is correct |
2 |
Correct |
240 ms |
29804 KB |
Output is correct |
3 |
Correct |
229 ms |
36208 KB |
Output is correct |
4 |
Correct |
220 ms |
40636 KB |
Output is correct |
5 |
Correct |
432 ms |
48616 KB |
Output is correct |
6 |
Correct |
2443 ms |
101016 KB |
Output is correct |
7 |
Correct |
683 ms |
101016 KB |
Output is correct |
8 |
Correct |
828 ms |
101016 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
101016 KB |
Output is correct |
2 |
Correct |
2404 ms |
138068 KB |
Output is correct |
3 |
Execution timed out |
3073 ms |
296068 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3051 ms |
331244 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
376 KB |
Output is correct |
3 |
Correct |
3 ms |
592 KB |
Output is correct |
4 |
Correct |
3 ms |
704 KB |
Output is correct |
5 |
Correct |
3 ms |
704 KB |
Output is correct |
6 |
Correct |
3 ms |
780 KB |
Output is correct |
7 |
Correct |
3 ms |
780 KB |
Output is correct |
8 |
Correct |
2 ms |
780 KB |
Output is correct |
9 |
Correct |
3 ms |
780 KB |
Output is correct |
10 |
Correct |
3 ms |
780 KB |
Output is correct |
11 |
Correct |
5 ms |
780 KB |
Output is correct |
12 |
Correct |
4 ms |
780 KB |
Output is correct |
13 |
Correct |
4 ms |
848 KB |
Output is correct |
14 |
Correct |
4 ms |
852 KB |
Output is correct |
15 |
Correct |
4 ms |
852 KB |
Output is correct |
16 |
Correct |
5 ms |
852 KB |
Output is correct |
17 |
Correct |
5 ms |
852 KB |
Output is correct |
18 |
Correct |
5 ms |
852 KB |
Output is correct |
19 |
Correct |
9 ms |
1212 KB |
Output is correct |
20 |
Correct |
10 ms |
1352 KB |
Output is correct |
21 |
Correct |
11 ms |
1520 KB |
Output is correct |
22 |
Correct |
103 ms |
6028 KB |
Output is correct |
23 |
Correct |
101 ms |
6432 KB |
Output is correct |
24 |
Correct |
92 ms |
6432 KB |
Output is correct |
25 |
Correct |
87 ms |
6432 KB |
Output is correct |
26 |
Correct |
94 ms |
6720 KB |
Output is correct |
27 |
Correct |
15 ms |
331244 KB |
Output is correct |
28 |
Correct |
11 ms |
331244 KB |
Output is correct |
29 |
Correct |
14 ms |
331244 KB |
Output is correct |
30 |
Correct |
216 ms |
331244 KB |
Output is correct |
31 |
Correct |
221 ms |
331244 KB |
Output is correct |
32 |
Correct |
160 ms |
331244 KB |
Output is correct |
33 |
Correct |
85 ms |
331244 KB |
Output is correct |
34 |
Correct |
89 ms |
331244 KB |
Output is correct |
35 |
Correct |
91 ms |
331244 KB |
Output is correct |
36 |
Correct |
2426 ms |
331244 KB |
Output is correct |
37 |
Correct |
2256 ms |
331244 KB |
Output is correct |
38 |
Correct |
2424 ms |
331244 KB |
Output is correct |
39 |
Correct |
902 ms |
331244 KB |
Output is correct |
40 |
Correct |
828 ms |
331244 KB |
Output is correct |
41 |
Correct |
944 ms |
331244 KB |
Output is correct |
42 |
Correct |
471 ms |
331244 KB |
Output is correct |
43 |
Correct |
1502 ms |
331244 KB |
Output is correct |
44 |
Correct |
1648 ms |
331244 KB |
Output is correct |
45 |
Correct |
1744 ms |
331244 KB |
Output is correct |
46 |
Correct |
1631 ms |
331244 KB |
Output is correct |
47 |
Correct |
1607 ms |
331244 KB |
Output is correct |
48 |
Correct |
1539 ms |
331244 KB |
Output is correct |
49 |
Correct |
1617 ms |
331244 KB |
Output is correct |
50 |
Correct |
1742 ms |
331244 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
376 KB |
Output is correct |
3 |
Correct |
3 ms |
592 KB |
Output is correct |
4 |
Correct |
3 ms |
704 KB |
Output is correct |
5 |
Correct |
3 ms |
704 KB |
Output is correct |
6 |
Correct |
3 ms |
780 KB |
Output is correct |
7 |
Correct |
3 ms |
780 KB |
Output is correct |
8 |
Correct |
2 ms |
780 KB |
Output is correct |
9 |
Correct |
3 ms |
780 KB |
Output is correct |
10 |
Correct |
3 ms |
780 KB |
Output is correct |
11 |
Correct |
5 ms |
780 KB |
Output is correct |
12 |
Correct |
4 ms |
780 KB |
Output is correct |
13 |
Correct |
4 ms |
848 KB |
Output is correct |
14 |
Correct |
4 ms |
852 KB |
Output is correct |
15 |
Correct |
4 ms |
852 KB |
Output is correct |
16 |
Correct |
5 ms |
852 KB |
Output is correct |
17 |
Correct |
5 ms |
852 KB |
Output is correct |
18 |
Correct |
5 ms |
852 KB |
Output is correct |
19 |
Correct |
9 ms |
1212 KB |
Output is correct |
20 |
Correct |
10 ms |
1352 KB |
Output is correct |
21 |
Correct |
11 ms |
1520 KB |
Output is correct |
22 |
Correct |
103 ms |
6028 KB |
Output is correct |
23 |
Correct |
101 ms |
6432 KB |
Output is correct |
24 |
Correct |
92 ms |
6432 KB |
Output is correct |
25 |
Correct |
87 ms |
6432 KB |
Output is correct |
26 |
Correct |
94 ms |
6720 KB |
Output is correct |
27 |
Correct |
308 ms |
21344 KB |
Output is correct |
28 |
Correct |
240 ms |
29804 KB |
Output is correct |
29 |
Correct |
229 ms |
36208 KB |
Output is correct |
30 |
Correct |
220 ms |
40636 KB |
Output is correct |
31 |
Correct |
432 ms |
48616 KB |
Output is correct |
32 |
Correct |
2443 ms |
101016 KB |
Output is correct |
33 |
Correct |
683 ms |
101016 KB |
Output is correct |
34 |
Correct |
828 ms |
101016 KB |
Output is correct |
35 |
Correct |
3 ms |
101016 KB |
Output is correct |
36 |
Correct |
2404 ms |
138068 KB |
Output is correct |
37 |
Execution timed out |
3073 ms |
296068 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |