oj.uz

Submission #104245

# Submission time Handle Problem Language Result Execution time Memory
104245 2019-04-04T11:48:26 Z puyu_liao Circle selection (APIO18_circle_selection) C++14
100 / 100
 2198 ms 49504 KB 
#include<bits/stdc++.h>
#include<stdint.h>
using namespace std;
#define IOS {cin.tie(0);ios_base::sync_with_stdio(false);}
#define N 300005
#define int int64_t

inline int hh(int x,int y){
	return x*2000000007 + y;
}

int n;
bitset<N> gg;
unordered_map<int,vector<int> > mp; 
int nb,ans[N],xx[N],yy[N],rr[N];
vector<int> ord;

void build(){
	mp.clear();
	for(int i=0;i<n;i++) if(!gg[i]){
		int t = hh(xx[i]/nb,yy[i]/nb);
		mp[t].push_back(i);
	}
}

bool cov(int i,int j){
	return (xx[i]-xx[j])*(xx[i]-xx[j]) + (yy[i]-yy[j])*(yy[i]-yy[j]) <= (rr[i]+rr[j])*(rr[i]+rr[j]);
}

void qur(int x){
	int bx = xx[x]/nb, by = yy[x]/nb;
	ans[x] = x; gg[x] = 1;
	for(int i=bx-2;i<=bx+2;i++) for(int j=by-2;j<=by+2;j++){
		auto it = mp.find(hh(i,j));
		if(it != mp.end()) for(int k : it->second) if(!gg[k] && cov(k,x)){
			ans[k] = x;
			gg[k] = 1;
		}
	}
}

int32_t main()
{
	IOS;
	cin >> n;
	int mnx,mny; mnx = mny = 1ll<<60;
	ord.resize(n);
	for(int i=0;i<n;i++) {
		cin >> xx[i] >> yy[i] >> rr[i];
		mnx = min(mnx,xx[i]);
		mny = min(mny,yy[i]);
		ord[i] = i;
	}
	for(int i=0;i<n;i++){
		xx[i] = xx[i] - mnx + 1;
		yy[i] = yy[i] - mny + 1;
	}
	stable_sort(ord.begin(),ord.end(),[](int x,int y){return rr[x] > rr[y];});
	nb = 1 << __lg(2*rr[ord[0]]-1); 
	build();
	for(int i : ord) if(!gg[i]){
		while(rr[i] <= (nb>>1)) nb>>=1,build();
		qur(i);
	}
	for(int i=0;i<n;i++) cout << ans[i]+1 << ' ';
   return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 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 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 3 ms 512 KB Output is correct
18 Correct 3 ms 512 KB Output is correct
19 Correct 6 ms 768 KB Output is correct
20 Correct 5 ms 640 KB Output is correct
21 Correct 7 ms 768 KB Output is correct
22 Correct 15 ms 1024 KB Output is correct
23 Correct 12 ms 1024 KB Output is correct
24 Correct 10 ms 1024 KB Output is correct
25 Correct 11 ms 1024 KB Output is correct
26 Correct 12 ms 1024 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 228 ms 18448 KB Output is correct
2 Correct 201 ms 17768 KB Output is correct
3 Correct 266 ms 19036 KB Output is correct
4 Correct 183 ms 18272 KB Output is correct
5 Correct 278 ms 18116 KB Output is correct
6 Correct 950 ms 31148 KB Output is correct
7 Correct 377 ms 23856 KB Output is correct
8 Correct 405 ms 25636 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 476 ms 13652 KB Output is correct
3 Correct 1737 ms 41200 KB Output is correct
4 Correct 1826 ms 41148 KB Output is correct
5 Correct 1947 ms 37056 KB Output is correct
6 Correct 669 ms 22932 KB Output is correct
7 Correct 256 ms 12316 KB Output is correct
8 Correct 42 ms 2872 KB Output is correct
9 Correct 1984 ms 48452 KB Output is correct
10 Correct 1531 ms 44844 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2052 ms 41228 KB Output is correct
2 Correct 1981 ms 48144 KB Output is correct
3 Correct 442 ms 30944 KB Output is correct
4 Correct 1959 ms 48604 KB Output is correct
5 Correct 1833 ms 48740 KB Output is correct
6 Correct 395 ms 27104 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 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 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 3 ms 512 KB Output is correct
18 Correct 3 ms 512 KB Output is correct
19 Correct 6 ms 768 KB Output is correct
20 Correct 5 ms 640 KB Output is correct
21 Correct 7 ms 768 KB Output is correct
22 Correct 15 ms 1024 KB Output is correct
23 Correct 12 ms 1024 KB Output is correct
24 Correct 10 ms 1024 KB Output is correct
25 Correct 11 ms 1024 KB Output is correct
26 Correct 12 ms 1024 KB Output is correct
27 Correct 8 ms 1024 KB Output is correct
28 Correct 8 ms 1024 KB Output is correct
29 Correct 12 ms 1024 KB Output is correct
30 Correct 27 ms 1784 KB Output is correct
31 Correct 25 ms 1664 KB Output is correct
32 Correct 24 ms 1664 KB Output is correct
33 Correct 67 ms 6768 KB Output is correct
34 Correct 66 ms 6768 KB Output is correct
35 Correct 72 ms 5872 KB Output is correct
36 Correct 575 ms 13540 KB Output is correct
37 Correct 558 ms 13676 KB Output is correct
38 Correct 588 ms 13676 KB Output is correct
39 Correct 541 ms 12552 KB Output is correct
40 Correct 580 ms 13540 KB Output is correct
41 Correct 625 ms 13684 KB Output is correct
42 Correct 240 ms 12144 KB Output is correct
43 Correct 580 ms 15980 KB Output is correct
44 Correct 535 ms 15980 KB Output is correct
45 Correct 559 ms 15980 KB Output is correct
46 Correct 566 ms 16112 KB Output is correct
47 Correct 616 ms 16112 KB Output is correct
48 Correct 597 ms 15984 KB Output is correct
49 Correct 550 ms 15996 KB Output is correct
50 Correct 591 ms 15988 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 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 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 3 ms 512 KB Output is correct
18 Correct 3 ms 512 KB Output is correct
19 Correct 6 ms 768 KB Output is correct
20 Correct 5 ms 640 KB Output is correct
21 Correct 7 ms 768 KB Output is correct
22 Correct 15 ms 1024 KB Output is correct
23 Correct 12 ms 1024 KB Output is correct
24 Correct 10 ms 1024 KB Output is correct
25 Correct 11 ms 1024 KB Output is correct
26 Correct 12 ms 1024 KB Output is correct
27 Correct 228 ms 18448 KB Output is correct
28 Correct 201 ms 17768 KB Output is correct
29 Correct 266 ms 19036 KB Output is correct
30 Correct 183 ms 18272 KB Output is correct
31 Correct 278 ms 18116 KB Output is correct
32 Correct 950 ms 31148 KB Output is correct
33 Correct 377 ms 23856 KB Output is correct
34 Correct 405 ms 25636 KB Output is correct
35 Correct 2 ms 384 KB Output is correct
36 Correct 476 ms 13652 KB Output is correct
37 Correct 1737 ms 41200 KB Output is correct
38 Correct 1826 ms 41148 KB Output is correct
39 Correct 1947 ms 37056 KB Output is correct
40 Correct 669 ms 22932 KB Output is correct
41 Correct 256 ms 12316 KB Output is correct
42 Correct 42 ms 2872 KB Output is correct
43 Correct 1984 ms 48452 KB Output is correct
44 Correct 1531 ms 44844 KB Output is correct
45 Correct 2052 ms 41228 KB Output is correct
46 Correct 1981 ms 48144 KB Output is correct
47 Correct 442 ms 30944 KB Output is correct
48 Correct 1959 ms 48604 KB Output is correct
49 Correct 1833 ms 48740 KB Output is correct
50 Correct 395 ms 27104 KB Output is correct
51 Correct 8 ms 1024 KB Output is correct
52 Correct 8 ms 1024 KB Output is correct
53 Correct 12 ms 1024 KB Output is correct
54 Correct 27 ms 1784 KB Output is correct
55 Correct 25 ms 1664 KB Output is correct
56 Correct 24 ms 1664 KB Output is correct
57 Correct 67 ms 6768 KB Output is correct
58 Correct 66 ms 6768 KB Output is correct
59 Correct 72 ms 5872 KB Output is correct
60 Correct 575 ms 13540 KB Output is correct
61 Correct 558 ms 13676 KB Output is correct
62 Correct 588 ms 13676 KB Output is correct
63 Correct 541 ms 12552 KB Output is correct
64 Correct 580 ms 13540 KB Output is correct
65 Correct 625 ms 13684 KB Output is correct
66 Correct 240 ms 12144 KB Output is correct
67 Correct 580 ms 15980 KB Output is correct
68 Correct 535 ms 15980 KB Output is correct
69 Correct 559 ms 15980 KB Output is correct
70 Correct 566 ms 16112 KB Output is correct
71 Correct 616 ms 16112 KB Output is correct
72 Correct 597 ms 15984 KB Output is correct
73 Correct 550 ms 15996 KB Output is correct
74 Correct 591 ms 15988 KB Output is correct
75 Correct 224 ms 26144 KB Output is correct
76 Correct 249 ms 26592 KB Output is correct
77 Correct 248 ms 29616 KB Output is correct
78 Correct 220 ms 29408 KB Output is correct
79 Correct 350 ms 26336 KB Output is correct
80 Correct 250 ms 29308 KB Output is correct
81 Correct 2040 ms 49120 KB Output is correct
82 Correct 1861 ms 48996 KB Output is correct
83 Correct 1826 ms 49164 KB Output is correct
84 Correct 1788 ms 49504 KB Output is correct
85 Correct 1822 ms 49120 KB Output is correct
86 Correct 1825 ms 49144 KB Output is correct
87 Correct 1855 ms 49000 KB Output is correct
88 Correct 2120 ms 41384 KB Output is correct
89 Correct 2198 ms 41364 KB Output is correct
90 Correct 2180 ms 41376 KB Output is correct
91 Correct 2049 ms 41524 KB Output is correct
92 Correct 1926 ms 41464 KB Output is correct
93 Correct 1854 ms 48108 KB Output is correct
94 Correct 1770 ms 48208 KB Output is correct
95 Correct 1859 ms 48100 KB Output is correct
96 Correct 1738 ms 48148 KB Output is correct
97 Correct 1769 ms 48056 KB Output is correct
98 Correct 1012 ms 32008 KB Output is correct
99 Correct 1740 ms 48376 KB Output is correct
100 Correct 1678 ms 48124 KB Output is correct
101 Correct 1701 ms 38624 KB Output is correct
102 Correct 1717 ms 47468 KB Output is correct
103 Correct 1889 ms 46936 KB Output is correct
104 Correct 1935 ms 48052 KB Output is correct
105 Correct 1071 ms 35168 KB Output is correct
106 Correct 1487 ms 47320 KB Output is correct
107 Correct 1531 ms 47312 KB Output is correct
108 Correct 1632 ms 47156 KB Output is correct
109 Correct 1759 ms 47456 KB Output is correct
110 Correct 1565 ms 47348 KB Output is correct
111 Correct 1485 ms 47328 KB Output is correct
112 Correct 1483 ms 47180 KB Output is correct
113 Correct 1429 ms 47220 KB Output is correct
114 Correct 1484 ms 47200 KB Output is correct
115 Correct 1772 ms 47428 KB Output is correct
116 Correct 1635 ms 47436 KB Output is correct